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HD 118849


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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.

Measurements of binary stars obtained at Pic-du-Midi and at Nice
A total of 112 visual measurements of 82 close binaries observed with 2mtelescope at Pic-du-Midi are presented. In addition, 344 measurements of163 close binaries were observed with the 74-cm and 50-cm refractors atNice. All measurements were made by a micrometer with illuminated wires.

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Observation and Astrometry data

Constellation:Κύνες Θηρευτικοί
Right ascension:13h38m43.68s
Declination:+38°22'47.4"
Apparent magnitude:8.741
Distance:306.748 parsecs
Proper motion RA:3.4
Proper motion Dec:-6.4
B-T magnitude:9.912
V-T magnitude:8.838

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 118849
TYCHO-2 2000TYC 3026-450-1
USNO-A2.0USNO-A2 1275-08288843
HIPHIP 66569

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