474 citations · 2.8k across the 66 of their papers we have counts for
Showing 1999 · astro-phShow all
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astro-ph1999★ 9 cited
HST-FOS Observations of M87: Ly-a Emission from the Active Galactic Nucleus
Ravi Sankrit, Kenneth R. Sembach, Claude R. Canizares
The Faint Object Spectrograph on the Hubble Space Telescope was used to obtain spectra of the central region of M87. These spectra cover the wavelength range 1140 - 1606 Angstrom a…
astro-ph1999★ 66 cited
The Distance to the Cygnus Loop from Hubble Space Telescope Imaging of the Primary Shock Front
William P. Blair, Ravi Sankrit, John C. Raymond +1
We present a Hubble Space Telescope/WFPC2 narrow-band H-alpha image of a region on the northeastern limb of the Cygnus Loop supernova remnant. This location provides a detailed exa…