Zobrazeno 1 - 10 of 224 pro vyhledávání: '"Bill R. Sandel"'
4
Saturn in Lyman α: A comparison of Cassini and Voyager observations
Autor: Greg Holsclaw, Eric Quémerais, Tommi Koskinen, Roger V. Yelle, Bill R. Sandel
Publikováno v: Icarus
Icarus, Elsevier, 2020, 339 (15 March), pp.art. 113594. ⟨10.1016/j.icarus.2019.113594⟩
International audience; We analyze Saturn Lyman α system scans observed by the Cassini/UVIS instrument probing non-auroral airglow emissions from Saturn's disk, the ring atmosphere and the Saturn hydrogen torus. We constrain variations in disk brigh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab3194b6e51fd2957e2be2bb4316843e
https://hal-insu.archives-ouvertes.fr/insu-02417413
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6
Empirical determination of extreme ultraviolet imager background
Autor: Jerry Goldstein, David A. Gell, Bill R. Sandel
Publikováno v: Journal of Geophysical Research: Space Physics. 122:7414-7432
Southwest Research Institute internal funding [15-R8624]; development of the Tomographic Refilling and Erosion Observatory (TREO) Small Explorer proposal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c549dd91122ec26310e4a473e30452b
https://doi.org/10.1002/2017ja024301
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8
Saturn’s variable thermosphere from Cassini/UVIS occultations
Autor: Roger V. Yelle, Bill R. Sandel, Tommi Koskinen, Darrell F. Strobel, Justin Erwin, Ingo Müller-Wodarg
Publikováno v: Icarus. 260:174-189
We retrieved the density and temperature profiles in Saturn’s thermosphere from 26 stellar occultations observed by the Cassini/UVIS instrument. These results expand upon and complement the previous analysis of 15 Cassini/UVIS solar occultations by
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e88f546db91f0860594e32e2db00448f
https://doi.org/10.1016/j.icarus.2015.07.008
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9
Voyager 1/UVS Lyman α Measurements at the Distant Heliosphere (90–130 AU): Unknown Source of Additional Emission
Autor: Vladislav Izmodenov, Bill R. Sandel, Rosine Lallement, Eric Quémerais, Olga Katushkina
Publikováno v: Journal of Geophysical Research Space Physics
Journal of Geophysical Research Space Physics, 2017, 122 (11), pp.10,921-10,937. ⟨10.1002/2017JA024205⟩
Journal of Geophysical Research Space Physics, American Geophysical Union/Wiley, 2017, 122 (11), pp.10,921-10,937. ⟨10.1002/2017JA024205⟩
In this work, we present for the first time the Lyman $\alpha$ intensities measured by Voyager 1/UVS in 2003-2014 (at 90-130 AU from the Sun). During this period Voyager 1 measured the Lyman $\alpha$ emission in the outer heliosphere at an almost fix
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5499a4aae45796276ed778712687c65
https://doi.org/10.1002/2017ja024205
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10
The density and temperature structure near the exobase of Saturn from Cassini UVIS solar occultations
Autor: Bill R. Sandel, Roger V. Yelle, Gregory M. Holsclaw, Tommi Koskinen, Fernando J. Capalbo, Scott Edgington, William E. McClintock
Publikováno v: Icarus. 226:1318-1330
We analyzed 15 solar occultations observed by the Cassini UVIS instrument to constrain the density and temperature structure near the exobase of Saturn. We retrieved the density of H2 and thus the temperature at altitudes higher than 1900 km above th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::579c402f48eb53e3efe68281e5e2cb04
https://doi.org/10.1016/j.icarus.2013.07.037
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