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The Far-Ultraviolet Oxygen Airglow of Europa and Ganymede
Far-UV spectra of Europa and Ganymede, acquired by the Hubble Space Telescope Goddard High Resolution Spectrograph, indicate that, in addition to faintly reflected sunlight, both satellites emit O IExpand
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Transient Water Vapor at Europa’s South Pole
Europa's Plumes Jupiter's moon Europa has a subsurface ocean and a relatively young icy surface. Roth et al. (p. 171, published online 12 December 2013; see the Perspective by Spencer) analyzedExpand
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OH in Saturn's magnetosphere: Observations and implications
The discovery of OH in Saturn's inner magnetosphere changed our view of this region from one where plasma dominated the physics to one where neutrals are dominant. We revisit Hubble Space TelescopeExpand
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Transient Water Vapor at Europa's
In November and December 2012, the Hubble Space Telescope (HST) imaged Europa’s ultravioletemissions in the search for vapor plume activity. We report statistically significant coincidentsurpluses ofExpand
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Io's dayside SO2 atmosphere
Abstract An extensive set of HI Lyman-α images obtained with the Hubble Space Telescope (HST) Space Telescope Imaging Spectrograph (STIS) from 1997–2001 has been analyzed to provide information aboutExpand
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HST/STIS Ultraviolet Imaging of Polar Aurora on Ganymede
We report new observations of the spectrum of Ganymede in the spectral range 1160-1720 A made with the Space Telescope Imaging Spectrograph (STIS) on the Hubble Space Telescope (HST) on 1998 OctoberExpand
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Saturn: Search for a missing water source
[1] The origin of the large hydroxyl radical (OH) cloud near the inner moons of Saturn, indicative of a surprisingly large water-vapor source, has represented a puzzle since its discovery in 1992. AExpand
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Lyman‐α imaging of the SO2 distribution on Io
Imaging spectroscopy of Io in the ultraviolet (1160–1720 A) was carried out with the Space Telescope Imaging Spectrograph on HST on three dates in October 1997 and August 1998. Among the initialExpand
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Hubble Space Telescope Space Telescope Imaging Spectrograph Search for an Atmosphere on Callisto: A Jovian Unipolar Inductor
Hubble Space Telescope observations of Callisto with the Space Telescope Imaging Spectrograph were performed at both eastern and western elongations to search for the UV emissions diagnostic of theExpand
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Spatially Resolved Spectroscopy of Io's Pele Plume and SO2 Atmosphere
Abstract We report on the first successful, spatially resolved spectroscopic observations of Io's SO2 atmosphere. Observations made with the Hubble Space Telescope Faint Object Spectrograph on 1Expand
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