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HD 140979


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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.

Radial velocities of southern stars obtained with the photoelectric scanner CORAVEL. III - 790 late-type bright stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1985A&AS...59...15A&db_key=AST

Photoelectric determination of the colors of 286 stars south of declination -15 degrees.
Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Cetvel
Sað Açýklýk:15h48m50.30s
Yükselim:-52°26'17.0"
Görünürdeki Parlaklýk:6.07
Uzaklýk:236.967 parsek
özdevim Sað Açýklýk:3.3
özdevim Yükselim:-12.3
B-T magnitude:7.877
V-T magnitude:6.206

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 140979
TYCHO-2 2000TYC 8321-1261-1
USNO-A2.0USNO-A2 0375-25716069
BSC 1991HR 5865
HIPHIP 77454
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