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HD 194790


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Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm

Photoelectric Photometry of Stars in the Vilnius System in the Region of the Open Cluster NGC6913 = M29
Not Available

UBV Photoelectric Photometry of 259 PZT Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980PASP...92..215G&db_key=AST

The spectral classification of some stars in the GAM CYG neighbourhood.
Not Available

Structure de la galaxie dans la région de P Cygni
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Dades d'Observació i Astrometria

Constel·lació:Cygnus
Ascensió Recta:20h26m10.12s
Declinació:+38°51'41.1"
Magnitud Aparent:7.983
Distancia:549.451 parsecs
Moviment propi RA:1.6
Moviment propi Dec:-3.1
B-T magnitude:8.234
V-T magnitude:8.004

Catàlegs i designacions:
Noms Propis
HD 1989HD 194790
TYCHO-2 2000TYC 3152-1125-1
USNO-A2.0USNO-A2 1275-13917527
HIPHIP 100790
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