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TYC 7182-1844-1


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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:Machine pneumatique
Right ascension:10h09m53.56s
Declination:-36°42'12.1"
Apparent magnitude:9.345
Proper motion RA:-16.5
Proper motion Dec:6.2
B-T magnitude:10.608
V-T magnitude:9.45

Catalogs and designations:
Proper Names
TYCHO-2 2000TYC 7182-1844-1
USNO-A2.0USNO-A2 0525-12768436
HIPHIP 49797

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