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HD 42551


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Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

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.

Variable and Potential Variable Stars in the Bright Star Catalogue
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观测天体数据

星座:麒麟座
右阿森松:06h11m02.21s
赤纬:-07°17'03.3"
视星:7.597
距离:645.161 天文距离
右阿森松适当运动:-1.8
赤纬适当运动:0
B-T magnitude:7.456
V-T magnitude:7.586

目录:
适当名称   (Edit)
HD 1989HD 42551
TYCHO-2 2000TYC 4795-738-1
USNO-A2.0USNO-A2 0825-02015392
HIPHIP 29327

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