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HD 15921


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2000 A UV imaging of a 6 deg diameter field around the H and Chi Persei double cluster
A stellar field centered close to the h and Chi per double cluster hasbeen observed at 2000 A by the stratospheric balloon-born telescope ofthe SCAP-2000 program. It is shown that the prevailing extinction lawproduces greater extinction at 1965 A than is predicted by the meanextinction law. The results suggest the presence of an H2 cloud in frontof h and Chi Per in the second absorbing layer and in the local arm. Agroup of hot stars centered at the same distance as the molecular cloudmay form an association of OB stars in the local arm.

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观测天体数据

星座:英仙座
右阿森松:02h35m35.68s
赤纬:+54°19'01.2"
视星:8.92
距离:327.869 天文距离
右阿森松适当运动:6.8
赤纬适当运动:-3.5
B-T magnitude:8.99
V-T magnitude:8.926

目录:
适当名称
HD 1989HD 15921
TYCHO-2 2000TYC 3687-1149-1
USNO-A2.0USNO-A2 1425-03629580
HIPHIP 12068

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