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HD 81348


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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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观测天体数据

星座:船帆座
右阿森松:09h23m22.74s
赤纬:-49°07'12.4"
视星:9.434
右阿森松适当运动:-9.5
赤纬适当运动:13.7
B-T magnitude:9.698
V-T magnitude:9.456

目录:
适当名称   (Edit)
HD 1989HD 81348
TYCHO-2 2000TYC 8175-1215-1
USNO-A2.0USNO-A2 0375-07787614
HIPHIP 46039

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