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HD 167918


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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.

Photometry of hydrogen deficient stars.
Not Available

Four-colour photometry of hydrogen-deficient stars and related objects
Stromgren uvby photometry of hydrogen deficient and helium-weak starssuggests that the 'extreme helium' (= 'hydrogen deficient') stars whichhave been well observed are all variable, probably in a complex way.Previously observed short-term variability of HD 160641 and long-termvariability of HD 168476 are confirmed. There is no evidence forvariability in the intermediate helium stars or the helium-weak stars.

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观测天体数据

星座:望遠鏡座
右阿森松:18h20m47.83s
赤纬:-56°55'59.1"
视星:7.786
距离:10000000 天文距离
右阿森松适当运动:2
赤纬适当运动:-4.8
B-T magnitude:7.695
V-T magnitude:7.779

目录:
适当名称   (Edit)
HD 1989HD 167918
TYCHO-2 2000TYC 8752-1819-1
USNO-A2.0USNO-A2 0300-34068561
HIPHIP 89910

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