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HD 92212


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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.I.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1978AJ.....83..436M&db_key=AST

Mesures d'étoiles doubles effectuées au télescope de 80 cm. de l'Observatoire de Marseille
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Mesures d'étoiles doubles obtenues au télescope de Marseille. Mouvements Observés sur quelques couples
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Mesures d'étoiles doubles faites au réfracteur de 38 cm. de l'Observatoire de Nice
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Membro dei seguenti gruppi:

Osservazione e dati astrometrici

Costellazione:Leone
Ascensione retta:10h38m54.93s
Declinazione:+07°21'26.0"
Magnitudine apparente:8.975
Distanza:227.273 parsec
Moto proprio RA:-43.3
Moto proprio Dec:-29.7
B-T magnitude:9.55
V-T magnitude:9.023

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 92212
TYCHO-2 2000TYC 259-11-1
USNO-A2.0USNO-A2 0900-06739534
HIPHIP 52122
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