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HD 48199


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Two-colour photometry for 9473 components of close Hipparcos double and multiple stars
Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.

Catalog of BV magnitudes and spectral classes of 6000 stars
The present catalog, compiled at the Abastumani Observatory, contains BVmagnitudes and spectral classes of about 6000 stars up to V(lim) = 13.0min five circular areas of 18 sq deg located near the salactic-equatorplane. The catalog is intended for star-statistics studies ofstar-formation regions.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Tekboynuz
Sað Açýklýk:06h42m43.69s
Yükselim:+11°46'17.3"
Görünürdeki Parlaklýk:7.871
Uzaklýk:401.606 parsek
özdevim Sað Açýklýk:0.1
özdevim Yükselim:-2.1
B-T magnitude:7.882
V-T magnitude:7.872

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 48199
TYCHO-2 2000TYC 754-933-1
USNO-A2.0USNO-A2 0975-03708734
HIPHIP 32142

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