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HD 191571

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Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Subtittle: Radial velocities: The Wilson-Evans-Batten catalogue. We give a common version of the two catalogues of Mean Radial Velocitiesby Wilson (1963) and Evans (1978) to which we have added the catalogueof spectroscopic binary systems (Batten et al. 1989). For each star,when possible, we give: 1) an acronym to enter SIMBAD (Set ofIdentifications Measurements and Bibliography for Astronomical Data) ofthe CDS (Centre de Donnees Astronomiques de Strasbourg). 2) the numberHIC of the HIPPARCOS catalogue (Turon 1992). 3) the CCDM number(Catalogue des Composantes des etoiles Doubles et Multiples) byDommanget & Nys (1994). For the cluster stars, a precise study hasbeen done, on the identificator numbers. Numerous remarks point out theproblems we have had to deal with.
Visual multiples. VIII - 1000 MK types A total of 1000 new classifications are given for stars brighter than B= 8.0 mag in the Aitken double star catalog. The classificationssupplement 865 classifications obtained in 1981 and 1984. Among thenewly discovered stars are 12 new Ap stars, eight Lambda Bootis stars,one Ba II star, and 60 Am stars. A detailed list of the newclassifications is given.
On the relationship between the apparent magnitudes given in several catalogues and the UBV system. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...15..215O&db_key=AST
On the homogeneity of the spectral-energy distribution among giant E and SO galaxies and other results. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970AJ.....75...21L&db_key=AST
Photoelectric radial velocities of 87 7th-magnitude K stars previously observed by Redman. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970MNRAS.148..211G&db_key=AST
Short-Period Variability of b, a, and F Stars. III. a Survey of Delta Scuti Variable Stars Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1969ApJS...19...79B&db_key=AST
UBV and narrow-band UVBY photometry of bright stars. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1968AJ.....73...84B&db_key=AST
Micrometer measures of companions to bright stars. Not Available
Photometric parallaxes and the mass-luminosity relation. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1956AJ.....61..361E&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Okcuk
Sað Açýklýk:	20^h09^m52.39^s
Yükselim:	+20Â°53'47.5"
Görünürdeki Parlaklýk:	7.397
özdevim Sað Açýklýk:	4.8
özdevim Yükselim:	-4.6
B-T magnitude:	8.885
V-T magnitude:	7.52

Kataloglar ve belirtme:

Özgün isimleri	(Edit)
HD 1989	HD 191571
TYCHO-2 2000	TYC 1630-917-1
USNO-A2.0	USNO-A2 1050-16659992

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