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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.
| 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.
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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Hidra |
| Ascensión Recta: | 11h06m52.34s |
| Declinación: | -30°33'17.9" |
| Magnitud Aparente: | 6.68 |
| Distancia: | 180.832 parsecs |
| Movimiento Propio en Ascensión Recta: | -18.5 |
| Movimiento Propio en Declinación: | -62.2 |
| B-T magnitude: | 8.078 |
| V-T magnitude: | 6.796 |
Catálogos y designaciones:
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INHABITED SKY
