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HD 179909


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Optical observations of ultraviolet objects. II - Classification and photometry /l = 0 to 145 deg/
UBV photometry and MK spectral classification are presented for a sampleof stars originally selected as UV objects from satellite photometrywith the S2/68 experiment. Although most stars of the sample arespectroscopically normal, a number of hot, subluminous stars were alsofound. Radial velocities are given for some of the stars observed. It isproposed that the majority of the apparently normal early B stars athigh galactic latitudes which are not runaway stars are subluminousdisc-population analogues of horizontal branch B stars of Population II.

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观测天体数据

星座:天琴座
右阿森松:19h12m42.82s
赤纬:+39°29'50.3"
视星:8.303
距离:373.134 天文距离
右阿森松适当运动:0.1
赤纬适当运动:-1.4
B-T magnitude:8.216
V-T magnitude:8.296

目录:
适当名称   (Edit)
HD 1989HD 179909
TYCHO-2 2000TYC 3125-2604-1
USNO-A2.0USNO-A2 1275-10938003
HIPHIP 94388

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