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HD 79283


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BVR Photometry of Northern Hemisphere Luminous Stars. III. LS and HD Stars
CCD-based BVR photometry of 48 previously unobserved stars drawn fromvolumes V and VI of the Luminous Stars in the Northern Milky Way,Luminous Stars in the Southern Milky Way, and HD catalogs is reported.

Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm

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Observation and Astrometry data

Constellation:Ύδρα
Right ascension:09h13m22.87s
Declination:+05°48'55.9"
Apparent magnitude:7.29
Distance:282.486 parsecs
Proper motion RA:-8.8
Proper motion Dec:-1.8
B-T magnitude:7.249
V-T magnitude:7.287

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 79283
TYCHO-2 2000TYC 233-1024-1
USNO-A2.0USNO-A2 0900-06326903
HIPHIP 45252

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