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TYC 1917-2443-1


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Radial Velocities of Population II Binary Stars. Ii.
Here we publish the second list of radial velocities for 91 Hipparcosstars, mostly high transverse velocity binaries without previous radialvelocity measurements. The measurements of radial velocities are donewith a CORAVEL-type radial velocity spectrometer with an accuracy betterthan 1 km/s. We also present the information on eight new radialvelocity variables -- HD 29696, HD 117466 AB, BD +28 4035 AB, BD +302129 A, BD +39 1828 AB, BD +69 230 A, BD +82 565 A and TYC 2267-1300-1-- found from our measurements. Two stars (HD 27961 AB and HD 75632 AB)are suspected as possible radial velocity variables.

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Observation and Astrometry data

Constellation:ふたご座
Right ascension:07h19m27.77s
Declination:+27°58'06.3"
Apparent magnitude:9.999
Proper motion RA:-6.8
Proper motion Dec:7.9
B-T magnitude:10.687
V-T magnitude:10.056

Catalogs and designations:
Proper Names
TYCHO-2 2000TYC 1917-2443-1
USNO-A2.0USNO-A2 1125-05033055
HIPHIP 35486

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