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HD 224625


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Meridian observations made with the Carlsberg Automatic Meridian Circle at Brorfelde (Copenhagen University Observatory) 1981-1982
The 7-inch transit circle instrument with which the present position andmagnitude catalog for 1577 stars with visual magnitudes greater than11.0 was obtained had been equipped with a photoelectric moving slitmicrometer and a minicomputer to control the entire observationalprocess. Positions are reduced relative to the FK4 system for each nightover the whole meridian rather than the usual narrow zones. Thepositions of the FK4 stars used in the least squares solution are alsogiven in the catalog.

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.

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Observation and Astrometry data

Constellation:Cassiopeia
Right ascension:23h59m21.62s
Declination:+50°30'29.4"
Apparent magnitude:8.007
Distance:261.78 parsecs
Proper motion RA:-7
Proper motion Dec:-2
B-T magnitude:9.326
V-T magnitude:8.116

Catalogs and designations:
Proper Names
HD 1989HD 224625
TYCHO-2 2000TYC 3647-1078-1
USNO-A2.0USNO-A2 1350-18918718
HIPHIP 118272

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