Brief Bio
Assistant Astronomer, University of Chicago, Yerkes Observatory 1970-1972
Assistant Astronomer, Kitt Peak National Observatory, Tucson, AZ 1972-1975
Principal Engineer, Lockheed Electronics, Houston, TX 1975-1977
Astronomer, GSFC 1977-Present
Associate Chief, Laboratory for Astronomy and Solar Physics 1983-1993
Mission Scientist, Astro-1, 1982-1992
Deputy Principal Investigator, Space Telescope Imaging Spectrograph, 1984-2009
Current Projects
Observational studies of Eta Carinae and the Homunculus coupled with modeling the massive binary winds and modeling the massive ejecta.
Ongoing observations with HST, CHANDRA, Herschel, ESO's VLT and other facilities. Several collaborations leading to modeling which includes 3D wind-wind interaction studies with smoothed particle hydrodynamics, radiation transfer; atomic, molecular and dust evolution of the expanding Homunculus and Little Homunculus.
Education
BS Physics, MIT 1966PhD Astrophysics, Cornell, 1971
XMBA, Loyola College, 1985
Professional Societies
Professional Service
Member, multiple thesis examination committees.Member, multiple NASA and NSF review panels.
Member, advisory committe for Native American Tribal Colleges
Awards
Goddard Award of Merit
ScD, South Dakota School of Mines and Technology
NASA Exceptional Achievement Medal 1992
NASA Equal Opportunity Medal 1998
HST National Resource Award, Group Achievement Award, 1999
STIS Servicing Mission Group Achievement Award, 1998
Honored Guest – Black Hills Powwow 2005
Publications
BAUTISTA, M. A., M. MELŽNDEZ, H. HARTMAN, T. R. GULL, and K. LODDERS. 2011. The abundance of iron-peak elements and the dust composition in _ Carinae: manganese. Monthly Notices of the Royal Astronomical Society. 410 2643. [10.1111/j.1365-2966.2010.17642.x]
MADURA, T. I., T. R. GULL, S. P. OWOCKI, A. T. OKAZAKI, and C. M. RUSSELL. 2011. Constraining the Properties of the Eta Carinae System via 3-D SPH Models of Space-Based Observations: The Absolute Orientation of the Binary Orbit. SociŽtŽ Royale des Sciences de Li?ge, Bulletin, vol 80, p 694-698 (Proceedings of the 39th Li?ge Astrophysical Colloquium, held in Li?ge 12-16 July 2010, edited by G Rauw, M De Becker, Y NazŽ, J-M Vreux, P Williams). 80 694. [Full Text (Link)]
BRUHWEILER, F. C., R. FREIRE FERRERO, M. O. BOURDIN, and T. R. GULL. 2010. The Young Interstellar Bubble Within the Rosette Nebula. The Astrophysical Journal. 719 1872. [10.1088/0004-637X/719/2/1872]
GROH, J. H., K. E. NIELSEN, A. DAMINELI, T. R. GULL, T. I. MADURA, D. J. HILLIER, M. TEODORO, T. DRIEBE, G. WEIGELT, H. HARTMAN, F. KERBER, A. T. OKAZAKI, S. P. OWOCKI, F. MILLOUR, K. MURAKAWA, S. KRAUS, K. HOFMANN, and D. SCHERTL. 2010. Detection of high-velocity material from the wind-wind collision zone of Eta Carinae across the 20090 periastron passage. Astronomy and Astrophysics. 517 9. [10.1051/0004-6361/200913937]
GULL, T. R. 2009. The Variable 6307 Å Emission Line in the Spectrum of Eta Carinae: Blueshifted [S III] ?6313 from the Interacting Winds. The Publications of the Astronomical Society of the Pacific. 121 1213. [10.1086/648537]
GULL, T. R., K. E. NIELSEN, M. F. CORCORAN, T. I. MADURA, S. P. OWOCKI, C. M. RUSSELL, D. J. HILLIER, K. HAMAGUCHI, G. V. KOBER, K. WEIS, O. STAHL, and A. T. OKAZAKI. 2009. The extended interacting wind structure of Eta Carinae. Monthly Notices of the Royal Astronomical Society. 396 1308. [10.1111/j.1365-2966.2009.14854.x]
NIELSEN, K. E., and T. R. GULL. 2009. Eta Carinae: an Astrophysical Laboratory. Physica Scripta. 134 4002. [10.1088/0031-8949/2009/T134/014002]
NIELSEN, K. E., G. V. KOBER, K. WEIS, T. R. GULL, O. STAHL, and D. J. BOMANS. 2009. Eta Carinae Across the 20035 Minimum: Analysis in the Visible and Near-Infrared Spectral Region. The Astrophysical Journal Supplement. 181 473. [10.1088/0067-0049/181/2/473]
BAUTISTA, M. A., C. BALLANCE, T. R. GULL, H. HARTMAN, K. LODDERS, M. MARTÍNEZ, and M. MELÉNDEZ. 2009. Scandium and chromium in the strontium filament in the Homunculus of ?Carinae. Monthly Notices of the Royal Astronomical Society. 393 1503. [10.1111/j.1365-2966.2008.14246.x]
HAGEN BAUER, W., T. R. GULL, and P. D. BENNETT. 2008. Spatial Extension in the Ultraviolet Spectrum of VV Cephei. The Astronomical Journal. 136 1312. [10.1088/0004-6256/136/3/1312]
HENLEY, D. B., M. F. CORCORAN, J. M. PITTARD, I. R. STEVENS, K. HAMAGUCHI, and T. R. GULL. 2008. Chandra X-Ray Grating Spectrometry of ? Carinae near X-Ray Minimum I Variability of the Sulfur and Silicon Emission Lines. The Astrophysical Journal. 680 705. [10.1086/587472]
NIELSEN, K. E., M. F. CORCORAN, T. R. GULL, D. J. HILLIER, K. HAMAGUCHI, S. IVARSSON, and D. J. LINDLER. 2007. ? Carinae across the 20035 Minimum: Spectroscopic Evidence for Massive Binary Interactions. The Astrophysical Journal. 660 669. [10.1086/513006]
WEIGELT, G., S. KRAUS, T. DRIEBE, R. G. PETROV, K. HOFMANN, F. MILLOUR, O. CHESNEAU, D. SCHERTL, F. MALBET, J. D. HILLIER, T. GULL, K. DAVIDSON, A. DOMICIANO DE SOUZA, P. ANTONELLI, U. BECKMANN, Y. BRESSON, A. CHELLI, M. DUGUÉ, G. DUVERT, S. GENNARI, L. GLÜCK, P. KERN, S. LAGARDE, E. LE COARER, F. LISI, K. PERRAUT, P. PUGET, F. RANTAKYRÖ, S. ROBBE-DUBOIS, A. ROUSSEL, E. TATULLI, G. ZINS, M. ACCARDO, B. ACKE, K. AGABI, E. ALTARIBA, B. AREZKI, E. ARISTIDI, C. BAFFA, J. BEHREND, T. BLÖCKER, S. BONHOMME, S. BUSONI, F. CASSAING, J. CLAUSSE, J. COLIN, C. CONNOT, A. DELBOULBÉ, P. FEAUTRIER, D. FERRUZZI, T. FORVEILLE, E. FOSSAT, R. FOY, D. FRAIX-BURNET, A. GALLARDO, E. GIANI, C. GIL, A. GLENTZLIN, M. HEIDEN, M. HEININGER, O. HERNANDEZ UTRERA, D. KAMM, M. KIEKEBUSCH, D. LE CONTEL, J. LE CONTEL, T. LESOURD, B. LOPEZ, M. LOPEZ, Y. MAGNARD, A. MARCONI, G. MARS, G. MARTINOT-LAGARDE, P. MATHIAS, P. MÈGE, J. MONIN, D. MOUILLET, D. MOURARD, E. NUSSBAUM, K. OHNAKA, J. PACHECO, C. PERRIER, Y. RABBIA, S. REBATTU, F. REYNAUD, A. RICHICHI, A. ROBINI, M. SACCHETTINI, M. SCHÖLLER, W. SOLSCHEID, A. SPANG, P. STEE, P. STEFANINI, M. TALLON, I. TALLON-BOSC, D. TASSO, L. TESTI, F. VAKILI, O. VON DER LÜHE, J. VALTIER, M. VANNIER, N. VENTURA, K. WEIS, and M. WITTKOWSKI. 2007. Near-infrared interferometry of ? Carinae with spectral resolutions of 1 500 and 12 000 using AMBER/VLTI. Astronomy and Astrophysics. 464 87. [10.1051/0004-6361:20065577]
Brief Bio
Assistant Astronomer, University of Chicago, Yerkes Observatory 1970-1972
Assistant Astronomer, Kitt Peak National Observatory, Tucson, AZ 1972-1975
Principal Engineer, Lockheed Electronics, Houston, TX 1975-1977
Astronomer, GSFC 1977-Present
Associate Chief, Laboratory for Astronomy and Solar Physics 1983-1993
Mission Scientist, Astro-1, 1982-1992
Deputy Principal Investigator, Space Telescope Imaging Spectrograph, 1984-2009
MADURA, T. I., T. R. GULL, S. P. OWOCKI, A. T. OKAZAKI, and C. M. RUSSELL. 2011. Constraining the Properties of the Eta Carinae System via 3-D SPH Models of Space-Based Observations: The Absolute Orientation of the Binary Orbit. SociŽtŽ Royale des Sciences de Li?ge, Bulletin, vol 80, p 694-698 (Proceedings of the 39th Li?ge Astrophysical Colloquium, held in Li?ge 12-16 July 2010, edited by G Rauw, M De Becker, Y NazŽ, J-M Vreux, P Williams). 80 694. [Full Text (Link)]
BRUHWEILER, F. C., R. FREIRE FERRERO, M. O. BOURDIN, and T. R. GULL. 2010. The Young Interstellar Bubble Within the Rosette Nebula. The Astrophysical Journal. 719 1872. [10.1088/0004-637X/719/2/1872]
GROH, J. H., K. E. NIELSEN, A. DAMINELI, T. R. GULL, T. I. MADURA, D. J. HILLIER, M. TEODORO, T. DRIEBE, G. WEIGELT, H. HARTMAN, F. KERBER, A. T. OKAZAKI, S. P. OWOCKI, F. MILLOUR, K. MURAKAWA, S. KRAUS, K. HOFMANN, and D. SCHERTL. 2010. Detection of high-velocity material from the wind-wind collision zone of Eta Carinae across the 20090 periastron passage. Astronomy and Astrophysics. 517 9. [10.1051/0004-6361/200913937]
GULL, T. R. 2009. The Variable 6307 Å Emission Line in the Spectrum of Eta Carinae: Blueshifted [S III] ?6313 from the Interacting Winds. The Publications of the Astronomical Society of the Pacific. 121 1213. [10.1086/648537]
GULL, T. R., K. E. NIELSEN, M. F. CORCORAN, T. I. MADURA, S. P. OWOCKI, C. M. RUSSELL, D. J. HILLIER, K. HAMAGUCHI, G. V. KOBER, K. WEIS, O. STAHL, and A. T. OKAZAKI. 2009. The extended interacting wind structure of Eta Carinae. Monthly Notices of the Royal Astronomical Society. 396 1308. [10.1111/j.1365-2966.2009.14854.x]
NIELSEN, K. E., and T. R. GULL. 2009. Eta Carinae: an Astrophysical Laboratory. Physica Scripta. 134 4002. [10.1088/0031-8949/2009/T134/014002]
NIELSEN, K. E., G. V. KOBER, K. WEIS, T. R. GULL, O. STAHL, and D. J. BOMANS. 2009. Eta Carinae Across the 20035 Minimum: Analysis in the Visible and Near-Infrared Spectral Region. The Astrophysical Journal Supplement. 181 473. [10.1088/0067-0049/181/2/473]
BAUTISTA, M. A., C. BALLANCE, T. R. GULL, H. HARTMAN, K. LODDERS, M. MARTÍNEZ, and M. MELÉNDEZ. 2009. Scandium and chromium in the strontium filament in the Homunculus of ?Carinae. Monthly Notices of the Royal Astronomical Society. 393 1503. [10.1111/j.1365-2966.2008.14246.x]
HAGEN BAUER, W., T. R. GULL, and P. D. BENNETT. 2008. Spatial Extension in the Ultraviolet Spectrum of VV Cephei. The Astronomical Journal. 136 1312. [10.1088/0004-6256/136/3/1312]
HENLEY, D. B., M. F. CORCORAN, J. M. PITTARD, I. R. STEVENS, K. HAMAGUCHI, and T. R. GULL. 2008. Chandra X-Ray Grating Spectrometry of ? Carinae near X-Ray Minimum I Variability of the Sulfur and Silicon Emission Lines. The Astrophysical Journal. 680 705. [10.1086/587472]
NIELSEN, K. E., M. F. CORCORAN, T. R. GULL, D. J. HILLIER, K. HAMAGUCHI, S. IVARSSON, and D. J. LINDLER. 2007. ? Carinae across the 20035 Minimum: Spectroscopic Evidence for Massive Binary Interactions. The Astrophysical Journal. 660 669. [10.1086/513006]
WEIGELT, G., S. KRAUS, T. DRIEBE, R. G. PETROV, K. HOFMANN, F. MILLOUR, O. CHESNEAU, D. SCHERTL, F. MALBET, J. D. HILLIER, T. GULL, K. DAVIDSON, A. DOMICIANO DE SOUZA, P. ANTONELLI, U. BECKMANN, Y. BRESSON, A. CHELLI, M. DUGUÉ, G. DUVERT, S. GENNARI, L. GLÜCK, P. KERN, S. LAGARDE, E. LE COARER, F. LISI, K. PERRAUT, P. PUGET, F. RANTAKYRÖ, S. ROBBE-DUBOIS, A. ROUSSEL, E. TATULLI, G. ZINS, M. ACCARDO, B. ACKE, K. AGABI, E. ALTARIBA, B. AREZKI, E. ARISTIDI, C. BAFFA, J. BEHREND, T. BLÖCKER, S. BONHOMME, S. BUSONI, F. CASSAING, J. CLAUSSE, J. COLIN, C. CONNOT, A. DELBOULBÉ, P. FEAUTRIER, D. FERRUZZI, T. FORVEILLE, E. FOSSAT, R. FOY, D. FRAIX-BURNET, A. GALLARDO, E. GIANI, C. GIL, A. GLENTZLIN, M. HEIDEN, M. HEININGER, O. HERNANDEZ UTRERA, D. KAMM, M. KIEKEBUSCH, D. LE CONTEL, J. LE CONTEL, T. LESOURD, B. LOPEZ, M. LOPEZ, Y. MAGNARD, A. MARCONI, G. MARS, G. MARTINOT-LAGARDE, P. MATHIAS, P. MÈGE, J. MONIN, D. MOUILLET, D. MOURARD, E. NUSSBAUM, K. OHNAKA, J. PACHECO, C. PERRIER, Y. RABBIA, S. REBATTU, F. REYNAUD, A. RICHICHI, A. ROBINI, M. SACCHETTINI, M. SCHÖLLER, W. SOLSCHEID, A. SPANG, P. STEE, P. STEFANINI, M. TALLON, I. TALLON-BOSC, D. TASSO, L. TESTI, F. VAKILI, O. VON DER LÜHE, J. VALTIER, M. VANNIER, N. VENTURA, K. WEIS, and M. WITTKOWSKI. 2007. Near-infrared interferometry of ? Carinae with spectral resolutions of 1 500 and 12 000 using AMBER/VLTI. Astronomy and Astrophysics. 464 87. [10.1051/0004-6361:20065577]
