Current Grants

• Post-Cassini Investigations of Titan Atmospheric Chemistry
• Dynamics, Chemistry, and Escape of Titan's Atmosphere
• The Distribution of O2 on Mars from Spicam Occulations
• Cassini INMS Solstice Mission
• Titan Atmosphere Models Working Group (TAMWG)
• Models for the Physical and Chemical Characteristics of Titan's Photochemical Haze

Current Spacecraft Involvement

• Voyager, Ultraviolet Spectrometer, Team Member, 1985-1989
• Champollion, CIRCLE Experiment, Principle Investigator,  1995-1999
• Deep Space 1, MICAS, Team Member, 1997-2000
• Venus Express, VEX Accelerometer Experiment, Team Member
• MAVEN, Co-Investigator, 2008-2015

Former Spacecraft Involvement

• Cassini, Ion Neutral Mass Spectrometer, Team Member, 1992-2017

Student Collaborations/Advising

Former Students

• Sarah Horst, 2011 (Ph.D. PTYS)
• Jun Cui, 2008 (Ph.D. Astronomy)
• Yiping Wang, 1993 (Ph.D. PTYS)

Former Postdocs

• Fayu Jiang
• Hannes Gröller
• Justin Erwin
• Tommi Koskinen
• Panayotis Lavvas
• Jean Masterson
• Darci Snowden
• Véronique Vuitton

Based on Google Scholar and NASA ADS: NASA ADS Author search: Roger V. Yelle

Recent refereed publications: Years 2019 through June 2024

Gupta, S., Yelle, R. V., Schneider, N. M., Jain, S. K., Braude, A. S., Verdier, L., F. Montmessin, H. Nakagawa, M. Mayyasi, J. Deighan, S. M. Curry 2024, Journal of Geophysical Research: Planets. Day/night differences in molecular oxygen in the martian upper atmosphere

Cangi, E. M., Chaffin, M. S., Yelle, R. V., Gregory, B. S., & Deighan, J. 2024, Geophysical Research Letters. Seasonal Enhancement in Upper Atmospheric D/H at Mars Driven by Both Thermospheric Temperature and Mesospheric Water

Cangi, Eryn, Chaffin, Michael, Yelle, Roger, Gregory, Bethan, & Deighan, Justin 2023, Journal of Geophysical Research (Planets). Fully Coupled Photochemistry of the Deuterated Ionosphere of Mars and Its Effects on Escape of H and D

Braude, A. S., Montmessin, F., Schneider, N. M., Gupta, S., Jain, S. K., Lefèvre, F., Määttänen, A., Verdier, L., Flimon, Z., Jiang, F. Y., Yelle, R. V., Deighan, J., & Curry, S. M. 2023, Journal of Geophysical Research (Planets). Seasonal, Latitudinal, and Longitudinal Trends in Nighttime Ozone Vertical Structure on Mars From MAVEN/IUVS Stellar Occultations

Gupta, Sumedha, Yelle, Roger V., Schneider, Nicholas M., Jain, Sonal K., González-Galindo, Francisco, Verdier, Loic, Braude, Ashwin S., Montmessin, Franck, Mayyasi, Majd, Deighan, Justin, & Curry, Shannon 2022, Journal of Geophysical Research (Planets). Thermal Structure of the Martian Upper Mesosphere/Lower Thermosphere From MAVEN/IUVS Stellar Occultations

Serigano, J., Hörst, S. M., He, C., Gautier, T., Yelle, R. V., Koskinen, T. T., Trainer, M. G., & Radke, M. J. 2022, Journal of Geophysical Research (Planets). Compositional Measurements of Saturn's Upper Atmosphere and Rings From Cassini INMS: An Extended Analysis of Measurements From Cassini's Grand Finale Orbits

Stone, Shane W., Yelle, Roger V., Benna, Mehdi, Elrod, Meredith K., & Mahaffy, Paul R. 2022, Journal of Geophysical Research (Planets). Neutral Composition and Horizontal Variations of the Martian Upper Atmosphere From MAVEN NGIMS

Chadney, J. M., Koskinen, T. T., Hu, X., Galand, M., Lavvas, P., Unruh, Y. C., Serigano, J., Hörst, S. M., & Yelle, R. V. 2022, Icarus. Energy deposition in Saturn's equatorial upper atmosphere

Lo, Daniel Y., Yelle, Roger V., Deighan, Justin I., Jain, Sonal K., Evans, J. Scott, Stevens, Michael H., Ajello, Joseph M., Mayyasi, Majd A., & Schneider, Nicholas M. 2022, Icarus. MAVEN/IUVS observations of C I 156.1 nm and 165.7 nm dayglow: Direct detection of carbon and implications on photochemical escape

Hanley, K. G., McFadden, J. P., Mitchell, D. L., Fowler, C. M., Stone, S. W., Yelle, R. V., Mayyasi, M., Ergun, R. E., Andersson, L., Benna, M., Elrod, M. K., & Jakosky, B. M. 2021, Journal of Geophysical Research (Space Physics). In Situ Measurements of Thermal Ion Temperature in the Martian Ionosphere

Ergun, R. E., Andersson, L. A., Fowler, C. M., Thaller, S. A., & Yelle, R. V. 2021, Geophysical Research Letters. In-Situ Measurements of Electron Temperature and Density in Mars' Dayside Ionosphere

Yelle, Roger V., Koskinen, T. T., & Palmer, M. Y. 2021, Icarus. Titan occultations of Orion's belt observed with Cassini/UVIS

Mahieux, A., Yelle, R. V., Yoshida, N., Robert, S., Piccialli, A., Nakagawa, H., Kasaba, Y., Mills, F. P., & Vandaele, A. C. 2021, Icarus. Determination of the Venus eddy diffusion profile from CO and CO<SUB>2</SUB> profiles using SOIR/Venus Express observations

Chaufray, J. -Y., Gonzalez-Galindo, F., Lopez-Valverde, M. A., Forget, F., Quémerais, E., Bertaux, J. -L., Montmessin, F., Chaffin, M., Schneider, N., Clarke, J. T., Leblanc, F., Modolo, R., & Yelle, R. V. 2021, Icarus. Study of the hydrogen escape rate at Mars during martian years 28 and 29 from comparisons between SPICAM/Mars express observations and GCM-LMD simulations

Lo, D. Y., Yelle, R. V., Lillis, R. J., Deighan, J. I. 2021, Icarus Carbon photochemical escape rates from the modern Mars atmosphere

Lo, Daniel Y., Yelle, Roger V., & Lillis, Robert J. 2020, Icarus. Carbon photochemistry at Mars: Updates with recent data

Stone, Shane W., Yelle, Roger V., Benna, Mehdi, Lo, Daniel Y., Elrod, Meredith K., & Mahaffy, Paul R. 2020, Science. Hydrogen escape from Mars is driven by seasonal and dust storm transport of water

Koskinen, T. T., Sandel, B. R., Yelle, R. V., Holsclaw, G. M., & Quemerais, E. 2020, Icarus. Corrigendum to "Saturn in Lyman α: A comparison of Cassini and Voyager observations" [Icarus 339 (2020) 113594]

Nakagawa, Hiromu, Terada, Naoki, Jain, Sonal K., Schneider, Nicholas M., Montmessin, Franck, Yelle, Roger V., Jiang, Fayu, Verdier, Loic, England, Scott L., Seki, Kanako, Fujiwara, Hitoshi, Imamura, Takeshi, Yoshida, Nao, Kuroda, Takeshi, Terada, Kaori, Gröller, Hannes, Deighan, Justin, & Jakosky, Bruce M. 2020, Journal of Geophysical Research (Planets). Vertical Propagation of Wave Perturbations in the Middle Atmosphere on Mars by MAVEN/IUVS

Serigano, J., Hörst, S. M., He, C., Gautier, T., Yelle, R. V., Koskinen, T. T., & Trainer, M. G. 2020, Journal of Geophysical Research (Planets). Compositional Measurements of Saturn's Upper Atmosphere and Rings from Cassini INMS

Wu, X. -S., Cui, J., Yelle, R. V., Cao, Y. -T., He, Z. -G., He, F., & Wei, Y. 2020, Journal of Geophysical Research (Planets). Photoelectrons as a Tracer of Planetary Atmospheric Composition: Application to CO on Mars

Vriesema, J. W., Koskinen, T. T., & Yelle, R. V. 2020, Icarus. Electrodynamics in Saturn's thermosphere at low and middle latitudes

Koskinen, T. T., Sandel, B. R., Yelle, R. V., Holsclaw, G. M., & Quemerais, E. 2020, Icarus. Saturn in Lyman α: A comparison of Cassini and Voyager observations

Bhattacharyya, D., Chaufray, J. Y., Mayyasi, M., Clarke, J. T., Stone, S., Yelle, R. V., Pryor, W., Bertaux, J. L., Deighan, J., Jain, S. K., & Schneider, N. M. 2020, Icarus. Two-dimensional model for the martian exosphere: Applications to hydrogen and deuterium Lyman α observations

Peterson, W. K., Andersson, L., Ergun, R., Thiemann, Ed, Pilinski, Marcin, Thaller, S., Fowler, C., Mitchell, D., Benna, M., Yelle, R., & Stone, Shane 2020, Journal of Geophysical Research (Space Physics). Subsolar Electron Temperatures in the Lower Martian Ionosphere

Nakagawa, Hiromu, Jain, Sonal K., Schneider, Nicholas M., Montmessin, Franck, Yelle, Roger V., Jiang, Fayu, Verdier, Loic, Kuroda, Takeshi, Yoshida, Nao, Fujiwara, Hitoshi, Imamura, Takeshi, Terada, Naoki, Terada, Kaori, Seki, Kanako, Gröller, Hannes, & Deighan, Justin I. 2020, Geophysical Research Letters. A Warm Layer in the Nightside Mesosphere of Mars

Siddle, A. G., Mueller-Wodarg, I. C. F., Stone, S. W., & Yelle, R. V. 2019, Icarus. Global characteristics of gravity waves in the upper atmosphere of Mars as measured by MAVEN/NGIMS

Lian, Yuan & Yelle, Roger V. 2019, Icarus. Damping of gravity waves by kinetic processes in Jupiter's thermosphere

Jiang, F. Y., Yelle, Roger V., Jain, S. K., Cui, J., Montmessin, F., Schneider, N. M., Deighan, J., Gröller, H., & Verdier, L. 2019, Geophysical Research Letters. Detection of Mesospheric CO<SUB>2</SUB> Ice Clouds on Mars in Southern Summer

Vuitton, V., Yelle, R. V., Klippenstein, S. J., Hörst, S. M., & Lavvas, P. 2019, Icarus. Simulating the density of organic species in the atmosphere of Titan with a coupled ion-neutral photochemical model

Cui, J., Cao, Y. -T., Wu, X. -S., Xu, S. -S., Yelle, R. V., Stone, S., Vigren, E., Edberg, N. J. T., Shen, C. -L., He, F., & Wei, Y. 2019, The Astrophysical Journal. Evaluating Local Ionization Balance in the Nightside Martian Upper Atmosphere during MAVEN Deep Dip Campaigns

Vandaele, Ann Carine, Korablev, Oleg, Daerden, Frank, Aoki, Shohei, Thomas, Ian R., Altieri, Francesca, López-Valverde, Miguel, Villanueva, Geronimo, Liuzzi, Giuliano, Smith, Michael D., Erwin, Justin T., Trompet, Loïc, Fedorova, Anna A., Montmessin, Franck, Trokhimovskiy, Alexander, Belyaev, Denis A., Ignatiev, Nikolay I., Luginin, Mikhail, Olsen, Kevin S., Baggio, Lucio, Alday, Juan, Bertaux, Jean-Loup, Betsis, Daria, Bolsée, David, Clancy, R. Todd, Cloutis, Edward, Depiesse, Cédric, Funke, Bernd, Garcia-Comas, Maia, Gérard, Jean-Claude, Giuranna, Marco, Gonzalez-Galindo, Francisco, Grigoriev, Alexey V., Ivanov, Yuriy S., Kaminski, Jacek, Karatekin, Ozgur, Lefèvre, Franck, Lewis, Stephen, López-Puertas, Manuel, Mahieux, Arnaud, Maslov, Igor, Mason, Jon, Mumma, Michael J., Neary, Lori, Neefs, Eddy, Patrakeev, Andrey, Patsaev, Dmitry, Ristic, Bojan, Robert, Séverine, Schmidt, Frédéric, Shakun, Alexey, Teanby, Nicholas A., Viscardy, Sébastien, Willame, Yannick, Whiteway, James, Wilquet, Valérie, Wolff, Michael J., Bellucci, Giancarlo, Patel, Manish R., López-Moreno, Jose-Juan, Forget, François, Wilson, Colin F., Svedhem, Håkan, Vago, Jorge L., Rodionov, Daniel, NOMAD Science Team, Vandaele, Ann Carine, López-Moreno, Jose-Juan, Bellucci, Giancarlo, Patel, Manish R., Alonso-Rodrigo, Gustavo, Aoki, Shohei, Altieri, Francesca, Bauduin, Sophie, Bolsée, David, Carrozzo, Giacomo, Clancy, R. Todd, Cloutis, Edward, Crismani, Matteo, Daerden, Frank, da Pieve, Fabiana, D'Aversa, Emiliano, Depiesse, Cédric, Erwin, Justin T., Etiope, Giuseppe, Fedorova, Anna A., Funke, Bernd, Fussen, Didier, Garcia-Comas, Maia, Geminale, Anna, Gérard, Jean-Claude, Giuranna, Marco, Gkouvelis, Leo, Gonzalez-Galindo, Francisco, Holmes, James, Hubert, Benoît, Ignatiev, Nicolay I., Kaminski, Jacek, Karatekin, Ozgur, Kasaba, Yasumasa, Kass, David, Kleinböhl, Armin, Lanciano, Orietta, Lefèvre, Franck, Lewis, Stephen, Liuzzi, Giuliano, López-Puertas, Manuel, López-Valverde, Miguel, Mahieux, Arnaud, Mason, Jon, Mumma, Michael J., Nakagawa, Hiromu, Neary, Lori, Neefs, Eddy, Novak, Robert E., Oliva, Fabrizio, Piccialli, Arianna, Renotte, Etienne, Ritter, Birgit, Robert, Séverine, Schmidt, Frédéric, Schneider, Nick, Sindoni, Giuseppe, Smith, Michael D., Teanby, Nicholas A., Thiemann, Ed, Thomas, Ian R., Trokhimovskiy, Alexander, Trompet, Loïc, Vander Auwera, Jean, Villanueva, Geronimo, Viscardy, Sébastien, Whiteway, James, Wilquet, Valerie, Willame, Yannick, Wolff, Michael J., Wolkenberg, Paulina, Yelle, Roger, ACS Science Team, Alday, Juan, Altieri, Francesca, Anufreychik, Konstantin, Arnold, Gabriele, Baggio, Lucio, Belyaev, Denis A., Bertaux, Jean-Loup, Duxbury, Natalia, Fedorova, Anna A., Forget, François, Fouchet, Thierry, Grassi, Davide, Grigoriev, Alexey V., Guerlet, Sandrine, Hartogh, Paul, Ignatiev, Nikolay I., Kasaba, Yasumasa, Khatuntsev, Igor, Kokonkov, Nikita, Korablev, Oleg, Krasnopolsky, Vladimir, Kuzmin, Ruslan, Lacombe, Gaétan, Lefèvre, Franck, Lellouch, Emmanuel, López-Valverde, Miguel, Maslov, Igor, Luginin, Mikhail, Määttänen, Anni, Marcq, Emmanuel, Martin-Torres, Javier, Medvedev, Alexander, Millour, Ehouarn, Montmessin, Franck, Moshkin, Boris, Olsen, Kevin S., Patel, Manish R., Patrakeev, Andrey, Patsaev, Dmitry, Quantin-Nataf, Cathy, Rodionov, Daniel, Rodin, Alexander, Shakun, Alexey, Shematovich, Valery, Thomas, Ian R., Thomas, Nicolas, Trokhimovsky, Alexander, Vazquez, Luis, Vincendon, Matthieu, Wilquet, Valérie, Wilson, Colin F., Young, Roland, Zasova, Ludmila, Zelenyi, Lev, & Zorzano, Maria Paz 2019, Nature. Martian dust storm impact on atmospheric H<SUB>2</SUB>O and D/H observed by ExoMars Trace Gas Orbiter

Korablev, Oleg, Avandaele, Ann Carine, Montmessin, Franck, Fedorova, Anna A., Trokhimovskiy, Alexander, Forget, François, Lefèvre, Franck, Daerden, Frank, Thomas, Ian R., Trompet, Loïc, Erwin, Justin T., Aoki, Shohei, Robert, Séverine, Neary, Lori, Viscardy, Sébastien, Grigoriev, Alexey V., Ignatiev, Nikolay I., Shakun, Alexey, Patrakeev, Andrey, Belyaev, Denis A., Bertaux, Jean-Loup, Olsen, Kevin S., Baggio, Lucio, Alday, Juan, Ivanov, Yuriy S., Ristic, Bojan, Mason, Jon, Willame, Yannick, Depiesse, Cédric, Hetey, Laszlo, Berkenbosch, Sophie, Clairquin, Roland, Queirolo, Claudio, Beeckman, Bram, Neefs, Eddy, Patel, Manish R., Bellucci, Giancarlo, López-Moreno, Jose-Juan, Wilson, Colin F., Etiope, Giuseppe, Zelenyi, Lev, Svedhem, Håkan, Vago, Jorge L., ACS Science Team, NOMAD Science Team, Alonso-Rodrigo, Gustavo, Altieri, Francesca, Anufreychik, Konstantin, Arnold, Gabriele, Bauduin, Sophie, Bolsée, David, Carrozzo, Giacomo, Clancy, R. Todd, Cloutis, Edward, Crismani, Matteo, da Pieve, Fabiana, D'Aversa, Emiliano, Duxbury, Natalia, Encrenaz, Therese, Fouchet, Thierry, Funke, Bernd, Fussen, Didier, Garcia-Comas, Maia, Gérard, Jean-Claude, Giuranna, Marco, Gkouvelis, Leo, Gonzalez-Galindo, Francisco, Grassi, Davide, Guerlet, Sandrine, Hartogh, Paul, Holmes, James, Hubert, Benoît, Kaminski, Jacek, Karatekin, Ozgur, Kasaba, Yasumasa, Kass, David, Khatuntsev, Igor, Kleinböhl, Armin, Kokonkov, Nikita, Krasnopolsky, Vladimir, Kuzmin, Ruslan, Lacombe, Gaétan, Lanciano, Orietta, Lellouch, Emmanuel, Lewis, Stephen, Luginin, Mikhail, Liuzzi, Giuliano, López-Puertas, Manuel, López-Valverde, Miguel, Määttänen, Anni, Mahieux, Arnaud, Marcq, Emmanuel, Martin-Torres, Javier, Maslov, Igor, Medvedev, Alexander, Millour, Ehouarn, Moshkin, Boris, Mumma, Michael J., Nakagawa, Hiromu, Novak, Robert E., Oliva, Fabrizio, Patsaev, Dmitry, Piccialli, Arianna, Quantin-Nataf, Cathy, Renotte, Etienne, Ritter, Birgit, Rodin, Alexander, Schmidt, Frédéric, Schneider, Nick, Shematovich, Valery, Smith, Michael D., Teanby, Nicholas A., Thiemann, Ed, Thomas, Nicolas, Vander Auwera, Jean, Vazquez, Luis, Villanueva, Geronimo, Vincendon, Matthieu, Whiteway, James, Wilquet, Valérie, Wolff, Michael J., Wolkenberg, Paulina, Yelle, Roger, Young, Roland, Zasova, Ludmila, & Zorzano, Maria Paz 2019, Nature. No detection of methane on Mars from early ExoMars Trace Gas Orbiter observations

Wu, X. -S., Cui, J., Xu, S. S., Lillis, R. J., Yelle, R. V., Edberg, N. J. T., Vigren, E., Rong, Z. -J., Fan, K., Guo, J. -P., Cao, Y. -T., Jiang, F. -Y., Wei, Y., & Mitchell, D. L. 2019, Journal of Geophysical Research (Planets). The Morphology of the Topside Martian Ionosphere: Implications on Bulk Ion Flow

Mayyasi, Majd, Clarke, J., Bhattacharyya, D., Chaufray, J. Y., Benna, M., Mahaffy, P., Stone, S., Yelle, R., Thiemann, E., Chaffin, M., Deighan, J., Jain, S., Schneider, N., & Jakosky, B. 2019, Journal of Geophysical Research (Space Physics). Seasonal Variability of Deuterium in the Upper Atmosphere of Mars

Müller-Wodarg, I. C. F., Koskinen, T. T., Moore, L., Serigano, J., Yelle, R. V., Hörst, S., Waite, J. H., & Mendillo, M. 2019, Geophysical Research Letters. Atmospheric Waves and Their Possible Effect on the Thermal Structure of Saturn's Thermosphere

View LPL Evening Lecture from September 10, 2014, A Comet Approaches Mars