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TYC 3063-1149-1


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UBV photometry of stars whose positions are accurately known. III
UBV photometric observations of 417 stars at BD declination 35-49 degfrom the NPZT(74) catalog of Yasuda et al. (1982) and the AGK3R catalogof Corben (1978), obtained with the 40-cm Cassegrain reflector atKvistaberg Observatory during 1984-1985, are reported. The data arepresented in tables, and the mean errors per observation are given as0.016 mag in V, 0.011 mag in B-V, 0.012 mag in U-B for U less than 10,and 0.026 mag in U-B for U greater than 10.

Precise positions in the FK4 system for 120 radio source reference stars
Positions are given in the FK4 system for 120 primary reference starsgrouped around the optical counterparts of 11 extragalactic radiosources. The observations were made in 1979 and 1980 with the 6-in.transit circle of the U.S. Naval Observatory. The results reported hererepresent the first step in a three-tiered process to determineastrometric positions of the optical counterparts referred to the systemof the FK4. One application of such positions is the determination of anearly inertial optical reference frame, which eventually may becompared to a reference frame at radio wavelengths.

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Observation and Astrometry data

Constellation:ヘルクレス座
Right ascension:16h35m49.87s
Declination:+39°32'35.4"
Apparent magnitude:9.067
Proper motion RA:-34
Proper motion Dec:-9.4
B-T magnitude:10.837
V-T magnitude:9.214

Catalogs and designations:
Proper Names   (Edit)
TYCHO-2 2000TYC 3063-1149-1
USNO-A2.0USNO-A2 1275-08993874
HIPHIP 81260

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