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HD 1136


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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.

Micrometer observations of double stars.8.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975ApJS...29..315H&db_key=AST

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Osservazione e dati astrometrici

Costellazione:Balena
Ascensione retta:00h15m34.24s
Declinazione:-24°20'47.4"
Magnitudine apparente:9.348
Moto proprio RA:38.1
Moto proprio Dec:-43.2
B-T magnitude:10.07
V-T magnitude:9.408

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 1136
TYCHO-2 2000TYC 6413-551-1
USNO-A2.0USNO-A2 0600-00107445
HIPHIP 1248

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