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TYC 5006-7-1


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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.

UVBY observations of A, F, G and K field stars
Photoelectric data in the uvby system have been obtained for about 800southern stars of the Hipparcos Input Catalog (Grenon, 1982, 1985). Mostof the stars are F and G main sequence and fall in the magnitude range V= 8-11.

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Observation and Astrometry data

Constellation:Serpent
Right ascension:15h15m11.32s
Declination:-02°53'12.7"
Apparent magnitude:10.773
Proper motion RA:0.7
Proper motion Dec:-9.9
B-T magnitude:11.304
V-T magnitude:10.817

Catalogs and designations:
Proper Names   (Edit)
TYCHO-2 2000TYC 5006-7-1
USNO-A2.0USNO-A2 0825-08653150
HIPHIP 74648

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