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HD 137683


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Intensive photometry of southern Wolf-Rayet stars
Results of an intensive photometric campaign on 17 of the brightestsouthern Wolf-Rayet stars are presented. The detection ofmultiperiodicity in two stars, HD 50896 and HD 96548, is reported. It islikely that these periodicities are not coherent but are manifestationsof the quasi-periodic variations seen in a few WR stars. A good exampleof these variations is given by HD 86161. A new eclipsing binary, HD92740, has been discovered; other stars show periodic variations whichcan be explained by phase-dependent scattering of the secondary light asit traverses the Wolf-Rayet wind. An important conclusion of this studyis that not a single example was found of short-period variations whichcan be attributed to pulsation.

Photometry of southern Wolf-rayet stars.
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Observation and Astrometry data

Constellation:Triangulum Australe
Right ascension:15h31m17.03s
Declination:-65°56'35.9"
Apparent magnitude:7.247
Distance:847.458 parsecs
Proper motion RA:-4.1
Proper motion Dec:-4.1
B-T magnitude:7.2
V-T magnitude:7.244

Catalogs and designations:
Proper Names
HD 1989HD 137683
TYCHO-2 2000TYC 9034-2369-1
USNO-A2.0USNO-A2 0225-22993766
HIPHIP 76000

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