2018 – Operations team member for Juno MAG
1990 – 2018 Co–Investigator for the Cassini Composite Infrared Spectrometer
1990 – 2018 Operations team member for the Cassini Composite Infrared Spectrometer
((AST, PLANETARY STUDIES))
Org Code: 693
NASA/GSFCEmployer: NASA
2018 – Operations team member for Juno MAG
1990 – 2018 Co–Investigator for the Cassini Composite Infrared Spectrometer
1990 – 2018 Operations team member for the Cassini Composite Infrared Spectrometer
National Research Council - NASA–Goddard Space Flight Center
September 1986 - September Present
Science Systems and Applications, Inc - NASA–Goddard Space Flight Center
September 1988 - September 1991
CNRS - The Observatoire de Paris et Meudon, France
1990 - 1990
NASA - Goddard Space Flight Center
1991 - Present
2005 – 2010 Instructor in the College Park Scholars Science, Discovery, & the Universe program at University of Maryland – College Park
1986 - Present
1986 - Present
1985 - Present
Robert H. Goddard Award for Exceptional Achievement & Enabling Support, 2016
Pearl, J., C. Nixon, D. E. Jennings, et al. S. Aslam, S. Calcutt, M. Kaelberer, N. Gorius, R. Achterberg, P. Romani, G. Bjoraker, and F. Flasar. 2023. Cassini Composite InfraRed Spectrometer: correcting an offset error and refining the pointing parameters for the mid-infrared detectors Applied Optics 62 (22): 5882-5888 [10.1364/ao.491970]
Nixon, C. A., T. M. Ansty, N. A. Lombardo, et al. G. L. Bjoraker, R. K. Achterberg, A. M. Annex, M. Rice, P. N. Romani, D. E. Jennings, R. E. Samuelson, C. M. Anderson, A. Coustenis, B. Bézard, S. Vinatier, E. Lellouch, R. Courtin, N. A. Teanby, V. Cottini, and F. M. Flasar. 2019. Cassini Composite Infrared Spectrometer (CIRS) Observations of Titan 2004–2017 The Astrophysical Journal Supplement Series 244 (1): 14 [10.3847/1538-4365/ab3799]
Jennings, D. E., T. Tokano, V. Cottini, et al. C. A. Nixon, R. K. Achterberg, F. M. Flasar, V. G. Kunde, P. N. Romani, R. E. Samuelson, M. E. Segura, N. J. Gorius, E. Guandique, M. S. Kaelberer, and A. Coustenis. 2019. Titan Surface Temperatures during the Cassini Mission The Astrophysical Journal 877 (1): L8 [10.3847/2041-8213/ab1f91]
Jennings, D. E., F. M. Flasar, V. G. Kunde, et al. C. A. Nixon, M. E. Segura, P. N. Romani, N. Gorius, S. Albright, J. C. Brasunas, R. C. Carlson, A. A. Mamoutkine, E. Guandique, M. S. Kaelberer, S. Aslam, R. K. Achterberg, G. L. Bjoraker, C. M. Anderson, V. Cottini, J. C. Pearl, M. D. Smith, B. E. Hesman, R. D. Barney, S. Calcutt, T. J. Vellacott, L. J. Spilker, S. G. Edgington, S. M. Brooks, P. Ade, P. J. Schinder, A. Coustenis, R. Courtin, G. Michel, R. Fettig, S. Pilorz, and C. Ferrari. 2017. Composite infrared spectrometer (CIRS) on Cassini: publisher’s note Applied Optics 56 (21): 5897 [10.1364/ao.56.005897]
Jennings, D. E., F. M. Flasar, V. G. Kunde, et al. C. A. Nixon, M. E. Segura, P. N. Romani, N. Gorius, S. Albright, J. C. Brasunas, R. C. Carlson, A. A. Mamoutkine, E. Guandique, M. S. Kaelberer, S. Aslam, R. K. Achterberg, G. L. Bjoraker, C. M. Anderson, V. Cottini, J. C. Pearl, M. D. Smith, B. E. Hesman, R. D. Barney, S. Calcutt, T. J. Vellacott, L. J. Spilker, S. G. Edgington, S. M. Brooks, P. Ade, P. J. Schinder, A. Coustenis, R. Courtin, G. Michel, R. Fettig, S. Pilorz, and C. Ferrari. 2017. Composite infrared spectrometer (CIRS) on Cassini Applied Optics 56 (18): 5274 [10.1364/ao.56.005274]
Jennings, D. E., V. Cottini, C. A. Nixon, et al. R. K. Achterberg, F. M. Flasar, V. G. Kunde, P. N. Romani, R. E. Samuelson, A. Mamoutkine, N. J. Gorius, A. Coustenis, and T. Tokano. 2016. SURFACE TEMPERATURES ON TITAN DURING NORTHERN WINTER AND SPRING The Astrophysical Journal 816 (1): L17 [10.3847/2041-8205/816/1/l17]
Wong, M. H., S. K. Atreya, W. R. Kuhn, P. N. Romani, and K. M. Mihalka. 2015. Fresh clouds: A parameterized updraft method for calculating cloud densities in one-dimensional models Icarus 245 273-281 [10.1016/j.icarus.2014.09.042]
Coustenis, A., G. Bampasidis, R. K. Achterberg, et al. P. Lavvas, D. E. Jennings, C. A. Nixon, N. A. Teanby, S. Vinatier, F. M. Flasar, R. C. Carlson, G. Orton, P. N. Romani, E. A. Guandique, and S. Stamogiorgos. 2013. EVOLUTION OF THE STRATOSPHERIC TEMPERATURE AND CHEMICAL COMPOSITION OVER ONE TITANIAN YEAR The Astrophysical Journal 779 (2): 177 [10.1088/0004-637x/779/2/177]
Jennings, D. E., C. M. Anderson, R. E. Samuelson, et al. F. M. Flasar, C. A. Nixon, G. L. Bjoraker, P. N. Romani, R. K. Achterberg, V. Cottini, B. E. Hesman, V. G. Kunde, R. C. Carlson, R. de Kok, A. Coustenis, S. Vinatier, G. Bampasidis, N. A. Teanby, and S. B. Calcutt. 2012. FIRST OBSERVATION IN THE SOUTH OF TITAN'S FAR-INFRARED 220 cm –1 CLOUD The Astrophysical Journal 761 (1): L15 [10.1088/2041-8205/761/1/l15]
Bampasidis, G., A. Coustenis, R. K. Achterberg, et al. S. Vinatier, P. Lavvas, C. A. Nixon, D. E. Jennings, N. A. Teanby, F. M. Flasar, R. C. Carlson, X. Moussas, P. Preka-Papadema, P. N. Romani, E. A. Guandique, and S. Stamogiorgos. 2012. THERMAL AND CHEMICAL STRUCTURE VARIATIONS IN TITAN'S STRATOSPHERE DURING THECASSINIMISSION The Astrophysical Journal 760 (2): 144 [10.1088/0004-637x/760/2/144]
Hesman, B. E., G. L. Bjoraker, P. V. Sada, et al. R. K. Achterberg, D. E. Jennings, P. N. Romani, A. W. Lunsford, L. N. Fletcher, R. J. Boyle, A. A. Simon-Miller, P. G. Irwin, and C. A. Nixon. 2012. Elusive Ethylene Detected in Saturn's Northern Storm Region Astrophysical Journal 760:24 [10.1088/0004-637X/760/1/24]
Nixon, C. A., B. Temelso, S. Vinatier, et al. N. A. Teanby, B. Bézard, R. K. Achterberg, K. E. Mandt, C. D. Sherrill, P. G. Irwin, D. E. Jennings, P. N. Romani, A. Coustenis, and F. M. Flasar. 2012. ISOTOPIC RATIOS IN TITAN's METHANE: MEASUREMENTS AND MODELING The Astrophysical Journal 749 (2): 159 [10.1088/0004-637x/749/2/159]
Jennings, D. E., V. Cottini, C. A. Nixon, et al. F. M. Flasar, V. G. Kunde, R. E. Samuelson, P. N. Romani, B. E. Hesman, R. C. Carlson, N. J. Gorius, A. Coustenis, and T. Tokano. 2011. SEASONAL CHANGES IN TITAN'S SURFACE TEMPERATURES The Astrophysical Journal 737 (1): L15 [10.1088/2041-8205/737/1/l15]
Nixon, C., R. Achterberg, P. Romani, et al. M. Allen, X. Zhang, N. Teanby, P. Irwin, and F. Flasar. 2010. Abundances of Jupiter's trace hydrocarbons from Voyager and Cassini Planetary and Space Science 58 (13): 1667-1680 [10.1016/j.pss.2010.05.008]
Coustenis, A., D. Jennings, C. Nixon, et al. R. Achterberg, P. Lavvas, S. Vinatier, N. Teanby, G. Bjoraker, R. Carlson, L. Piani, G. Bampasidis, F. Flasar, and P. Romani. 2010. Titan trace gaseous composition from CIRS at the end of the Cassini–Huygens prime mission Icarus 207 (1): 461-476 [10.1016/j.icarus.2009.11.027]
Nixon, C. A., R. K. Achterberg, N. A. Teanby, et al. P. G. Irwin, J.-M. Flaud, I. Kleiner, A. Dehayem-Kamadjeu, L. R. Brown, R. L. Sams, B. Bézard, A. Coustenis, T. M. Ansty, A. Mamoutkine, S. Vinatier, G. L. Bjoraker, D. E. Jennings, P. N. Romani, and F. M. Flasar. 2010. Upper limits for undetected trace species in the stratosphere of Titan Faraday Discussions 147 65 [10.1039/c003771k]
Jennings, D. E., P. N. Romani, G. L. Bjoraker, et al. P. V. Sada, C. A. Nixon, A. W. Lunsford, R. J. Boyle, B. E. Hesman, and G. H. McCabe. 2009. 12C/13C Ratio in Ethane on Titan and Implications for Methane’s Replenishment† The Journal of Physical Chemistry A 113 (42): 11101-11106 [10.1021/jp903637d]
Coustenis, A., S. K. Atreya, T. Balint, et al. R. H. Brown, M. K. Dougherty, F. Ferri, M. Fulchignoni, D. Gautier, R. A. Gowen, C. A. Griffith, L. I. Gurvits, R. Jaumann, Y. Langevin, M. R. Leese, J. I. Lunine, C. P. McKay, X. Moussas, I. Müller-Wodarg, F. Neubauer, T. C. Owen, F. Raulin, E. C. Sittler, F. Sohl, C. Sotin, G. Tobie, T. Tokano, E. P. Turtle, J. Wahlund, J. H. Waite, K. H. Baines, J. Blamont, A. J. Coates, I. Dandouras, T. Krimigis, E. Lellouch, R. D. Lorenz, A. Morse, C. C. Porco, M. Hirtzig, J. Saur, T. Spilker, J. C. Zarnecki, E. Choi, N. Achilleos, R. Amils, P. Annan, D. H. Atkinson, Y. Bénilan, C. Bertucci, B. Bézard, G. L. Bjoraker, M. Blanc, L. Boireau, J. Bouman, M. Cabane, M. T. Capria, E. Chassefière, P. Coll, M. Combes, J. F. Cooper, A. Coradini, F. Crary, T. Cravens, I. A. Daglis, E. de Angelis, C. de Bergh, I. de Pater, C. Dunford, G. Durry, O. Dutuit, D. Fairbrother, F. M. Flasar, A. D. Fortes, R. Frampton, M. Fujimoto, M. Galand, O. Grasset, M. Grott, T. Haltigin, A. Herique, F. Hersant, H. Hussmann, W. Ip, R. Johnson, E. Kallio, S. Kempf, M. Knapmeyer, W. Kofman, R. Koop, T. Kostiuk, N. Krupp, M. Küppers, H. Lammer, L. Lara, P. Lavvas, S. Le Mouélic, S. Lebonnois, S. Ledvina, J. Li, T. A. Livengood, R. M. Lopes, J. Lopez-Moreno, D. Luz, P. R. Mahaffy, U. Mall, J. Martinez-Frias, B. Marty, T. McCord, C. Menor Salvan, A. Milillo, D. G. Mitchell, R. Modolo, O. Mousis, M. Nakamura, C. D. Neish, C. A. Nixon, D. Nna Mvondo, G. Orton, M. Paetzold, J. Pitman, S. Pogrebenko, W. Pollard, O. Prieto-Ballesteros, P. Rannou, K. Reh, L. Richter, F. T. Robb, R. Rodrigo, S. Rodriguez, P. Romani, M. Ruiz Bermejo, E. T. Sarris, P. Schenk, B. Schmitt, N. Schmitz, D. Schulze-Makuch, K. Schwingenschuh, A. Selig, B. Sicardy, L. Soderblom, L. J. Spilker, D. Stam, A. Steele, K. Stephan, D. F. Strobel, K. Szego, C. Szopa, R. Thissen, M. G. Tomasko, D. Toublanc, H. Vali, I. Vardavas, V. Vuitton, R. A. West, R. Yelle, and E. F. Young. 2009. TandEM: Titan and Enceladus mission Experimental Astronomy 23 893 [10.1007/s10686-008-9103-z]
Jennings, D. E., F. M. Flasar, V. G. Kunde, et al. R. E. Samuelson, J. C. Pearl, C. A. Nixon, R. C. Carlson, A. A. Mamoutkine, J. C. Brasunas, E. Guandique, R. K. Achterberg, G. L. Bjoraker, P. N. Romani, M. E. Segura, S. A. Albright, M. H. Elliott, J. S. Tingley, S. Calcutt, A. Coustenis, and R. Courtin. 2009. TITAN'S SURFACE BRIGHTNESS TEMPERATURES The Astrophysical Journal 691 (2): L103-L105 [10.1088/0004-637x/691/2/l103]
Coustenis, A., D. E. Jennings, A. Jolly, et al. Y. Bénilan, C. A. Nixon, S. Vinatier, D. Gautier, G. L. Bjoraker, P. N. Romani, R. C. Carlson, and F. M. Flasar. 2008. Detection of C2HD and the D/H ratio on Titan Icarus 197 (2): 539-548 [10.1016/j.icarus.2008.06.003]
Jennings, D. E., C. A. Nixon, A. Jolly, et al. B. Bézard, A. Coustenis, S. Vinatier, P. G. Irwin, N. A. Teanby, P. N. Romani, R. K. Achterberg, and F. M. Flasar. 2008. Isotopic Ratios in Titan's Atmosphere fromCassiniCIRS Limb Sounding: HC3N in the North The Astrophysical Journal 681 (2): L109-L111 [10.1086/590534]
Nixon, C. A., D. E. Jennings, B. Bézard, et al. N. A. Teanby, R. K. Achterberg, A. Coustenis, S. Vinatier, P. G. Irwin, P. N. Romani, T. Hewagama, and F. M. Flasar. 2008. Isotopic Ratios in Titan's Atmosphere fromCassiniCIRS Limb Sounding: CO2at Low and Midlatitudes The Astrophysical Journal 681 (2): L101-L103 [10.1086/590553]
Nixon, C., R. Achterberg, S. Vinatier, et al. B. Bézard, A. Coustenis, P. Irwin, N. Teanby, R. de Kok, P. Romani, D. Jennings, G. Bjoraker, and F. Flasar. 2008. The 12C/13C isotopic ratio in Titan hydrocarbons from Cassini/CIRS infrared spectra Icarus 195 (2): 778-791 [10.1016/j.icarus.2008.01.012]
Coustenis, A., R. K. Achterberg, B. J. Conrath, et al. D. E. Jennings, A. Marten, D. Gautier, C. A. Nixon, F. M. Flasar, N. A. Teanby, B. Bézard, R. E. Samuelson, R. C. Carlson, E. Lellouch, G. L. Bjoraker, P. N. Romani, F. W. Taylor, P. G. Irwin, T. Fouchet, A. Hubert, G. S. Orton, V. G. Kunde, S. Vinatier, J. Mondellini, M. M. Abbas, and R. Courtin. 2007. The composition of Titan's stratosphere from Cassini/CIRS mid-infrared spectra Icarus 189 (1): 35-62 [10.1016/j.icarus.2006.12.022]
Vinatier, S., B. Bezard, T. Fouchet, et al. N. Teanby, R. Dekok, P. Irwin, B. Conrath, C. Nixon, P. Romani, and F. Flasar. 2007. Vertical abundance profiles of hydrocarbons in Titan's atmosphere at 15° S and 80° N retrieved from Cassini/CIRS spectra Icarus 188 (1): 120-138 [10.1016/j.icarus.2006.10.031]
Nixon, C., R. Achterberg, B. Conrath, et al. P. Irwin, N. A. Teanby, T. Fouchet, P. Parrish, P. Romani, M. Abbas, A. LeClair, D. Strobel, A. A. Simon-Miller, D. Jennings, F. M. Flasar, and V. Kunde. 2007. Meridional Variations of C2H2 and C2H6 in Jupiter's Atmosphere from Cassini CIRS Infrared Spectra Icarus 188 47-71. [10.1016/j.icarus.2006.11.016]
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Flasar, F. M., R. Achterberg, B. Conrath, et al. P. Gierasch, V. Kunde, C. Nixon, G. Bjoraker, D. Jennings, P. Romani, A. Simon-Miller, B. Bezard, A. Coustenis, P. Irwin, N. Teanby, J. Brasunas, J. Pearl, M. Segura, R. Carlson, A. Mamoutkine, P. Schinder, A. Barucci, R. Courtin, T. Fouchet, D. Gautier, E. Lellouch, A. Marten, R. Prange, S. Vinatier, D. Strobel, S. Calcutt, P. Read, F. Taylor, N. Bowles, R. Samuelson, G. Orton, L. Spilker, T. Owen, J. Spencer, M. Showalter, C. Ferrari, M. Abbas, F. Raulin, S. Edgington, P. Ade, and E. Wishnow. 2005. Titan's Atmospheric Temperatures, Winds, and Composition Science 308 (5724): 975-978. [10.1126/science.1111150]
Flasar, F. M., R. K. Achterberg, B. J. Conrath, et al. J. C. Pearl, G. L. Bjoraker, D. E. Jennings, P. N. Romani, A. A. Simon-Miller, V. G. Kunde, C. A. Nixon, B. Bezard, G. Orton, L. Spilker, J. R. Spencer, P. G. Irwin, N. A. Teanby, T. Owen, J. C. Brasunas, M. E. Segura, R. C. Carlson, A. A. Mamoutkine, P. Gierasch, P. Schinder, M. Showalter, C. Ferrari, A. Barucci, R. Courtin, A. Coustenis, T. Fouchet, D. Gautier, E. Lellouch, A. Marten, R. Prange, D. Strobel, S. Calcutt, P. Read, F. Taylor, N. Bowles, R. E. Samuelson, M. Abbas, F. Raulin, P. Ade, S. Edgington, S. Pilorz, B. Wallis, and E. Wishnow. 2005. Temperatures, Winds, and Composition in the Saturnian System Science 307 (5713): 1247-1251 [10.1126/science.1105806]
Kunde, V., F. M. Flasar, D. Jennings, et al. B. Bezard, D. Strobel, B. Conrath, C. Nixon, G. Bjoraker, P. Romani, R. Achterberg, A. Simon-Miller, P. Irwin, J. Brasunas, J. Pearl, M. D. Smith, G. Orton, P. Gierasch, L. Spilker, R. Carlson, A. Mamoutkine, S. Calcutt, P. Read, F. Taylor, T. Fouchet, P. Parrish, A. Barucci, R. Courtin, A. Coustenis, D. Gautier, E. Lellouch, A. Marten, R. Prange, Y. Biraud, C. Ferrari, T. Owen, M. Abbas, R. Samuelson, F. Raulin, P. Ade, C. Cesarsky, K. Grossman, and A. Coradini. 2004. Jupiter's Atmospheric Composition from the Cassini Thermal Infrared Spectroscopy Experiment Science 305 (5690): 1582-1586. [10.1126/science.1100240]
Abbas, M. M., A. LeClair, T. Owen, et al. B. J. Conrath, F. M. Flasar, V. G. Kunde, C. A. Nixon, R. K. Achterberg, G. Bjoraker, D. J. Jennings, G. Orton, and P. N. Romani. 2004. The Nitrogen Isotopic Ratio in Jupiter’s Atmosphere from Observations by the Composite Infrared Spectrometer on theCassiniSpacecraft The Astrophysical Journal 602 (2): 1063-1074 [10.1086/381084]
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B. B., P. N. Romani, H. Feuchtgruber, and T. Encrenaz. 1999. Detection of the Methyl Radical on Neptune The Astrophysical Journal 515 868-872
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Monks, P. S., P. N. Romani, F. L. Nesbitt, M. Scanlon, and L. J. Stief. 1993. The kinetics of the formation of nitrile compounds in the atmospheres of Titan and Neptune Journal of Geophysical Research 98 (E9): 17115 [10.1029/93je01789]
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Bézard, B., P. N. Romani, B. J. Conrath, and W. C. Maguire. 1991. Hydrocarbons in Neptune's stratosphere from Voyager infrared observations Journal of Geophysical Research 96 (S01): 18961 [10.1029/91ja01930]
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