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HD 84144


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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:Leo Minor
Right ascension:09h43m54.21s
Declination:+33°23'39.4"
Apparent magnitude:8.461
Distance:128.7 parsecs
Proper motion RA:20.4
Proper motion Dec:-86.9
B-T magnitude:9.145
V-T magnitude:8.518

Catalogs and designations:
Proper Names
HD 1989HD 84144
TYCHO-2 2000TYC 2504-151-1
USNO-A2.0USNO-A2 1200-06375354
HIPHIP 47739

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