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HD 192823 (Orhun Aksoy)


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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.

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Observation and Astrometry data

Constellation:Steinbock
Right ascension:20h17m26.80s
Declination:-15°49'39.9"
Apparent magnitude:7.453
Distance:133.511 parsecs
Proper motion RA:13.4
Proper motion Dec:-51.9
B-T magnitude:7.702
V-T magnitude:7.474

Catalogs and designations:
Proper NamesOrhun Aksoy
  (Edit)
HD 1989HD 192823
TYCHO-2 2000TYC 6328-2444-1
USNO-A2.0USNO-A2 0675-35186328
HIPHIP 100014

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