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Patrick M. Hartigan
Professor
Professor of Physics and Astronomy
 
e-mail:hartigan@sparky.rice.edu
 
  • Ph.D. 1987, Planetary Science, University of Arizona
  • B.S. 1981, Physics, University of Minnesota
  • B.S. 1981, Astrophysics, University of Minnesota
 
Primary Department
   Department of Physics and Astronomy
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Department Affiliations
 
  • Department of Physics and Astronomy
  •  
    Websites
     Hartigan Course Websites
     Hartigan Home Page
     Hartigan Research Summary Page
     Hartigan Course Websites
     Hartigan Home Page
     Hartigan Research Summary Page
     
    Research Areas
     Star Formation, Stellar Jets, Laboratory Astrophysics, Telescopes, Astronomy, Nebulae, Objects in the Night Sky
     

    Hartigan Research Report, FY 2015/2016

     

    Research Report for 2015/2016



     Professor Patrick Hartigan continued his research into the formation of stars, stellar jets, laboratory astrophysics, emission nebulae, and the physics of shock waves in 2015. Non-technical summaries of main research papers and a full list of publications are available on the Web. This research page, with active links, is mirrored at http://sparky.rice.edu/~hartigan.


    Extrasolar Planets and Star Spots: Led by Rice faculty member Chris Johns-Krull, Hartigan and a team of scientists and students from Rice and Lowell Observatory continued a search for radial velocity perturbations that might be caused by planets around young stars. Sensitive searches for older planets have turned up many such objects, but finding them around young stars is difficult because starspots, which are common when stars are young, often mimic the radial velocity signatures of planets. Our most recent data show an intriguing signal in the infrared velocity curves of one object. There is clearly something going on within a few stellar radii of the star, and we are exploring the different ways we might explain the data. The project makes use of data from telescopes at Kitt Peak National Observatory, Mauna Kea, and McDonald Observatory.


    Laboratory Experiments: Hartigan continued a collaboration with scientists at Los Alamos, Rochester, Imperial College, and AWE to study shock waves in collimated jets using high-powered lasers. Funded by the DOE, one project uses the Omega laser to launch jets and observe what happens when strong shock waves intersect. A separate project explores what happens to shock waves in a plasma where magnetic field strengths are large. We completed the intersecting shock work at Omega last year, and have submitted a paper summarizing the several years of work to the Astrophysical Journal. Part of Rice graduate student Andy Liao's MS thesis described numerical work related to a new experimental design of a planetary magnetosphere. We obtained the first data with this platform last year, and have also initiated a new series of experiments in collaboration with C. Kuranz at the University of Michigan to study magnetized accretion columns. As part of these efforts we have been characterizing the parameter space of density and velocity to determine where experiments will see the onset of shock waves, and where magnetic fields have a dynamical effect. We will be exploring new plasma physics codes that incorporate multiple fluids in the coming year as a tool to aid in the experimental designs.


    Massive Star Forming Regions: Hartigan completed a large work related to molecular hydrogen emission in the Carina star-formation region in collaboration with Megan Reiter and Nathan Smith at Arizona, and John Bally in Colorado. The survey, just published in the Astronomical Journal (2015, AJ 149, 101), provides a broad overview of the photodissociation regions throughout the entire nebula. Additional data exists on the CygOB2 and IC 1396 region. and undergraduate Scott Carlsten is analyzing those to determine the degree to which the observed spatial offsets between the optical and infrared emission depend upon the ambient ultraviolet irradiation field. This work, combined with numerical models, will comprise Scott's undergraduate senior thesis.


    ALMA Studies of Photodissociation Regions: With Rice assistant professor Andrea Isella, Hartigan is obtaining deep maps of a bright region of photodissociation in the Carina Nebula at millimeter and sub-mm wavelengths with the Atacama Large Millimeter Array in Chile. The array has recently been configured to operate at high enough frequencies to observe emission from the 600-micron line of C I. Together with existing H2 observations and new ALMA CO and CS maps of the region, we will have the first high-resolution maps that trace gas from where it is molecular deep within the dark cloud, to its atomic stage, to where it becomes ionized at the dissociation front. This process occurs in all regions of massive star formation, and we will be able to observe it in exquisite detail once the data arrive later this spring.


    Numerical Simulations of Jets and Shock Fronts: Hartigan and ex-Rice undergraduate Anna Wright identified a means to measure magnetic fields in shock waves by only using observed emission line ratios and a resolved cooling distance. This work is the culmination of several years of effort, and was published this year (2015, Astrophysical Journal 811, 12). Motivated by the results, we have obtained observing time on the adaptive optics system with the 4-m telescope SOAR in the southern hemisphere. The observations should commence sometime later this year.


    Hartigan has also been collaborating with professor A. Frank and University of Rochester graduate student Eddie Hansen to develop models of magnetohydrodynamic flows of pulsed supersonic jets, and to investigate the intersection surfaces of overlapping bow shocks. Two refereed papers resulted from this work in 2015, one published in the Astrophysical Journal (2015, ApJ 800, 41), another in High Energy Density Physics (2015, HEDP 17, 135). Another paper that compares the simulation results directly with observations from the Hubble Space Telescope is nearing completion, and we will also be working on another paper that compares non-LTE emission line cooling routines in 3-D codes with those predicted from steady-state 1-D codes.


    Campus Observatory Activities: It was a busy year at the campus observatory, with two large events that both garnered a great deal of public interest and press coverage. In late June, the planets Jupiter and Venus were very close in the evening sky and made for a beautiful sight for several weeks. We opened the observatory on the night of closest approach, and once the skies cleared one of the visitors was able to obtain a series of photos of the pair as they set over the Houston skyline. Hartigan later connected these into a time lapse movie, and also created a popular website to describe the event, and a more detailed description that sets the conjunctions into a wider historical perspective.


    The second major event was the total lunar eclipse in late September, notable because it occurred near the time of closest approach of the Moon to the Earth (the press calls this a `supermoon'. I learned that the opposite of it is a `mini-moon', ha). There is not much of an effect from the Moon being close to the Earth, but it was a nice long eclipse at a convenient time of the evening. Unfortunately it was also cloudy... But attendees still enjoyed a visit to the dome and hopefully got something out the public lecture. As part of this event, Hartigan put together a summary of all the lunar eclipses that will be visible from the Houston area out to the year 2060.


    The Rice University Campus Observatory (RUCO), dedicated in 2002, moved to the roof of Brockman, the new physics building at Rice. The campus telescope continues to be the workhorse for our undergraduate major and nonmajor courses. Instrumentation includes both a spectrograph and a CCD imager for use by students as part of their undergraduate training. Details about current observatory schedules can be found on the observatory website.



     
    Teaching Areas
     undergraduate and graduate astrophysics
     
    Selected Publications
     Abstracts
     

    Hartigan, P., and Jones, S. 2014, Time-Series Position-Velocity Diagrams of the Jet and Low-Velocity Components in HH 444, BAAS 223 34523

     
     

    Wright, A., and Hartigan, P. 2014, Inferring Magnetic Fields in Low-Velocity Radiative Shocks, BAAS 223, 34519

     
     

    Cauley, P. Hartigan, P., and Johns-Krull, C. 2013, Unveiling and Dereddening Classical T Tauri Stars Using Simultaneous UV and Optical Spectra, BAAS 221, 25621

     
     

    Hansen E., Frank, A., and Hartigan, P. 2013, Emission from MHD Simulations of YSO Jets using AstroBEAR2.0, Protostars and Planets VI 1K058

     
     

    Hartigan, P. 2013, "NEWFIRM Observations of PDR Boundaries in Massive Star Formation Regions: The Pillars and Walls of Carina", BAAS 221, 25119

     
     

    Crockett, C., Mahmud, N., Prato, L., Johns-Krull, C., Hartigan, P., Jaffe, D., and Beichman, C., 2011, Searching For The Youngest Planets With CSHELL, BAAS 217 25313

     
     

    Mahmud, N., Crockett, C., Johns-Krull, C., Prato, L., Hartigan, P., Jaffe, D., and Beichman, C., 2011, Brown Dwarfs and Giant Planets Around Young Stars, BAAS 217 25314

     
     

    Crockett, C., Mahmud, N., Prato, L., Johns-Krull, C., Jaffe, D. and Hartigan, P. 2010, Detection of the Youngest Known Exoplanet, BAAS 215 42102

     
     

    Scowen, P. et al. The HORUS Observatory - a Next Generation Mission to Study Planetary, Stellar and Galactic Formation, BAAS 215 48106

     
     

    Crockett et al. 2009, Radial Velocity Survey of T Tauri Stars in Taurus-Auriga, BAAS 213 40201

     
     

    Hartigan, P. "Astronomical Observations and Laboratory Analogs of Shock Waves in Supersonic Collimated Jets From Young Stars." BAAS, 212 (2008) : 6604.

     
     

    Rosen, P. A.; Foster, J. M.; Wilde, B. H.; Hartigan, P.; Blue, B. E.; Hansen, J. F.; Sorce, C.; Williams, R. J. R.; Coker, R.; Frank, A. "Laboratory experiments to study supersonic astrophysical flows interacting with clumpy environments." Astrophysics and Space Science, 190 (2008) In Press

     
     

    Cunningham et al "Early results from the Fabry-Pérot mode of the Colorado Near Infrared Camera (C-NIC)." AAS, 205 (2004) : 4909.

     
     

    Hearty et al "Near Infrared Camera Comissioning for ARC 3.5M Telescope." AAS, 205 (2004) : 4911.

     
     

    Hearty et al "Near-infrared camera and Fabry-Perot spectrometer (NIC-FPS)." SPIE, 5492 (2004) : 1623.

     
     

    Scowen et al "A Systematic Survey of Star Formation with the ORION MIDEX Mission." AAS (2004) : 10905.

     
     Refereed articles
     

    Hansen, E., Frank, A., and Hartigan, P. "MHD Effects on Pulsed YSO Jets. I. 2.5-D Simulations." Astrophysical Journal, 800 (2015) : 41.

     
     

    Hansen, E., Frank, A., and Hartigan, P. "Numerical Simulations of Mach Stem Formation via Intersecting Bow Shocks." High Energy Density Physics, 17 (2015) : 38.

     
     

    Hartigan, P. and Wright, A. "A New Diagnostic of Magnetic Field Strengths in Radiatively-Cooled Shocks." Astrophysical Journal, 811 (2015) : 12.

     
     

    Hartigan, P., Reiter, M., Smith, N., and Bally, J. " A Survey of Irradiated Pillars, Globules, and Jets in the Carina Nebula." Astronomical Journal, 149 (2015) : 101.

     
     

    Liao, A., Li, S. Hartigan, P., Graham, P., Fiksel, G., Frank, A., Foster, J., and Kuranz, C. "Numerical Simulations of an Experimental Analogue of a Planetary Magnetosphere." High Energy Density Physics, 17 (2015) : 38.

     
     

    Suzuki-Vidal, F., Lebedev, S., Ciardi, A., Pickworth, L.A., Rodriguez, R., Gil, J.M., Espinosa, G., Hartigan, P., Swadling, G.F., and Skidmore, J. "Bow Shock Fragmentation Driven by a Thermal Instability in Laboratory Astrophysics Experiments." Astrophysical Journal, 815 (2015) : 96.

     
     

    Bradshaw, S., and Hartigan, P. "On Sunspot and Starspot Lifetimes." Astrophysical Journal, 795 (2014) : 79.

     
     

    Huarte-Espinosa, M., Frank, A., Blackman, E., Ciardi, A., Hartigan, P., Lebedev, S., and Chittenden, J. "Comparing Poynting flux dominated magnetic tower jets with kinetic-energy dominated jets." High Energy Density Physics, 9 (2013) : 264.

     
     

    Yirak, K., Foster, J., Hartigan, P., Wilde, B., Douglas, M., Paguio, R., Blue, B., Martinez, D., Farley, D., Rosen, P., and Frank, A. "Mach stem hysteresis: Experiments addressing a novel explanation of clumpy astrophysical jet emission." High Energy Density Physics, 9 (2013) : 251.

     
     

    Crockett, C., Mahmud, N., Prato, L., Johns-Krull, C., Jaffe, D., Hartigan, P., and Beichman, C. "A Search for Giant Planet Companions to T Tauri Stars." Astrophysical Journal, 761 (2012) : 164.

     
     

    Hartigan, P., Palmer, J., and Cleeves, L. I. "Irradiated Interfaces in the Ara OB1, Carina, Eagle, and Cygnus OB2 Massive Star Forming Regions." High Energy Density Physics, 8 (2012) : 313.

     
     

    Huarte-Espinosa, M., Frank, A., Blackman, E., Ciardi, A., Hartigan, P., Lebedev, S. V., and Chittenden, J. P. "On the Structure and Stability of Magnetic Tower Jets." Astrophysical Journal, 757 (2012) : 66.

     
     

    Hartigan, P., et al. "Fluid Dynamics of Stellar Jets in Real Time: Third-Epoch HST Images of HH 1, HH 34 and HH 47." Astrophysical Journal, 736 (2011) : 29.

     
     

    Mahmud, N., Crockett, C., Johns-Krull, C., Prato, L., Hartigan, P., Jaffe, D., and Beichman, C. "Starspot-induced Optical and Infrared Velocity Variability in T Tauri Star Hubble 4." Astrophysical Journal, 736 (2011) : 123.

     
     

    Carver, R., Cunningham, A., Frank, A., Hartigan, P, Coker, R., Wilde, B., Foster, J., and Rosen, P. "Laboratory Astrophysics and Non-ideal Equations of State: The Next Challenges for Astrophysical MHD Simulations." High Energy Density Physics, 6 (2010) : 381.

     
     

    Foster, J.M., Rosen, P.A., Wilde, B.H., Hartigan, P., and Perry, T.S. "Mach Reflection in a Warm Dense Plasma." Physics of Plasmas, 17 (2010) : 112704.

     
     

    Bellan et al. 2009, "Astrophysical Jets: Observations, Numerical Simulations and Laboratory Experiments" Phys. of Plasmas 16, 041005

     
     

    Hartigan, P., & Hillenbrand, L. 2009, "Adaptive Optics Echelle Spectroscopy of [Fe II] 1.644 um in the RW Aur Jet: A Narrow Slice Down the Axis of the Flow", Astrophysical Journal 705, 1388

     
     

    Hartigan, P. et al. 2009, Laboratory Experiments, Numerical Simulations, and Astronomical Observations of Deflected Supersonic Jets: Application to HH 110, Astrophysical Journal 705, 1073

     
     

    Rosen et al., 2009, "Laboratory experiments to study supersonic astrophysical flows interacting with clumpy environments", Astrophys. & Space Sci. 322, 101

     
     

    Huerta, M., Johns-Krull, C., Prato, L, Hartigan, P., and Jaffe, D. "Star Spot Induced Radial Velocity Variability in Lk Ca 19." Astrophysical Journal, 678 (2008) : 472-482.

     
     

    Prato, L.; Huerta, M.; Johns-Krull, C. M.; Mahmud, N.; Jaffe, D. T.; Hartigan, P. "A Young-Planet Search in Visible and Infrared Light: DN Tauri, V836 Tauri, and V827 Tauri." Astrophysical Journal, 687 (2008) : L103-L106.

     
     

    Hartigan, P., Frank, A., Varniere, P. and Blackman, E. "Magnetic Fields in Stellar Jets." Astrophysical Journal, 661 (2007) : 910-918.

     
     

    Hartigan, P., and Morse, J. "Collimation, Proper-Motions, and Physical Conditions in the HH 30 Jet from Hubble Space Telescope Slitless Spectroscopy." Astrophysical Journal, 660 (2007) : 426-440.

     
     

    Smith, N., and Hartigan, P. "Infrared [Fe II] Emission from P Cygni's Nebula: Atomic Data, Mass, Kinematics, and the 1600 AD Outburst." Astrophysical Journal, 638 (2006) : 1045.

     
     

    Hartigan, P. "Laboratory Experiments of Stellar Jets from the Perspective of an Observer." Astrophysics and Space Science, 298 (2005) : 99-105.

     
     

    Hartigan, P., Heathcote, S., Morse, J., Reipurth, B., & Bally, J. "Proper Motions of the HH 47 Jet Observed with the Hubble Space Telescope." Astronomical Journal, 130 (2005) : 2197-2205.

     
     

    Hartigan, P., Raymond, J., & Pierson, R. "Infrared Emission Lines of [Fe II] as Diagnostics of Shocked Gas in Stellar Jets." Astrophysical Journal, 614 (2004) : L69-73.

     
     

    Huerta, M., Hartigan, P., and White, R. "Forbidden Line Emission in the Spectroscopic Binary T Tauri Stars DQ Tau and UZ Tau-E Monitored Over an Orbital Period." Astronomical Journal, 129 (2005) : 985-989.

     
     

    Doi, T., O'Dell, C.R. and Hartigan, P. "Internal Velocities in the Orion Nebula: Large Radial Velocity Features." Astronomical Journal, 127 (2004) : 3456-3478.

     
     

    Hartigan, P., Edwards, S., and Pierson, R. "Going Slitless: Images of Forbidden-Line Emission Regions of Classical T Tauri Stars Observed with the Hubble Space Telescope." Astrophysical Journal, 609 (2004) : 261-276.

     
     

    Hartigan, P., Scott Kenyon "A Spectroscopic Survey of Subarcsecond Binaries in the Taurus-Auriga Dark Cloud with the Hubble Space Telescope." Astrophysical Journal, 583 (2003) : 334-357.

     
     

    Hartigan, P., J. Morse, B. Reipurth, S. Heathcote, J. Bally "Proper Motions in the HH 111 Jet Observed With the Hubble Space Telescope." Astrophysical Journal, 559 (2001) : L157-L161.

     
     

    J. Bally, S. Heathcote, B. Reipurth, J. Morse, Hartigan, P., R. Schwartz "Hubble Space Telescope Observations of Proper Motions in Herbig-Haro Objects HH1 and 2." Astronomical Journal, 123 (2002) : 2627-2657.

     
     

    P. Ghavamian, J. Raymond, R.C. Smith, Hartigan, P. "Balmer-Dominated Spectra of Nonradiative Shocks in the RCW 86 and Tycho Supernova Remnants." Astrophysical Journal, 547 (2001) : 995-1009.

     
     

    Takao Doi, C.R. O'Dell, Hartigan, P. "Internal Velocities in the Orion Nebula: Large Proper-Motion Features." Astronomical Journal, 124 (2002) : 445-463.

     
     

    Bally, Heathcote, Reipurth, Morse, Hartigan, Schwartz and Hester "Hubble Space Telescope Observations of the Proper Motions in Herbig-Haro Objects 1 and 2." Astronomical Journal (2001)

     
     

    Ghavamian, Raymond, Smith, and Hartigan "Balmer Dominated Spectra of Nonradiative Shocks in the Cygnus Loop, RCW 86 and Tycho Supernovae Remnants." Astrophysical Journal, 547 (2001) : 995.

     
     

    Hartigan, Morse, Reipurth, Heathcote and Bally "Proper Motions of the HH 111 Jet Observed with the Hubble Space Telescope." Astrophysical Journal, 559 (2001) : L157.

     
     

    Reipurth, Heathcote, Morse, Hartigan and Bally "Hubble Space Telescope Images of the HH 34 Jet and Bow Shock: Structure and Proper Motions." Astronomical Journal (2001)

     
     

    Ghavamian, P., Hartigan, P., and Raymond, J. "Using Balmer Line Shapes to Diagnose Physical Conditions in Collisionless Shock Waves." Astrophysical Journal Supplement, 127 (2000) : 323.

     
     

    Ghavamian, P., Raymond, J., Hartigan, P., & Blair, W. "Evidence for Shock Precursors in Tycho's Supernova Remnant." Astrophysical Journal, 535 (2000) : 266.

     
     

    Hartigan, P., Morse, J., Palunas, P., Bally, J., & Devine, D. "Kinematics of Herbig-Haro Objects in the Protostellar Outflow L 1551 as Mapped by Fabry-Perot Spectroscopy." Astronomical Journal, 119 (2000) : 1872.

     
     

    Hartigan, P., Morse, J., and Bally, J. "Optical and Infrared Images and Spectroscopy of the HH 168 Bubble in Cepheus A." Astronomical Journal, 120 (2000) : 1456.

     
     

    Hartigan, P. "He II Line Emission as a Tracer of Nonradiative Preionized Shocks: Application to Winds and Circumstellar Disks in the Orion Nebula." Astrophysical Journal, 526 (1999) : 274.

     
     

    Hartigan, P., Morse, J., Tumlinson, J., Raymond, J., & Heathcote, S. "Hubble Space Telescope FOS Optical and Ultraviolet Spectroscopy of the Bow Shock HH 47A." Astrophysical Journal, 512 (1999) : 901.

     
     

    Ghavamian, P., & Hartigan, P. "Free-Free Radiation from Dense Interstellar Shock Waves." Astrophysical Journal, 501 (1998) : 687.

     
     

    O'Dell, C.R., Hartigan, P., Bally, J., & Morse, J. "High Velocity Features in the Orion Nebula." Astronomical Journal, 114 (1997) : 2016.

     
     

    O'Dell, C.R., Hartigan, P., Lane, W.M., Wong, S.K., Burton, M.G., Raymond, J., & Axon, D.J. "Herbig-Haro Objects in the Orion Nebula." Astronomical Journal, 114 (1997) : 730.

     
     

    Raymond, J., Blair, W., Long, K., Vancura, O., Edgar, R., Morse, J., Hartigan, P., and Sanders, W. "The Ultraviolet Spectrum of a Face-On Shock Wave in the Vela Supernova Remnant." Astrophysical Journal, 482 (1997) : 881.

     
     

    Reipurth, B., Hartigan, P., Heathcote, S., Morse, J., & Bally, J. "Hubble Space Telescope Images of the HH 111 Jet." Astronomical Journal, 114 (1997) : 757.

     
     

    Hamuy, M., Hartigan, P., et al "BVRI Lightcurves for 29 Type Ia Supernovae." Astronomical Journal, 112 (1996) : 2408.

     
     

    Hartigan, P., Carpenter, J., Dougados, C., and Skrutskie, M. "Jet Bow Shocks and Clumpy Shells of H_2 Emission in the Young Stellar Outflow Cepheus A." Astronomical Journal, 111 (1996) : 1278.

     
     

    Heathcote, S., Morse, J., Hartigan, P., Reipurth, B., Schwartz, R.D., Bally, J., & Stone, J. "Hubble Space Telescope Observations of the HH47 Jet: Narrow Band Images." Astronomical Journal, 112 (1996) : 1141.

     
     

    Curiel, S., Raymond, J., Wolfire, M., Hartigan, P., Morse, J., Schwartz, R., and Nisenson, P. "Molecular H2 Emission in HH 47A: HST GHRS and FOC Observations." Astrophysical Journal, 453 (1995) : 322.

     
     

    Edwards, S., Hartigan, P., Ghandour, L. and Andrulis, C. "Spectroscopic Evidence for Magnetospheric Accretion in Classical T~Tauri Stars." Astronomical Journal, 108 (1994) : 1056.

     
     

    Hamuy, M., et al "SN 1992K: A Twin to the Subluminous Type Ia SN 1991bg." Astronomical Journal, 108 (1994) : 2226.

     
     

    Hartigan, P., Morse, J., and Raymond, J. "Mass Loss Rates, Ionization Fractions, Shock Velocities and Magnetic Fields of Stellar Jets." Astrophysical Journal, 436 (1994) : 125.

     
     

    Hartigan, P., Strom, K., and Strom, S. "Are Wide Pre-Main Sequence Binaries Coeval?." Astrophysical Journal, 427 (1994) : 961.

     
     

    Hughes, J., Hartigan, P., Krautter, J., and Keleman, J. "The Stellar Population of the Lupus Dark Cloud." Astronomical Journal, 108 (1994) : 1071.

     
     

    Morse, J., Hartigan, P., Heathcote, S., Raymond, J., and Cecil, G. "Fabry-Perot Observations and New Models of the HH 47A and HH47D Bow Shocks." Astrophysical Journal, 425 (1994) : 738.

     
     

    Raymond, J., Morse, J., Hartigan, P., Curiel, S., and Heathcote, S "Entrainment by the Jet in HH 47." Astrophysical Journal, 434 (1994) : 232.

     
     Editor of books
     

    Hartigan, P. "High Energy Density Laboratory Astrophysics IX." Elsevier (2014)

     
     Book chapters
     

    Frank, A., Ray, T., Cabrit, S., Hartigan, P., Arce, H., Bacciotti, F., Bally, J., Benisty, M., Eisloffel, J., Gudel, M., Lebedev, S., Nisini, B. & Raga, A.   2014, in Protostars and Planets VI, " Jets and Outflows From Star to Cloud: Observations Confront Theory" 451

     
     

    Frank, A. "At Play in the Cosmos ." At Play in the Cosmos (2015) In Progress

     
     

    Hartigan, P. 2009, Measurements of Magnetic Fields in Stellar Jets, in Protostellar Jets in Context, K. Tsinganos, T. Ray & M. Stute eds., (Berlin:Springer-Verlag), 317

     
     

    Hartigan, P. "Measurement of Physical Conditions in Stellar Jets." Lecture Notes in Physics, 742 (2008) : 15-42.

     
     Refereed conference papers
     

    Coker, R., et al. "Numerical Simulations and Astrophysical Applications of Laboratory Jets at Omega." Astrophysics and Space Science, 307 (2007) : 57-62.

     
     

    Hartigan, P. "An Introduction to Observations Relevant to Astrophysical Jets and Nebulae." Astrophysics and Space Science, 307 (2007) : 3-6.

     
     

    Hartigan, P. "Shock Waves in Outflows From Young Stars." Astrophysics and Space Science, 287 (2003) : 111-122.

     
     

    Hartigan, P. "Proper Motions of Stellar Jets as Observed With HST: The Movies." Rev. Mex. Astr. Ap. Serie de Conferencias, 15 (2003) : 112-116.

     
     

    Hartigan, P, Bally, J., Reipurth, B., & Morse, J. "Shock Structures and Momentum Transfer in Stellar Jets." Protostars and Planets IV (2000) : 841.

     
     

    Buckalew, B., Dufour, R., Hartigan, P., Ghavamian, P., Walter, D., Hester, J., and Scowen, P. "HST-STIS Spectroscopy of the Bubble Nebula NGC 7635." IAU Symposium 193 (1999) : 336.

     
     

    Ghavamian, P., and Hartigan, P. "Free-free Radiation from Dense Interstellar Shock Waves." Rev. Mex. Astr. Ap. Serie de Conf., 7 (1998) : 143.

     
     

    Tumlinson, J., Hartigan, P., Morse, J., and Raymond, J. "Hst/FOS Spectroscopy of HH47a: Shock Velocity, Magnetic Fields and Secondary Shock Structure." Rev. Mex. Astr. Ap. Serie de Conf., 7 (1998) : 137.

     
     

    Hartigan, P. "Stellar Jets and Star Formation With a 6.5-M Telescope." Rev. Mex. Astr. Ap., Serie de Conferencias, 3 (1995) : 275.

     
     

    Hartigan, P., Edwards, S., and Ghandour, L. "Accretion and Outflow From Young Stars." Rev. Mex. Astr. Ap., Serie de Conferencias, 3 (1995) : 93.

     
     

    Hartigan, P. "Low-Excitation HH Objects." Pub Astronomical Soc. Pacific Conf Ser., 57 (1994) : 94.

     
     

    Raymond, J., Morse, J., Hartigan, P., Curiel, S., and Heathcote, S. "Entrainment of Molecular Gas in HH47." Pub Astr. Soc. Pacific Conf. Ser., 57 (1994) : 94.

     
     Conference papers
     

    Dufour, R., Sick, J., Hartigan, P., Henry, R., Kwitter, K., and Bohigas, J. 2012, 3D ionization structure and kinematics of NGC 2392, IAU Symp. 283 "Planetary Nebulae: An Eye to the Future", 348

     
     

    Hartigan, P., Johns-Krull, C., and Scowen, P., 2012, Inferring Rotation Periods of Young Stars from Synoptic Observations, in IAU Symp. 285, "New Horizons in Time Domain Astronomy", R.E.M. Griffin, R.J. Hanish and R. Seaman eds., (Cambridge: Cambridge Univ. Press), 327.

     
     

    Crockett, C.J., Mahmud, N., Prato, L., Johns-Krull, C.M., Hartigan, P., Jaffe, D.T., and Beichman, C. 2011, Finding the Youngest Planets, ASP Conference Series 448, 53

     
     

    Mahmud, N., Crockett, C., Prato, L., Johns-Krull, C. M., Hartigan, P., Jaffe, D. T., and Beichman, C.A. 2011, A Search for Substellar Companions of T Tauri Stars, ASP Conference Series 448, 669

     
     

    Prato, L., Huerta, M., Johns-Krull, C., Hartigan, P., and Jaffe, D. "Surveying the Youngest Stars for the Youngest Substellar Companions." Astronomical Society of the Pacific Conference Series, 398 (2008) : 349-356.

     
     

    Huerta, Hartigan, Prato, Johns-Krull, and Jaffe "A Search for Low Mass Companions and a New Determination of Effective Temperature for T Tauri Stars." BAAS, 210 (2007) : 3604.

     
     

    Hartigan and Kenyon "Unresolved Pre-Main-Sequence Binaries in the HR Diagram." IAU Symposium 200, Formation and Evolution of Binary Stars, Zinnecker and Mathieu eds. (2000)

     
     

    Kenyon and Hartigan "First Results from a STIS Survey of Close Pre-Main-Sequence Binaries in Taurus." IAU Symposium 200, Formation and Evolution of Binary Stars, Zinnecker and Mathieu eds. (2000)

     
     

    Buckalew, B., Dufour, R., Ghavamian, P., Hartigan, P., Walter, D., Hester, J., & Scowen, P. "HST STIS Spectroscopy of the Bubble Nebula NGC 7635." BAAS, 194 (1999) : 4710.

     
     

    Ghavamian, P., Raymond, J.; Hartigan, P.; Blair, W. P. "Discovery of a Photoionization Precursor in Tycho's Supernova Remnant." BAAS, 195 (1999) : 4308.

     
     

    Hartigan, P., Morse, J., and Bally, J. "Shocks and Precursors in the Cepheus A Outflow as Observed by HST." BAAS, 195 (1999) : 7809.

     
     

    Moore, B. D.; Hester, J. J.; Scowen, P. A.; Walter, D. K.; Dufour, R. J.; Hartigan, P. M.;Buckalew, B. "Analysis of HST WFPC-2 Images of NGC 7635." BAAS, 195 (1999) : 5306.

     
     

    Walter, D. K.; Scowen, P. A.; Hester, J. J.; Moore, B. D.; Dufour, R. J.; Hartigan, P. M.; Buckalew, B. "New HST WFPC-2 Images of the Bubble Nebula, NGC 7635." BAAS, 195 (1999) : 5307.

     
     

    Hartigan, P. "HST Observations of the HH 47 and HH 111 Stellar Jets." Accretion Phenomena and Related Outflows (1997) : 536.

     
     

    Hartigan, P. "Observations of the Inner Accretion Disk Around Young Stars." Star Formation Near and Far (1997) : 153.

     
     

    Hartigan, P.; Reipurth, B.; Morse, J.; Bally, J.; Heathcote, S.; Schwartz, R. "Hubble Space Telescope Images of the HH 47 and HH 111 Protostellar Jets." BAAS, 188 (1996) : 4103.

     
     

    Ghavamian, P., and Hartigan, P. "Optically Thick Free-Free Emission in Interstellar Shocks." BAAS, 1887 (1995) : 2104.

     
     

    Hartigan, P.; Carpenter, J.; Dougados, C., and Skrutskie, M. "Jet Bow Shocks and Clumpy Shells of H2 Emission in the Young Stellar Outflow Cepheus A." BAAS, 187 (1995) : 2110.

     
     

    Ghandour, L., Jenniskens, P., and Hartigan, P. "DIBS Independent of Accretion in T Tauri Stars." The Diffuse Interstellar Bands: Contributed Papers (1994) : 7.

     
     

    Hartigan, P. "Observations of accretion and angular momentum regulation in young circumstellar disks and the implications for planetary formation." LPI Workshop: Physics of Accretion Disks Around Compact and Very Young Stars (1994) : 2.

     
     

    Hartigan, P., Edwards, S., and Ghandour, L. "Disk Accretion and Mass Loss From Young Stars." BAAS (1994) : 4815.

     
    Presentations
     Conference Committee Member
     

    "High Energy Density Laboratory Astrophysics VI." HEDLA VI, St Louis MO. (April 12, 2008)

     
     

    "Protostellar Jets in Context." Jetset, Rhodes, Greece. (July 10, 2008)

     
     Invited Talks
     

    "Blue Novae, MHD Radiative Shocks, and Self-Similarity of Dark Filaments." [Conference - Frontiers in Star Formation; Ann Arbor MI], (June 19)

     
     

    "Star Formation and Outflows with a 10-12m UV-Optical Telescope." [Conference - Finding the UV-Visible Path Forward: the Future of UV/Visible Space Astrophysics; NASA Goddard SFC Washington DC], (June 24)

     
     

    NNSA, Washington DC.  Astrophysical Dynamics in the Laboratory: Mach Stems and Magnetized Shocks

     
     

    HEDLA X: Bordeaux FRANCE: Exploring Astrophysical Shock Wave Dynamics in the Laboratory

     
     

    Astronomical Unit Seminar, Rice University: The Origin of Stellar Masses

     
     

    NNSA, Albuquerque NM.  Astrophysical Dynamics in the Laboratory: Mach Stems and Magnetized Shocks

     
     

    Astronomical Unit Seminar, Rice University.  Highlights from the 221st AAS Meeting

     
     

    "Clumpy Environments and Interacting Shock Waves: Realistic Analogs of Astrophysical Flows (NNSA/SSAA Conference Speaker, Washington DC)." (Feb 23)

     
     

    "Physical Conditions in YSO Jets (invited talk, NRAO/ALMA Conference, Charlottesville VA)." (March 3)

     
     

    Clumpy Environments and Interacting Shock Waves: Realistic Analogs of Astrophysical Flows

    SSAA Symposium, Carnegie Washington DC

     
     

    Fluid Dynamics of Stellar Jets in Real Time

    AU Seminar, Rice University, Houston TX

     
     

    "Astronomical Observations and Laboratory Analogs of Shock Waves in Jets From Young Stars." American Astronomical Society, St Louis MO. (June 3, 2008) With Frank, Rosen, Foster, Carver, Palmer, Williams, Wilde, Coker, Blue, Hansen

     
     

    "Evolving Ideas About HH Objects." Stromfest, Tucson Az. (April 4, 2008)

     
     

    "Hydrodynamics of Astrophysical Jets." HEDLA (American Physical Society), St Louis MO. (April 12, 2008) With Frank, Rosen, Foster, Carver, Palmer, Williams, Wilde, Coker, Blue, Hansen

     
     

    "Laboratory experiments, numerical simulations and astronomical observations of supersonic jets." SSAA, Washington DC. (February 26, 2008) With Frank, Rosen, Foster, Carver, Palmer, Williams, Wilde, Coker, Blue, Hansen

     
     

    "Magnetic Fields in Stellar Jets." Protostellar Jets in Context, Rhodes, Greece. (July 10, 2008) With Frank, Varniere, Blackman

     
     

    "Emission Line Diagnostics: Deriving Physical Parameters, Dynamics and Kinematics." JETSET, Elba. (Sept 4, 2006)

     
     

    "Magnetic Fields in Stellar Jets." Physics and Astronomy Dept, Rice University. (Sept 20, 2006)

     
     

    "Magnetic Fields in Stellar Jets." Osservatorio Astrofisico di Arcetri, Florence, Italy. (Sept 14, 2006) With Frank, Varniere, Blackman

     
     

    "Magnetic Fields in Stellar Jets." Rome Observatory, Frascati, Italy. (Sept 14, 2006)

     
     

    "Overview of Astronomical Observations Related to Laboratory Laser Experiments." HEDLA VI, Rice University. (March 11, 2006)

     
     

    "Proper Motions in the HH 47 Protostellar Jet." Tex/Mex 9, San Antonio. (April 15 2005) With Reipurth, Bally, Morse, Heathcote

     
     

    "Shocks in Jets from Young Stars." High Energy Density Laboratory Astrophysics V, Tucson. (March 11, 2004)

     
     

    "Slitless Observations with HST of the Inner 100 AU of Jets from Young Stars." Cores, Disks, Jets and Outflows, Banff. (July 14, 2004)

     
     

    "Motions, Shocks and Collimation of Stellar Jets." Northwestern University, Evanston IL. (11/11/2003)

     
     

    "Movies of Stellar Jets From HST." Winds, Bubbles, and Explosions, Patzcuaro, Mexico. (Sept 10, 2002)

     
     

    "Movies of Stellar Jets from HST." High Energy Density Laboratory Astrophysics, Ann Arbor, MI. (Feb 25, 2002) With Morse, Reipurth, Bally, Heathcote

     
     

    "Shock Waves in Jets From Young Stars." Joint European and National Astronomical Meeting, Porto, Portugal. (Sept 3, 2002)

     
     

    "Shock Waves in Jets and Outflows." Physics and Astronomy Colloquium, Rice University. (Oct 2, 2002)

     
     

    "Shock Waves and Motions in Stellar Jets." Colloquium, University of Texas, Austin. (April 17 2001)

     
     

    "Momentum Transfer in Stellar Jets." Colloquium, Cal Tech Astronomy Dept. (5/8/2000)

     
     

    "STIS Spectra of Close Binary T Tauri Stars." International Astronomical Union 200, Potsdam Germany. (4/11/2000) With Kenyon

     
     

    "STIS Spectra of Close Binary T Tauri Stars." Seminar, Steward Observatory, Tucson AZ. (5/5/2000)

     
     

    "Unresolved T Tauri Binaries in the H-R Diagram." International Astronomical Union 200, Potsdam Germany. (4/13/2000) With Kenyon

     
     Lectures
     

    "The Age of Planetary Discovery." Society of Rice University Women, Houston TX. (2/17/2003)

     
     

    "The Age of Planetary Discovery Begins." Adler Planetarium, Chicago IL. (11/12/2003)

     
     Panelist
     

    "Jets from Young Stars and Active Galactic Nuclei (panelist, ALMA conference, Charlottesville VA)." (March 3)

     
     Posters
     

    AAS Meeting, Long Beach CA. NEWFIRM Survey of  Pillars and Walls in the Carina Massive Star Formation Region

     
     

    Protostars and Planets VI, Heidelberg Germany.  Time-Series Position-Velocity Diagrams of the Jet and Low-Velocity Components in HH444

     
     

    "Irradiated Interfaces in the Carina and Cyg OB2 Massive Star Forming Regions ( Poster at HEDLA-9, Tallahassee, FL)." (April 29)

     
     

    Inferring Rotation Periods of Young Stars from Synoptic Observations, Oxford UK

     
     

    "Laboratory Astrophysics and Real Equations of State: The Next Challenges for Astrophysical MHD Simulations." International Conference on High Energy Density Physics, Austin TX. (May 20, 2009)

     
     

    "Laboratory Experiments, Numerical Simulations, and Astronomical Observations of Deflected Supersonic Jets." International Conference on High Energy Density Physics, Austin TX. (May 20, 2009)

     
     

    "Non-Equilibrium, Non-LTE, Radiative Cooling in the 3D MHD code AstroBEAR ." International Conference on High Energy Density Physics, Austin TX. (May 20, 2009)

     
     

    "Magnetic Fields in Stellar Jets." Protostars and Planets V, Hilo, HI. (October 23-29, 2005) With Blackman, Varniere, Frank

     
     

    "Subarcsecond Imaging of Forbidden Lines in Young Stars using the STIS Spectrograph on HST in Slitless Mode." Winds, Bubbles, and Explosions, Patzcuaro Mexico. (Sept 11, 2002) With Edwards

     
     

    "Proper Motions in the HH1, HH 34, HH 47 and HH 111 Stellar Jets: Movies From HST." American Astronomical Society, San Diego. (Jan 8, 2001) With Reipurth, Bally, Morse, and Heathcote

     
     

    "Shocks and Precursors in the Cepheus A Outflow." American Astronomical Society Mtg, Atlanta GA. (1/14/2000) With Morse, Bally

     
     Seminar Speaker
     

    "A New Diagnostic of Magnetic Field Strengths in Radiatively-Cooled Shock Fronts." [Astronomical Unit Seminar; Rice University], (September 9)

     
     

    "A New Look at the Carina Nebula." [Astronomical Unit Seminar; Rice University], (January 28)

     
     

    "The Cytherian-Jovian Conjunction Series and an Unusual Lunar Eclipse." [Astronomical Unit Seminar; Rice University], (September 9)

     
     

    "Dynamics of Stellar Jets Revealed Through Phase Space (National Radio Astronomical Observatory Colloquium, Socorro NM)." (October 19)

     
     

    "New Horizons in Time Domain Astronomy (Astronomical Unit Seminar speaker, Rice University)." (Feb 8)

     
     

    Fluid Dynamics of Stellar Jets in Real Time, Cerro Tololo Interamerican Observatory, La Serena Chile

     
     

    Fluid Dynamics of Stellar Jets in Real Time

    Space Telescope Science Institute, Baltimore MD

     
     

    Fluid Dynamics of Stellar Jets in Real Time, European Southern Observatory, Santiago Chile

     
     

    From the Omega Facility to the Hubble Space Telescope: Experiments and Observations of Supersonic Fluid Dynamics in Stellar Jets and Star Forming Regions, Los Alamos National Laboratory, Los Alamos

     
     

    Observations and Laboratory Experiments of Fluid Dynamics in Stellar Jets, Dublin Institute for Advanced Studies, Dublin Ireland

     
     

    Observations and Laboratory Experiments of Fluid Dynamics in Stellar Jets, Los Alamos National Laboratory, Los Alamos

     
     

    Observations and Laboratory Experiments of Fluid Dynamics in Stellar Jets, ETH Zurich, Switzerland

     
     

    Observations and Laboratory Experiments of Fluid Dynamics in Stellar Jets, Imperial College, London UK

     
     

    "Astronomical Observations and Laboratory Analogs of Shock Waves in Jets from Young Stars." Colloquium, University of Rochester. (March 1, 2009)

     
     

    "Astronomical Observations and Laboratory Analogs of Shock Waves in Jets from Young Stars." Colloquium, Texas A&M University. (April 28, 2009)

     
     

    "New Infrared Observations of the Remarkable Star Formation Region Cygnus OB2 ." Astronomical Unit Seminar, Rice University. (September 9, 2009)

     
     

    "The NASA Senior Review of Operating Missions." AU Seminar, Rice University. (September 24, 2008)

     
     

    "Magnetic Fields in Stellar Jets." Baylor University, Waco. (4/18/07)

     
     

    "Highlights of the Protostars and Planets V Meeting." Astronomical Unit Seminar, Rice University. (11/9/2005)

     
     

    "4th International Conference on High Energy Density Laboratory Astrophysics." Astronomical Unit Seminar, Rice University. (March 13, 2002)

     
     

    "A Spectroscopic Survey of Subarcsecond Pre-Main-Sequence Binaries in the Taurus-Auriga Dark Cloud." Astronomical Unit Seminar, Rice University. (Oct 2, 2002) With Kenyon

     
     

    "Astronomy Faculty Research Overview." Astronomical Unit, Rice University. (9/12/01) With Dufour, Liang, Baring, Johns-Krull

     
     

    "Disks Around Young Close Binaries." Astronomical Unit Seminar, Rice University. (5/1/2000)

     
     

    "Formation and Evolution of Binary Stars." Astronomical Unit Seminar, Rice University. (9/6/2000)

     
     

    "HST Observations of Stellar Jet Motions." Astronomical Unit Seminar, Rice University. (9/27/2000)

     
     

    "Highlights of the Atlanta AAS Meeting." Astronomical Unit Seminar, Rice University. (1/25/2000)

     
     

    "Ultraviolet Spectroscopy of Herbig-Haro Objects." Astronomical Unit, Rice University. (11/30/99)

     
     

    "Ongoing Projects in Star Formation Research." Astronomical Unit, Rice University. (10/12)

     
     Session Chair
     

    AAS Session Chair, Molecular Clouds and Star Formation

     
     

    "Session Chair at HEDLA Conference (HEDLA-9, Tallahassee FL)." (April 30)

     
    Editorial Positions
     Editor for Special Issue, High Energy Density Physics. Elsevier. (2013 - 2013)

     Editor for Special Issue, High Energy Density Physics. Elsevier. (2012 - 2012)

     Editor for Special Issue, High Energy Density Physics. Elsevier. (2014 - 2014)

     Editor, HEDLA 9. High Energy Density Physics. (2011 - 2011)

    Supervised Theses & Dissertations
     Rachel Pierson, BS Dust in Stellar Jets. (2002) (Thesis or Dissertation Director)

     Gregory Pawloski, MS Testing of the Muon Port Card and Related Electronics for the CMS Endcap Muon Trigger System. (2003) (Committee Member)

     Brent Buckalew, PhD Survey of Wolf-Rayet Variable Stars in Nearby Galaxies. (2003) (Committee Member)

     Takao Doi, PhD Internal Velocities in the Orion Nebula. (2004) (Thesis or Dissertation Director)

     Wei Zhao, MS The Kicked Atom: Characterization of Quasi-One-Dimensional Rydberg The Kicked Atom: Characterization of Quasi-One-Dimensional Rydberg Atoms and Their Nonlinear Dynamics. (2004) (Committee Member)

     Marcos Huerta, MS Forbidden Line Emission in the Classical T Tauri Spectroscopic Binaries DQ Tau and UZ Tau-E Monitored Over an Orbital Period. (2004) (Thesis or Dissertation Director)

     Hao Yang, M.S. Measuring the Magnetic Fields on T Tauri Star TW Hya. (2005) (Committee Member)

     Adam Ginsburg, BS Dust in Stellar Jets. (2006) (Thesis or Dissertation Director)

     Marcos Huerta, PhD A Search for Low Mass Companions and a New Determination of Effective Temperatures for T Tauri Stars (Ph.D. thesis). (2006) (Thesis or Dissertation Director)

     Pia Denzmore, BS Massive Star Formation With Spitzer. (2006) (Thesis or Dissertation Director)

     Eileen Meyer, MS Effect of Spectral Curvature on the Evolution of Blazars. (2008) (Committee Member)

     Julia Scheevel, BS Independent Component Analysis of T Tauri Star Spectra. (2009) (Thesis or Dissertation Director)

     Robert Carver, PhD Shocks and Jets from the Laboratory Environment to the Astrophysical Regime: Transforming AstroBEAR Into an All Purpose MHD Simulation Package. (2009) (Thesis or Dissertation Director)

     Lauren Ilse Cleeves, BS Star Formation in the Cygnus OB2 Association. (2009) (Thesis or Dissertation Director)

     Chris Olsen, MS Ion Flux Maps and Helicon Source Efficiency in the VASIMR VX-100 Experiment Using a Moving Langmuir Probe Array. (2009) (Committee Member)

     Jacob Palmer, MS Numerical Simulations of Radiative Shocked Clumps: Application to the Young Stellar Outflow HH 29 . (2011) (Thesis or Dissertation Director)

     Paul Wilson Cauley, PhD Diagnosing Mass Flows in Herbig Ae/Be Stars. (2014) (Committee Member)

     Wei Chen, PhD Magnetic Fields and Accretion on T Tauri Stars. (2014) (Committee Member)

     Jun Liu, MS Plasmon-Induced Hot Carriers in Metallic Nanoparticles. (2015) (Committee Member)

     Andy Sha Liao, PhD Numerical Simulations of an Experimental Analogue of a Planetary Magnetosphere. (2017) (Thesis or Dissertation Director)

     Yu Pu, MS Effects of Stray Fields on Ionization of Rydberg Atoms near Gold Surfaces. (Committee Member)