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HD 55213


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Spectral Classification of Stars in A Supplement to the Bright Star Catalogue
MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.

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.

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观测天体数据

星座:大犬座
右阿森松:07h11m25.17s
赤纬:-17°19'52.1"
视星:6.657
距离:400 天文距离
右阿森松适当运动:-6.2
赤纬适当运动:3.1
B-T magnitude:6.6
V-T magnitude:6.653

目录:
适当名称   (Edit)
HD 1989HD 55213
TYCHO-2 2000TYC 5968-117-1
USNO-A2.0USNO-A2 0675-05136051
HIPHIP 34725

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