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HD 99052

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Pulkovo compilation of radial velocities for 35495 stars in a common system. Not Available
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
Spectra and colors of A-type stars in a north galactic pole region. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1968AJ.....73..152S&db_key=AST
A finding-list of stars of spectral type F2 and earlier in a north galactic pole region. Not Available

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:	Buyuk Ayi
Sað Açýklýk:	11^h24^m23.43^s
Yükselim:	+46Â°54'12.2"
Görünürdeki Parlaklýk:	8.858
Uzaklýk:	219.298 parsek
özdevim Sað Açýklýk:	-5.5
özdevim Yükselim:	0.4
B-T magnitude:	9.112
V-T magnitude:	8.879

Kataloglar ve belirtme:

Özgün isimleri	(Edit)
HD 1989	HD 99052
TYCHO-2 2000	TYC 3451-821-1
USNO-A2.0	USNO-A2 1350-07941871
HIP	HIP 55669

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