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HD 30637


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Optical observations of ultraviolet objects. I - Spectral classification of 103 stars /l = 200-275 deg/
Results are presented of a program of spectral classification of 103stars originally selected as ultraviolet objects from TD-1 satellitephotometry with the S2/68 experiment. Most of the objects appear to bespectroscopically normal stars; the method of selection yielded a sampleof relatively unreddened B stars at distances up to about 2 kpc. Thisresult is compared with recent studies of the spatial distribution ofinterstellar extinction in the same regions of the sky.

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观测天体数据

星座:波江座
右阿森松:04h49m13.53s
赤纬:-04°59'11.4"
视星:7.143
距离:1298.701 天文距离
右阿森松适当运动:-0.3
赤纬适当运动:4.3
B-T magnitude:6.954
V-T magnitude:7.128

目录:
适当名称   (Edit)
HD 1989HD 30637
TYCHO-2 2000TYC 4744-1773-1
USNO-A2.0USNO-A2 0825-01170521
HIPHIP 22396

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