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HD 63274


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New OB-Association in Pup - CMA
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UVBY H-beta photometry of UV-bright stars
uvby H-beta photometry is presented for 90 stars taken from an earlyversion of the Carnochan and Wilson (1983) catalogue of stars that havevery negative UV colors. Two have definite UV excesses (HD 36629, and HD81307). Four early-B stars have UV colors too positive for their visibleclassification, and beta-indices that indicate higher luminosities thanappear possible on galactic distribution grounds. Six late-B starsappear to have discordant flux distributions for which there are noobvious explanations. It is suggested that the high population ofsubluminous stars derived by Carnochan and Wilson is the product of thestatistical treatment used and the extreme patchiness in theinterstellar absorption, which gives rise to large numbers oflittle-reddened stars.

A photoelectric UBV catalogue of 610 stars in Puppis
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1983MNRAS.205..241R&db_key=AST

On the nature of the PUP cluster NGC 2483.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975A&AS...20..289F&db_key=AST

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观测天体数据

星座:船尾座
右阿森松:07h46m50.01s
赤纬:-29°56'54.3"
视星:7.968
距离:751.88 天文距离
右阿森松适当运动:-7.8
赤纬适当运动:7.1
B-T magnitude:7.843
V-T magnitude:7.958

目录:
适当名称   (Edit)
HD 1989HD 63274
TYCHO-2 2000TYC 6552-2931-1
USNO-A2.0USNO-A2 0600-07583484
HIPHIP 37957

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