O($^3P$)+CO$_2$ scattering cross sections at superthermal collision energies for planetary aeronomy

Authors: Gacesa, Marko, Lillis, Robert J., Zahnle, Kevin J.

Source: Monthly Notices of the Royal Astronomical Society 491 (4), 5650-5659 (2020)

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Atomic Physics, 81U35, 85A20

Access URL: http://arxiv.org/abs/1906.11368

Carbon photochemical escape rates from the modern Mars atmosphere

Authors: Lo, Daniel Y., Yelle, Roger V., Lillis, Robert J., Deighan, Justin I.

Source: In Icarus 15 May 2021 360

Study of Variation Mechanisms of the Martian Diffuse Aurora Based on Monte Carlo Simulations and MAVEN Observations.

Authors: Okiyama, Taishin¹ (AUTHOR) t.okiyama@eps.s.u-tokyo.ac.jp, Seki, Kanako¹ (AUTHOR), Nakamura, Yuki¹ (AUTHOR), Lillis, Robert J.² (AUTHOR), Rahmati, Ali² (AUTHOR), Larson, Davin E.² (AUTHOR), DiBraccio, Gina A.³ (AUTHOR), Schneider, Nicholas M.⁴ (AUTHOR), Jain, Sonal K.⁴ (AUTHOR), Sakata, Ryoya⁵ (AUTHOR), Curry, Shannon⁴ (AUTHOR)

Source: Journal of Geophysical Research. Space Physics. Feb2025, Vol. 130 Issue 2, p1-17. 17p.

Subject Terms: Magnetic field effects, Magnetic flux density, Solar energetic particles, Magnetic structure, Monte Carlo method

Carbon photochemistry at Mars: Updates with recent data

Authors: Lo, Daniel Y., Yelle, Roger V., Lillis, Robert J.

Source: In Icarus December 2020 352

The Need for Near-Earth Multi-Spacecraft Heliospheric Measurements and an Explorer Mission to Investigate Interplanetary Structures and Transients in the Near-Earth Heliosphere.

Authors: Lugaz, Noé, Lee, Christina O., Al-Haddad, Nada, Lillis, Robert J., Jian, Lan K., Curtis, David W., Galvin, Antoinette B., Whittlesey, Phyllis L., Rahmati, Ali, Zesta, Eftyhia, Moldwin, Mark, Summerlin, Errol J., Larson, Davin E., Courtade, Sasha, French, Richard, Hunter, Richard, Covitti, Federico, Cosgrove, Daniel, Prall, J. D., Allen, Robert C.

Source: Space Science Reviews; Oct2024, Vol. 220 Issue 7, p1-27, 27p

Subject Terms: SPACE environment, CORONAL mass ejections, SOLAR oscillations, HELIOSPHERE, WEATHER forecasting, SOLAR wind

EMM EMUS Observations of FUV Aurora on Mars: Dependence on Magnetic Topology, Local Time, and Season.

Authors: Chirakkil, Krishnaprasad^1,2 (AUTHOR) kpchirakkil@gmail.com, Lillis, Robert J.³ (AUTHOR), Deighan, Justin¹ (AUTHOR), Chaffin, Michael S.¹ (AUTHOR), Jain, Sonal K.¹ (AUTHOR), Brain, David A.¹ (AUTHOR), Fillingim, Matthew O.³ (AUTHOR), Susarla, Raghuram^1,2 (AUTHOR), Holsclaw, Greg¹ (AUTHOR), Fang, Xiaohua¹ (AUTHOR), Schneider, Nick M.¹ (AUTHOR), AlMazmi, Hoor⁴ (AUTHOR), AlMatroushi, Hessa⁵ (AUTHOR), Gacesa, Marko⁶ (AUTHOR), El‐Kork, Nayla^2,6 (AUTHOR), Thiemann, Ed¹ (AUTHOR), Halekas, Jasper S.⁷ (AUTHOR)

Source: Journal of Geophysical Research. Planets. Jun2024, Vol. 129 Issue 6, p1-20. 20p.

Subject Terms: Thermosphere, Auroras, Space environment, Coronal mass ejections, Mars (Planet), Solar cycle

Sinuous Aurora at Mars: A Link to the Tail Current Sheet?

Authors: Lillis, Robert J.¹ (AUTHOR) rlillis@berkeley.edu, Deighan, Justin² (AUTHOR), Chirakkil, Krishnaprasad^2,3 (AUTHOR), Jain, Sonal² (AUTHOR), Fillingim, Matthew¹ (AUTHOR), Chaffin, Michael² (AUTHOR), Holsclaw, Greg² (AUTHOR), Susarla, Raghuram^2,3 (AUTHOR), Brain, David² (AUTHOR), Al Matroushi, Hessa⁴ (AUTHOR), Lootah, Fatma⁴ (AUTHOR), Al Mazmi, Hoor⁵ (AUTHOR), Dong, Yaxue² (AUTHOR), Schneider, Nick² (AUTHOR), Azari, Abigail⁶ (AUTHOR), Ramstad, Robin² (AUTHOR), Nauth, Murti¹ (AUTHOR), Ma, Yingjuan⁷ (AUTHOR), Halekas, Jasper⁸ (AUTHOR), Espley, Jared⁹ (AUTHOR)

Source: Journal of Geophysical Research. Space Physics. Jun2024, Vol. 129 Issue 6, p1-15. 15p.

Subject Terms: Current sheets, Interplanetary magnetic fields, Solar wind, Convection (Astrophysics), Mars (Planet), Auroras

Discrete aurora and the nightside ionosphere of Mars: an EMM–MEX conjunction of FUV imaging, ionospheric radar sounding, and suprathermal electron measurements.

Authors: Harada, Yuki, Fujiwara, Yuka, Lillis, Robert J., Deighan, Justin, Nakagawa, Hiromu, Sánchez-Cano, Beatriz, Lester, Mark, Futaana, Yoshifumi, Holmström, Mats, Frahm, Rudy A.

Source: Earth, Planets & Space; 5/6/2024, Vol. 76 Issue 1, p1-11, 11p

Subject Terms: IONOSPHERE, MARS (Planet), GROUND penetrating radar, AURORAS, ELECTRONS, ECHO

EMM EMUS Observations of Hot Oxygen Corona at Mars: Radial Distribution and Temporal Variability.

Authors: Chirakkil, Krishnaprasad^1,2,3 (AUTHOR) krishnaprasad.chirakkil@lasp.colorado.edu, Deighan, Justin¹ (AUTHOR), Chaffin, Michael S.¹ (AUTHOR), Jain, Sonal K.¹ (AUTHOR), Lillis, Robert J.³ (AUTHOR), Raghuram, Susarla^1,2 (AUTHOR), Holsclaw, Greg¹ (AUTHOR), Brain, David A.¹ (AUTHOR), Thiemann, Ed¹ (AUTHOR), Chamberlin, Phil¹ (AUTHOR), Fillingim, Matthew O.³ (AUTHOR), Evans, J. Scott⁴ (AUTHOR), England, Scott⁵ (AUTHOR), AlMatroushi, Hessa⁶ (AUTHOR), AlMazmi, Hoor⁷ (AUTHOR), Eparvier, Frank¹ (AUTHOR), Gacesa, Marko⁸ (AUTHOR), El‐Kork, Nayla^2,8 (AUTHOR), Curry, Shannon M.^1,3 (AUTHOR)

Source: Journal of Geophysical Research. Space Physics. Mar2024, Vol. 129 Issue 3, p1-14. 14p.

Subject Terms: *Oxygen, Rotation of the Sun, Mars (Planet), Solar cycle, Solar oscillations, Solar corona, Atmospheric oxygen, Ultraviolet spectrometers

Properties of a large-scale flux rope and current sheet region on the dayside of Mars: MGS MAG/ER and MEX ASPERA-3 ELS observations

Authors: Soobiah, Yasir I.J., Wild, James A., Beharrell, Mathew J., Barabash, Stas, Lillis, Robert J., Mitchell, David L., Coates, Andrew J., Winningham, J. David, Frahm, Rudy A.

Source: In Icarus 1 November 2014 242:297-315

Large impact crater histories of Mars: The effect of different model crater age techniques

Authors: Robbins, Stuart J., Hynek, Brian M., Lillis, Robert J., Bottke, William F.

Source: In Icarus July 2013 225(1):173-184

Magnetic anomalies near Apollinaris Patera and the Medusae Fossae Formation in Lucus Planum, Mars

Authors: Hood, Lon L., Harrison, Keith P., Langlais, Benoit, Lillis, Robert J., Poulet, Francois, Williams, David A.

Source: In Icarus 2010 208(1):118-131

An improved crustal magnetic field map of Mars from electron reflectometry: Highland volcano magmatic history and the end of the martian dynamo

Authors: Lillis, Robert J., Frey, Herbert V., Manga, Michael, Mitchell, David L., Lin, Robert P., Acuña, Mario H., Bougher, Stephen W.

Source: In Icarus 2008 194(2):575-596

Continuous monitoring of nightside upper thermospheric mass densities in the martian southern hemisphere over 4 martian years using electron reflectometry

Authors: Lillis, Robert J., Bougher, Stephen W., Mitchell, David L., Brain, David A., Lin, Robert P., Acuña, Mario H.

Source: In Icarus 2008 194(2):562-574

Electron reflectometry in the martian atmosphere

Authors: Lillis, Robert J., Mitchell, David L., Lin, Robert P., Acuña, Mario H.

Source: In Icarus 2008 194(2):544-561

East–west trending magnetic anomalies in the Southern Hemisphere of Mars: Modeling analysis and interpretation

Authors: Hood, Lon L., Richmond, Nicola C., Harrison, Keith P., Lillis, Robert J.

Source: In Icarus 2007 191(1):113-131

Nightside Auroral Electrons at Mars: Upstream Drivers and Ionospheric Impact.

Authors: Xu, Shaosui¹ (AUTHOR) shaosui.xu@ssl.berkeley.edu, Mitchell, David L.¹ (AUTHOR), McFadden, James P.¹ (AUTHOR), Fowler, Christopher M.² (AUTHOR), Hanley, Kathleen¹ (AUTHOR), Weber, Tristan³ (AUTHOR), Brain, David A.⁴ (AUTHOR), DiBraccio, Gina A.³ (AUTHOR), Liemohn, Michael W.⁵ (AUTHOR), Lillis, Robert J.¹ (AUTHOR), Halekas, Jasper S.⁶ (AUTHOR), Ruhunusiri, Suranga⁶ (AUTHOR), Andersson, Laila⁴ (AUTHOR), Mazelle, Christian⁷ (AUTHOR), Curry, Shannon M.¹ (AUTHOR)

Source: Journal of Geophysical Research. Space Physics. Sep2022, Vol. 127 Issue 9, p1-14. 14p.

Subject Terms: Electron distribution, Interplanetary magnetic fields, Magnetic flux density, Electrons, Impact ionization

First Synoptic Images of FUV Discrete Aurora and Discovery of Sinuous Aurora at Mars by EMM EMUS.

Authors: Lillis, Robert J.¹ (AUTHOR) rlillis@ssl.berkeley.edu, Deighan, Justin² (AUTHOR), Brain, David² (AUTHOR), Fillingim, Matthew¹ (AUTHOR), Jain, Sonal² (AUTHOR), Chaffin, Michael² (AUTHOR), England, Scott³ (AUTHOR), Holsclaw, Greg² (AUTHOR), Chirakkil, Krishnaprasad^2,4 (AUTHOR), Al Matroushi, Hessa⁵ (AUTHOR), Lootah, Fatma⁵ (AUTHOR), Al Mazmi, Hoor⁶ (AUTHOR), Thiemann, Ed² (AUTHOR), Eparvier, Frank² (AUTHOR), Schneider, Nick² (AUTHOR), Curry, Shannon¹ (AUTHOR)

Source: Geophysical Research Letters. 8/28/2022, Vol. 49 Issue 16, p1-9. 9p.

Subject Terms: *MARTIAN atmosphere, *AURORAS, *SPACE environment, *CURRENT sheets, *SOLAR wind, *MAGNETIC fields

Empirically Determined Auroral Electron Events at Mars—MAVEN Observations.

Authors: Xu, Shaosui, Mitchell, David L., McFadden, James P., Schneider, Nicholas M., Milby, Zachariah, Jain, Sonal, Weber, Tristan, Brain, David A., DiBraccio, Gina A., Halekas, Jasper, Ruhunusiri, Suranga, Mazelle, Christian, Lillis, Robert J., Johnston, Ben

Source: Geophysical Research Letters; 3/28/2022, Vol. 49 Issue 6, p1-10, 10p

Subject Terms: AURORAS, EARTH (Planet), MARS (Planet), ELECTRON sources, JUPITER (Planet), MARTIAN atmosphere

Ionization Efficiency in the Dayside Ionosphere of Mars: Structure and Variability.

Authors: Lillis, Robert J.¹ rlillis@berkeley.edu, Xu, Shaosui¹, Mitchell, David¹, Thiemann, Ed², Eparvier, Frank², Benna, Mehdi³, Elrod, Meredith^3,4

Source: Journal of Geophysical Research. Planets. Dec2021, Vol. 126 Issue 12, p1-15. 15p.

Subject Terms: Ionization (Atomic physics), Photoelectrons, Photoionization, Planetary ionospheres, Mars (Planet)