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HD 238740


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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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Observation and Astrometry data

Constellation:りゅう座
Right ascension:17h40m48.62s
Declination:+57°26'06.5"
Apparent magnitude:8.667
Distance:476.19 parsecs
Proper motion RA:2
Proper motion Dec:7.9
B-T magnitude:9.449
V-T magnitude:8.732

Catalogs and designations:
Proper Names
HD 1989HD 238740
TYCHO-2 2000TYC 3897-1118-1
USNO-A2.0USNO-A2 1425-08862675
HIPHIP 86513
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