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astro-ph2000★ 35 cited
HST Spectroscopy of Spot 1 on the Circumstellar Ring of SN 1987A
Eli Michael, Richard McCray, C. S. J. Pun +15
We present ultraviolet and optical spectra of the first bright spot (PA = 29 degrees) on Supernova 1987A's equatorial circumstellar ring taken with the Space Telescope Imaging Spec…
astro-ph2000★ 78 cited
Evidence for a Black Hole and Accretion Disk in the LINER NGC 4203
Joseph C. Shields, Hans-Walter Rix, Daniel H. McIntosh +5
We present spectroscopic observations from the Hubble Space Telescope that reveal for the first time the presence of a broad pedestal of Balmer-line emission in the LINER galaxy NG…