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7 papers · 1 filter
High-Speed Optical Spectroscopy of a Cataclysmic Variable Wind: BZ Camelopardalis
F. A. Ringwald, T. Naylor
BZ Cam is the first cataclysmic variable star with an accretion disk wind evident in its optical spectrum. The wind was found by Thorstensen, who discovered intermittent P Cygni pr…
The 1996 Outburst of GRO J1655-40
R. I. Hynes, C. A. Haswell, R. P. Fender +7
During 1996 the soft-X-ray transient and superluminal jet source GRO J1655-40 was observed in outburst with a multiwavelength campaign including HST, RXTE, CGRO and ground based fa…
An outburst of the magnetic cataclysmic variable XY Arietis observed with RXTE
Coel Hellier, Koji Mukai, A. P. Beardmore
We report the first observed outburst of the magnetic cataclysmic variable XY Ari. X-ray observations show a flux increase by an order of magnitude the day after the first signs of…
The size of the accretion region in intermediate polars: eclipses of XY Arietis observed with RXTE
Coel Hellier
RXTE observed 20 eclipse egresses of the intermediate polar XY Ari in order to study the size and structure of the X-ray emitting accretion regions. The spin-phase averaged egress…
The Status of Nova Orionis 1667
F. A. Ringwald, T. Naylor
Images taken in 1.3" seeing show that a claimed hibernating nova, Candidate 5 shown in a Sky & Telescope Newswire item, is found to be a visual binary, with a 1.1" separation betwe…
HST Observations of IP Pegasi in Quiescence: The Pre-Eclipse Spectrum
D. W. Hoard, Raymundo Baptista, Michael Eracleous +5
We present time-resolved HST UV spectroscopy and ground-based optical photometry of the dwarf nova IP Peg in a quiescent state. The observations were obtained prior to an eclipse,…