Constraints on Mars Hydrogen loss from MAVEN: processes and present-day rates

Michael Chaffin1, Justin Deighan2, Ian F Stewart2, Nicholas McCord Schneider3, Jean-Yves Chaufray4, Sonal Jain2, Edward Thiemann5, Majd Mayyasi6, John T Clarke7, Matteo Michael James Crismani8, Arnaud Stiepen2, Franck Montmessin9, Dr. Francis Gerard Eparvier, Ph.D.5, Bill McClintock10, Greg Holsclaw11 and Bruce Martin Jakosky12, (1)University of Colorado Boulder, Laboratory for Atmospheric and Space Physics, Boulder, United States, (2)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (3)Laboratory for Atmospheric and Space Physics, Boulder, United States, (4)LATMOS/IPSL, Guyancourt, France, (5)LASP, University of Colorado at Boulder, Boulder, CO, United States, (6)Boston University, Center for Space Physics, Boston, MA, United States, (7)Boston University, Boston, MA, United States, (8)California State University, Department of Physics and Astronomy, San Bernardino, United States, (9)Laboratoire Atmosphères, Observations Spatiales, IPSL, CNRS, UVSQ, Sorbonne Université, Guyancourt, France, (10)University of Colorado, Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (11)Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, United States, (12)Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, United States