NASA Goddard Space Flight Center, Code 614, Greenbelt, MD, USA

Laboratory for Atmospheric and Space Physics and Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA

Laboratory for Atmospheric and Space Physics and Department of Atmospheric and Oceanic Sciences, University of Colorado, Boulder, CO, USA

Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA

NASA Goddard Space Flight Center, Code 614, Greenbelt, MD, USA

Science Systems and Applications, Inc., Lanham, MD, USA

Instituto de-Astrofisica de Andalucia, CSIC, Granada, Spain

Instituto de-Astrofisica de Andalucia, CSIC, Granada, Spain

Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, USA

Department of Chemistry, University of York, York, UK