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HD 117428


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관련 글

CCD photometry and astrometry of visual double and multiple stars of the HIPPARCOS Catalogue. II. CCD photometry and differential astrometry of 288 southern ``Intermediate'' systems
We present photometric and astrometric data of about 280 visual doublestars of the ``intermediate'' class, i.e. with angular separationsmainly in the range 2arcsec < rho < 12arcsec . The observationshave been obtained in 1991-92 with a CCD camera attached to the 91 cmDutch telescope at ESO La Silla, Chile. Differential magnitudes of thedouble star components as well as magnitudes and colour indices of theindividual components have been determined in the Cousins V and Ipassbands with an internal error of about 0.005 mag and an externalaccuracy of less than 0.03 mag. In addition, angular separations havebeen secured to an internal accuracy of 0.004arcsec and position anglesto about 0.05degr. Tables 1 to 4 are only available in electronic format the CDS via ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html. Based on observationscollected at the European Southern Observatory, La Silla, Chile.

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관측 및 측정 데이터

별자리:켄타우루스자리
적경:13h31m31.47s
적위:-57°17'52.5"
가시등급:8.963
거리:235.849 파섹
적경상의 고유운동:-23.5
적위상의 고유운동:-4.4
B-T magnitude:10.328
V-T magnitude:9.076

천체목록:
일반명   (Edit)
HD 1989HD 117428
TYCHO-2 2000TYC 8670-41-1
USNO-A2.0USNO-A2 0300-18679798
HIPHIP 65966

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