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astro-ph2004
Detection of Atomic Chlorine in Io's Atmosphere with HST/GHRS
Lori M. Feaga, Melissa A. McGrath, Paul D. Feldman +1
We report the detection of atomic chlorine emissions in the atmosphere of Io using Hubble Space Telescope observations with the Goddard High Resolution Spectrograph (GHRS). The Cl…
astro-ph2001
An Upper Limit to the Mass of rho1 Cnc's Radial Velocity Companion
Melissa A. McGrath, Edmund Nelan, David C. Black +7
Doppler spectroscopy of rho1 Cnc has detected evidence of a companion with an orbital period of 14.65 days and a minimum mass of 0.88 Jupiter masses. Astrometric observations perfo…
astro-ph1999
Possible spectral lines from the gaseous Beta Pictoris disk
A. Lecavelier des Etangs, L. M. Hobbs, A. Vidal-Madjar +6
We present the results of exploratory HST observations to detect the emission lines of ions in the Beta Pic disk with the spectrograph slit placed off the star. Possible emission l…