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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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观测天体数据

星座:仙后座
右阿森松:01h13m48.66s
赤纬:+48°47'13.1"
视星:8.338
距离:180.832 天文距离
右阿森松适当运动:20.6
赤纬适当运动:-8.7
B-T magnitude:8.442
V-T magnitude:8.347

目录:
适当名称   (Edit)
HD 1989HD 7271
TYCHO-2 2000TYC 3272-48-1
USNO-A2.0USNO-A2 1350-01199065
HIPHIP 5747

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