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HD 7271


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Photoelectric Photometry of Stars in the Orion Standard Region
Magnitudes and color indices in the Vilnius seven-color photometricsystem are given for 108 stars in the Orion standard region around theOrion Belt and the star lambda Orionis. New spectral and luminosityclasses, estimated from the photometric data, are given for some of thestars.

Radial-velocity measurements. III - Ground observations accompanying the HIPPARCOS satellite observation program: Measurements of the radial velocities of 391 stars in 12 fields
The radial velocities of 391 stars, obtained with the Fehrenbachobjective prism associated to the Schmidt telescope of the Observatoirede Haute-Provence are presented. These stars belong to fields speciallychosen for containing several Hipparcos input catalog star members. Eachfield is presented independently. The list includes HD and BDidentifiers when available, 1950 coordinates, spectral type, and B and Vmagnitudes as they appear in the CSI catalog, the radial velocity, theprobable error, the number of independent measurements and commentariessuch as known radial velocity and their origin.

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Datos observacionales y astrométricos

Constelación:Casiopea
Ascensión Recta:01h13m48.66s
Declinación:+48°47'13.1"
Magnitud Aparente:8.338
Distancia:180.832 parsecs
Movimiento Propio en Ascensión Recta:20.6
Movimiento Propio en Declinación:-8.7
B-T magnitude:8.442
V-T magnitude:8.347

Catálogos y designaciones:
Nombres Propios
HD 1989HD 7271
TYCHO-2 2000TYC 3272-48-1
USNO-A2.0USNO-A2 1350-01199065
HIPHIP 5747
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