Andrew J. Steffl, Ph.D.

2005 University of Colorado, Boulder, Boulder, CO, United States 
Astronomy and Astrophysics
"Andrew Steffl"


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Fran Bagenal grad student 2005 CU Boulder
 (The Io plasma torus during the Cassini encounter with Jupiter: Temporal, radial and azimuthal variations.)
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Keeney BA, Versteeg M, Parker JW, et al. (2020) The Search for MeV Electrons 2–45 au from the Sun with the Alice Instrument Microchannel Plate Detector Aboard New Horizons Arxiv: Instrumentation and Methods For Astrophysics. 4: 61
Caspi A, Seaton DB, Tsang CCC, et al. (2020) A New Facility for Airborne Solar Astronomy: NASA’s WB-57 at the 2017 Total Solar Eclipse The Astrophysical Journal. 895: 131
Stern SA, Weaver HA, Spencer JR, et al. (2019) Initial results from the New Horizons exploration of 2014 MU, a small Kuiper Belt object. Science (New York, N.Y.). 364
Kammer JA, Gladstone GR, Young LA, et al. (2019) New Horizons Observations of an Ultraviolet Stellar Occultation and Appulse by Pluto’s Atmosphere The Astronomical Journal. 159: 26
Pineau JP, Parker JW, Steffl AJ, et al. (2019) Flight Operations and Lessons Learned of the Rosetta Alice Ultraviolet Spectrograph Journal of Spacecraft and Rockets. 56: 801-810
Tsuchiya F, Arakawa R, Misawa H, et al. (2019) Azimuthal Variation in the Io Plasma Torus Observed by the Hisaki Satellite From 2013 to 2016 Journal of Geophysical Research. 124: 3236-3254
Kammer JA, Stern SA, Young LA, et al. (2017) New Horizons Upper Limits on O 2 in Pluto’s Present Day Atmosphere The Astronomical Journal. 154: 55
Nerney EG, Bagenal F, Steffl AJ. (2017) Io plasma torus ion composition: Voyager, Galileo, and Cassini Journal of Geophysical Research. 122: 727-744
Gladstone GR, Stern SA, Ennico K, et al. (2016) The atmosphere of Pluto as observed by New Horizons. Science (New York, N.Y.). 351: aad8866
Feldman PD, A'Hearn MF, Feaga LM, et al. (2016) The nature and frequency of the gas outbursts in comet 67P/Churyumov-Gerasimenko observed by the alice far-ultraviolet spectrograph on Rosetta Astrophysical Journal Letters. 825
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