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HD 254236


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Ýlgili Makaleler

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.

Photoelectric observations of lunar occultations. XII
Occultation observations of 414 events observed between 6 July 1979 and4 September 1980 with the 0.76-m telescope of McDonald Observatory arereported. Timings and data on double stars are given. Angular diameterinformation in six cases is included. The stars concerned with their runnumbers are: SAO 161754 (5270); 94027 (Alpha Tau) (5319, 5381, 5454);159370 (Gamma Lib) (5325, 5571); 162413 (43 Sgr) (5332); 97472 (3 Cnc)(5414); and 93955 (Theta Tau) (5445).

Etude pour chaque champ de l'absorption et de la repartition des vitesses radiales EN fonction de la distance.
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La mesure des vitesses radiales au prisme objectif. VII - 2e liste de vitesses radiales déterminées au prisme objectif à vision directe
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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Avci
Sað Açýklýk:06h16m23.58s
Yükselim:+18°48'25.8"
Görünürdeki Parlaklýk:8.771
Uzaklýk:934.579 parsek
özdevim Sað Açýklýk:-3.5
özdevim Yükselim:16.7
B-T magnitude:10.174
V-T magnitude:8.887

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 254236
TYCHO-2 2000TYC 1323-1582-1
USNO-A2.0USNO-A2 1050-03248527
HIPHIP 29796
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