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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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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Guney Ucgeni |
| Sað Açýklýk: | 15h31m17.03s |
| Yükselim: | -65°56'35.9" |
| Görünürdeki Parlaklýk: | 7.247 |
| Uzaklýk: | 847.458 parsek |
| özdevim Sað Açýklýk: | -4.1 |
| özdevim Yükselim: | -4.1 |
| B-T magnitude: | 7.2 |
| V-T magnitude: | 7.244 |
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