FUSE Observations of RX J0513.9-6951

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EditorSearch for: Sonneborn, G.; Search for: Moos, H.; Search for: Andersson, B. -G.
Proceedings titleAstrophysics in the Far Ultraviolet, Five Years of Discovery with FUSE
Series titleAstronomical Society of the Pacific Conference Series; Volume 348
ConferenceAstrophysics in the Far Ultraviolet: Five Years of Discovery with FUSE, Victoria, British Columbia, Canada, August 2-6, 2004
AbstractFUSE observations were obtained in July 2003 during 1.2 cycles of the 0.76- day binary orbit of RX J0513.9-6951. Radial velocity measurements of the broad O VI emission profile show a semiamplitude of 26 km s-1, much smaller than the value of 117 km s-1 measured from 2001 data. We discuss the implications if the new velocities represent the white dwarf's orbital motion. The broad O VI emission is red-shifted by ~1400 km s-1 with respect to the systemic velocity and the narrow emission components. Difference plots show phase related changes in this broad emission profile.
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AffiliationNRC Herzberg Institute of Astrophysics; National Research Council Canada
Peer reviewedNo
NPARC number13053768
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Record identifier40bcf66b-5ed5-46db-a4c6-b7e348433d04
Record created2009-11-25
Record modified2016-05-09
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