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HD 143832


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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.

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Observation and Astrometry data

Constellation:Triangle austral
Right ascension:16h06m27.39s
Declination:-63°20'28.2"
Apparent magnitude:7.549
Distance:150.83 parsecs
Proper motion RA:-29.3
Proper motion Dec:-26.8
B-T magnitude:7.655
V-T magnitude:7.558

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 143832
TYCHO-2 2000TYC 9040-4521-1
USNO-A2.0USNO-A2 0225-24569412
HIPHIP 78909

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