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HD 187161


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Radial velocity measurements. II - Ground-based observations of the program stars for the HIPPARCOS satellite
New radial velocities for 446 stars of magnitude 9.0 or brighter in 1616-sq-deg fields of the Northern Hemisphere are determined by automaticPDS measurement of 80-A/mm-dispersion spectra obtained at theObservatoire de Haute Provence using a 17-cm-diameter objective prism.The fields were selected to provide data for the input catalog of theESA Hipparcos astrometric satellite. The measurement techniques andprecision are discussed, and the results are presented in extensivetables and graphs.

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Observation and Astrometry data

Constellation:Cygnus
Right ascension:19h47m17.57s
Declination:+30°50'24.7"
Apparent magnitude:7.649
Distance:322.581 parsecs
Proper motion RA:1.3
Proper motion Dec:-3.5
B-T magnitude:7.563
V-T magnitude:7.642

Catalogs and designations:
Proper Names
HD 1989HD 187161
TYCHO-2 2000TYC 2656-782-1
USNO-A2.0USNO-A2 1200-13205490
HIPHIP 97357

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