M
Michael L. Stevens
Researcher at Smithsonian Astrophysical Observatory
Publications - 269
Citations - 8338
Michael L. Stevens is an academic researcher from Smithsonian Astrophysical Observatory. The author has contributed to research in topics: Solar wind & Heliosphere. The author has an hindex of 41, co-authored 224 publications receiving 5540 citations. Previous affiliations of Michael L. Stevens include Massachusetts Institute of Technology & Harvard University.
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Journal ArticleDOI
Solar Wind Electrons Alphas and Protons (SWEAP) Investigation: Design of the Solar Wind and Coronal Plasma Instrument Suite for Solar Probe Plus
Justin C. Kasper,Justin C. Kasper,R. Abiad,Gerry Austin,Marianne Balat-Pichelin,Stuart D. Bale,John W. Belcher,Peter Berg,Henry Bergner,Matthieu Berthomier,Jay Bookbinder,Etienne Brodu,David Caldwell,Anthony W. Case,Benjamin D. G. Chandran,Peter Cheimets,Jonathan Cirtain,Steven R. Cranmer,D. W. Curtis,Peter Daigneau,Greg Dalton,Brahmananda Dasgupta,David DeTomaso,M. Diaz-Aguado,Blagoje Djordjevic,Bill Donaskowski,Michael Effinger,Vladimir Florinski,N. J. Fox,Mark D. Freeman,Dennis L. Gallagher,S. Peter Gary,T. Gauron,Richard Gates,M. L. Goldstein,Leon Golub,D. Gordon,R. S. Gurnee,Giora Guth,Jasper Halekas,Ken Hatch,Jacob Heerikuisen,George C. Ho,Qiang Hu,Greg Johnson,Steven P. Jordan,Kelly E. Korreck,Davin Larson,Alan J. Lazarus,Gang Li,Roberto Livi,Michael Ludlam,Milan Maksimovic,James P. McFadden,William Marchant,B. Maruca,David J. McComas,David J. McComas,Luciana Messina,Tony Mercer,Sang Park,Andrew M. Peddie,Nikolai V. Pogorelov,Matthew J. Reinhart,John D. Richardson,M. S. Robinson,Irene Rosen,Ruth M. Skoug,Amanda Slagle,John T. Steinberg,Michael L. Stevens,Adam Szabo,E. Taylor,Chris Tiu,Paul Turin,Marco Velli,G. M. Webb,Phyllis Whittlesey,K. H. Wright,S. T. Wu,Gary P. Zank +80 more
TL;DR: The Solar Wind Electrons Alphas and Protons (SWEAP) Investigation on Solar Probe Plus is a four sensor instrument suite that provides complete measurements of the electrons and ionized helium and hydrogen that constitute the bulk of solar wind and coronal plasma.
Journal ArticleDOI
Highly structured slow solar wind emerging from an equatorial coronal hole
Stuart D. Bale,Samuel T. Badman,John W. Bonnell,Trevor A. Bowen,David Burgess,Anthony W. Case,Cynthia A Cattell,Benjamin D. G. Chandran,C. C. Chaston,Christopher H. K. Chen,James Drake,T. Dudok de Wit,Jonathan Eastwood,Robert E. Ergun,William M. Farrell,C. Fong,Keith Goetz,Melvyn L. Goldstein,Melvyn L. Goldstein,Katherine Goodrich,Peter Harvey,Timothy S. Horbury,Gregory G. Howes,Justin C. Kasper,Justin C. Kasper,Paul J. Kellogg,James A. Klimchuk,Kelly E. Korreck,Vladimir Krasnoselskikh,Säm Krucker,Säm Krucker,R. Laker,Davin Larson,Robert J. MacDowall,Milan Maksimovic,David M. Malaspina,J. C. Martínez-Oliveros,D. J. McComas,Nicole Meyer-Vernet,Michel Moncuquet,F. S. Mozer,Tai Phan,Marc Pulupa,N.-E. Raouafi,Chadi Salem,David Stansby,Michael L. Stevens,Adam Szabo,Marco Velli,T. Woolley,John R. Wygant +50 more
TL;DR: Measurements from the Parker Solar Probe show that slow solar wind near the Sun’s equator originates in coronal holes, and plasma-wave measurements suggest the existence of electron and ion velocity-space micro-instabilities that are associated with plasma heating and thermalization processes.
Journal ArticleDOI
Alfvénic velocity spikes and rotational flows in the near-Sun solar wind
Justin C. Kasper,Justin C. Kasper,Stuart D. Bale,Stuart D. Bale,John W. Belcher,Matthieu Berthomier,Anthony W. Case,Benjamin D. G. Chandran,D. W. Curtis,Dennis L. Gallagher,S. P. Gary,Leon Golub,Jasper Halekas,Georges Ho,Timothy S. Horbury,Qiang Hu,Jia Huang,Katja Klein,Kelly E. Korreck,Davin Larson,Roberto Livi,Bennett A. Maruca,Benoit Lavraud,Philippe Louarn,Milan Maksimovic,Mihailo M. Martinović,D. McGinnis,Nikolai V. Pogorelov,John D. Richardson,Ruth M. Skoug,John T. Steinberg,Michael L. Stevens,Adam Szabo,Marco Velli,Phyllis Whittlesey,K. H. Wright,Gary P. Zank,Robert J. MacDowall,David J. McComas,Ralph L. McNutt,Marc Pulupa,N.-E. Raouafi,Nathan A. Schwadron +42 more
TL;DR: Observations of solar-wind plasma at heliocentric distances of about 35 solar radii reveal an increasing rotational component to the flow velocity of the solar wind around the Sun, peaking at 35 to 50 kilometres per second—considerably above the amplitude of the waves.
Journal ArticleDOI
Loss of the Martian atmosphere to space: Present-day loss rates determined from MAVEN observations and integrated loss through time
Bruce M. Jakosky,David Brain,Michael Chaffin,Shannon Curry,Justin Deighan,Joseph M. Grebowsky,Jasper Halekas,François Leblanc,Robert Lillis,Janet G. Luhmann,Laila Andersson,Nicolas André,David Andrews,Darren Baird,Daniel N. Baker,Jared Bell,Mehdi Benna,Dolon Bhattacharyya,Stephen W. Bougher,C. F. Bowers,Phillip C. Chamberlin,Jean-Yves Chaufray,John Clarke,Glyn Collinson,Michael R. Combi,John E. P. Connerney,Kyle Connour,J. Correira,Kyle Crabb,F. J. Crary,Thomas E. Cravens,Matteo Crismani,G. T. Delory,R. M. Dewey,Gina A. DiBraccio,Chuanfei Dong,Yaxue Dong,P. Dunn,Hilary Egan,Meredith Elrod,Scott L. England,Frank Eparvier,Robert E. Ergun,Anders Eriksson,T. M. Esman,Jared Espley,Scott Evans,K. Fallows,Xiaohua Fang,Matthew Fillingim,Casey L. Flynn,A. Fogle,Christopher M. Fowler,Jane L. Fox,Masaki Fujimoto,Philippe Garnier,Zachary Girazian,Hannes Groeller,J. R. Gruesbeck,O. Q. Hamil,K. G. Hanley,Takuya Hara,Yuki Harada,Jacob Hermann,Mika Holmberg,Greg Holsclaw,S. Houston,S. Inui,Sonal Jain,R. Jolitz,Anna Kotova,Takeshi Kuroda,Davin Larson,Yuni Lee,Christina O. Lee,Franck Lefèvre,Christy Lentz,Daniel Lo,Rafael Lugo,Yingjuan Ma,Paul R. Mahaffy,Melissa L. Marquette,Yosuke Matsumoto,Majd Mayyasi,Christian Mazelle,William E. McClintock,J. P. McFadden,Alexander S. Medvedev,Michael Mendillo,Karim Meziane,Zachariah Milby,David L. Mitchell,Ronan Modolo,Franck Montmessin,Andrew F. Nagy,Hiromu Nakagawa,Clara Narvaez,Kirk Olsen,David Pawlowski,W. K. Peterson,Ali Rahmati,K. Roeten,Norberto Romanelli,Suranga Ruhunusiri,Christopher T. Russell,Shotaro Sakai,Nicholas M. Schneider,Kanako Seki,R. Sharrar,S. R. Shaver,David E. Siskind,M. Slipski,Y. I. J. Soobiah,Morgane Steckiewicz,Michael L. Stevens,Ian Stewart,Arnaud Stiepen,S. Stone,Valeriy Tenishev,Naoki Terada,Kaori Terada,Edward Thiemann,Robert H. Tolson,Gabor Toth,Jeffrey Trovato,Marissa F. Vogt,Tristan Weber,Paul Withers,Shaosui Xu,Roger V. Yelle,Erdal Yiğit,Richard W. Zurek +131 more
TL;DR: In this article, the authors used observations of the Mars upper atmosphere made from the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft to determine the loss rates of gas from the upper atmosphere to space for a complete Mars year (16 Nov 2014 − 3 Oct 2016).
Journal ArticleDOI
MAVEN observations of the response of Mars to an interplanetary coronal mass ejection
Bruce M. Jakosky,Joseph M. Grebowsky,Janet G. Luhmann,John E. P. Connerney,Frank Eparvier,Robert E. Ergun,Jasper Halekas,D. Larson,Paul Mahaffy,J. P. McFadden,D. F. Mitchell,Nicholas M. Schneider,Richard W. Zurek,Stephen W. Bougher,David Brain,Yingjuan Ma,Christian Mazelle,Laila Andersson,David Andrews,D. Baird,Daniel N. Baker,Jared Bell,Mehdi Benna,Michael Chaffin,Phillip C. Chamberlin,Y.-Y. Chaufray,John Clarke,Glyn Collinson,Michael R. Combi,F. J. Crary,Thomas E. Cravens,Matteo Crismani,Shannon Curry,D. W. Curtis,Justin Deighan,Gregory T. Delory,R. M. Dewey,Gina A. DiBraccio,Chuanfei Dong,Yaxue Dong,P. Dunn,Meredith Elrod,Scott L. England,Anders Eriksson,Jared Espley,Scott Evans,Xiaohua Fang,Matthew Fillingim,K. Fortier,Christopher M. Fowler,Jane L. Fox,Hannes Gröller,Scott D. Guzewich,Takuya Hara,Yuki Harada,Gregory M. Holsclaw,Sonal Jain,R. Jolitz,François Leblanc,Christina O. Lee,Yuni Lee,Franck Lefèvre,Robert Lillis,Roberto Livi,Daniel Lo,Majd Mayyasi,William E. McClintock,T. McEnulty,Ronan Modolo,Franck Montmessin,Michiko Morooka,A. F. Nagy,Kirk Olsen,W. K. Peterson,Ali Rahmati,Suranga Ruhunusiri,Christopher T. Russell,Shotaro Sakai,J. A. Sauvaud,Kanako Seki,M. Steckiewicz,Michael L. Stevens,A. I. F. Stewart,Arnaud Stiepen,S. Stone,Valeriy Tenishev,Edward Thiemann,R. Tolson,D. Toublanc,Marissa F. Vogt,Tristan Weber,Paul Withers,Thomas N. Woods,Roger V. Yelle +93 more
TL;DR: Observations and models both show an enhancement in escape rate of ions to space during the Mars upper atmosphere, ionosphere, and interactions with the Sun and solar wind during an interplanetary coronal mass ejection impact in March 2015.