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HD 106053

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Spectral Classification of Stars in A Supplement to the Bright Star Catalogue MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.
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.
Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Subtittle: Radial velocities: The Wilson-Evans-Batten catalogue. We give a common version of the two catalogues of Mean Radial Velocitiesby Wilson (1963) and Evans (1978) to which we have added the catalogueof spectroscopic binary systems (Batten et al. 1989). For each star,when possible, we give: 1) an acronym to enter SIMBAD (Set ofIdentifications Measurements and Bibliography for Astronomical Data) ofthe CDS (Centre de Donnees Astronomiques de Strasbourg). 2) the numberHIC of the HIPPARCOS catalogue (Turon 1992). 3) the CCDM number(Catalogue des Composantes des etoiles Doubles et Multiples) byDommanget & Nys (1994). For the cluster stars, a precise study hasbeen done, on the identificator numbers. Numerous remarks point out theproblems we have had to deal with.
The Ellipsoidal Variability of HR4646 Not Available
Final catalogue of 229 photometric standards in UBV system near the selected areas 1-115 Not Available
The corrected magnitudes and colours of 278 stars near S.A. 1-139 in the UBV system Not Available
Photographic magnitudes of stars brighter than 7m.75 between +75° and +80° declination (Errata: 11 270) Not Available
Yerkes actinometry. Zone +73deg to +90deg. Not Available

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관측 및 측정 데이터

별자리:	기린자리
적경:	12^h11^m48.34^s
적위:	+77Â°26'26.8"
가시등급:	6.751
거리:	216.45 파섹
적경상의 고유운동:	3.7
적위상의 고유운동:	6.8
B-T magnitude:	6.797
V-T magnitude:	6.755

천체목록:

일반명	(Edit)
HD 1989	HD 106053
TYCHO-2 2000	TYC 4550-520-1
USNO-A2.0	USNO-A2 1650-01570514
HIP	HIP 59463

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