Ultraviolet Light and Polarization Variations in Beta Cephei Stars

Details Ultraviolet Light and Polarization Variations in Beta Cephei Stars Ultraviolet Light and Polarization Variations in Beta Cephei Stars

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.1102b&link_type=abstract

HST Proposal ID #1102

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Hst Proposal Id #1102

Scientific paper

The variability of certain B stars such as Beta Cephei has been known for many years. No accepted mechanism for the excitation of this variation has been found, and uncertainty exists as to whether the pulsation modes are radial or nonradial. Color and polarization data in the UV will be obtained in an attempt to identify pulsation modes and phases of temperature and other variation for a selection of Beta Cephei stars. Better constraints on stellar pulsation models and the Beta Cephei phenomenon are the overall goal. Revision History: Received on RPS 9/1/89; Added to SCCS 9/5/89 Updated to V2 prop instr; RPSS V7.2 remote & local; Small syntactical Changes; Added coordinate uncertainties - SALM 9/13/89; Reduce repe ats - SALM 3/5/90; Added ACQ to REPEATs; broke up DEFINE sequence - SALM 6/28/90; Added datafmt ANALOG to ACQ - SALM 7/12/90; Addition of exposure time for POL observations --BJW 8/19/90;

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