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Ýlgili Makaleler
Hyades and Sirius supercluster members brighter than magnitude (V) 7.1. II - Right ascension six to twelve hours
The present star sample is contained in the Bright Star Catalogue andits Supplement, augmented with a further supplement of 788 stars foundduring various observing programs over the past 40 years. Accurate,four-color and H-beta, or (RI), photometry is available for most of thesupercluster members. The criteria for membership are the comparisons ofthe proper motion, radial velocity, and luminosity obtained from thesupercluster parameters with the observed motions and the luminosityderived from the photometric parameters. New proper motions, based onall available catalogs, have been derived for the additional 788 starsdiscussed here, as well as all supercluster members.
| Visual multiples. VIII - 1000 MK types
A total of 1000 new classifications are given for stars brighter than B= 8.0 mag in the Aitken double star catalog. The classificationssupplement 865 classifications obtained in 1981 and 1984. Among thenewly discovered stars are 12 new Ap stars, eight Lambda Bootis stars,one Ba II star, and 60 Am stars. A detailed list of the newclassifications is given.
| Visual double stars measured at Las Campanas Observatory, Chile.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975PASP...87..945H&db_key=AST
| Mesures photométriques d'étoiles doubles serrées selon la méthode de P. Muller
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Tavsan |
| Sað Açýklýk: | 06h08m25.40s |
| Yükselim: | -11°08'46.6" |
| Görünürdeki Parlaklýk: | 6.906 |
| Uzaklýk: | 76.805 parsek |
| özdevim Sað Açýklýk: | 18.4 |
| özdevim Yükselim: | -4.6 |
| B-T magnitude: | 7.069 |
| V-T magnitude: | 6.92 |
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