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HD 154085


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Ýlgili Makaleler

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

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Herkul
Sað Açýklýk:17h02m31.53s
Yükselim:+19°23'10.1"
Görünürdeki Parlaklýk:7.239
Uzaklýk:126.263 parsek
özdevim Sað Açýklýk:-11.9
özdevim Yükselim:-22.6
B-T magnitude:7.404
V-T magnitude:7.253

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 154085
TYCHO-2 2000TYC 1530-1205-1
USNO-A2.0USNO-A2 1050-08312155
HIPHIP 83384

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