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HD 24972


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Micrometer observations of double stars and new pairs. XIII
From a program of double star observations which emphasizes orbital,neglected, and newly discovered pairs, results obtained from October1984 to January 1987 are presented. A total of 3030 visual and 550photographic measures are listed. The positions in WDS format andDurchmusterung numbers are shown for 117 pairs for which firstobservations appear in this paper. Magnitudes are estimated for some ofthe objects.

New optical positions and proper motions of late type stars associated with SiO masers
The 33 cm astrograph of the Bordeaux Observatory has been used to derivewith respect to AGK3 reference stars, accurate positions of late typevariable stars variable stars associated with strong SiO maser emission.It is suggested that selected maser stars can be used to link theHIPPARCOS system and the VLBI extragalactic reference frame. The propermotions of the program (SiO) and reference stars are derived and, forthe program stars, are compared to the McCormick catalog of propermotions.

Micrometer Observations of Double Stars and New Pairs - Part Ten
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980ApJS...44..111H&db_key=AST

Mesures d'étoiles doubles faites aux Observatoires Yerkes et McDonald
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Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice
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Miembro de los siguientes grupos:

Datos observacionales y astrométricos

Constelación:Tauro
Ascensión Recta:03h58m27.39s
Declinación:+12°07'19.9"
Magnitud Aparente:9.218
Movimiento Propio en Ascensión Recta:16.4
Movimiento Propio en Declinación:-3.2
B-T magnitude:10.135
V-T magnitude:9.294

Catálogos y designaciones:
Nombres Propios   (Edit)
HD 1989HD 24972
TYCHO-2 2000TYC 662-1458-1
USNO-A2.0USNO-A2 0975-00875832
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