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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: | ケンタウルス座 |
| Right ascension: | 11h28m28.48s |
| Declination: | -55°53'14.5" |
| Apparent magnitude: | 9.164 |
| Proper motion RA: | -53.7 |
| Proper motion Dec: | 18.3 |
| B-T magnitude: | 9.717 |
| V-T magnitude: | 9.21 |
Catalogs and designations:
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