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TYC 7091-2212-1


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Southern metal-poor stars - UBVRI photometry
Considering the study of subdwarf kinematics and metallicities by Eggen,Lynden-Bell, and Sandage (1962), UBVRI photometry and normalizedultraviolet excesses are presented for 178 metal-poor stars, 144 ofwhich are contained in the kinematically unbiased list of Bidelman andMacConnell (1973). The Lowell 0.6 m telescope at Cerro Tololo was used,equipped with a single-channel photometer and a Ga-As photomultiplier.The final magnitudes and colors, number of observations, value ofdelta(U-B)0.6 (if B-V lies between 0.35 and 0.90), B and M class, andpublished spectral types for these stars are presented; severalextremely metal-poor stars are evident. In addition, sixteen nearbyvisual companions of the stars were measured, and their magnitudes andcolors are given.

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Observation and Astrometry data

Constellation:Πρύμνη
Right ascension:06h42m36.38s
Declination:-33°37'55.2"
Apparent magnitude:9.943
Proper motion RA:-4.5
Proper motion Dec:6.8
B-T magnitude:11.209
V-T magnitude:10.048

Catalogs and designations:
Proper Names   (Edit)
TYCHO-2 2000TYC 7091-2212-1
USNO-A2.0USNO-A2 0525-03331563
HIPHIP 32130

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