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HD 162296


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A-type shell stars and infrared sources
Following the discovery of a dust cloud around an A-type shell star, thesituation of all known Ae/A shell stars is examined. Nineteen stars ofthis group observed by IRAS are found, and of these 19, eight areinfrared anomalous emitters (IAE). The temperatures of the anomalousemitting sources are of the order of 50-400 K, although three casesrequire two superposed cool sources. The proportion of IAEs among Ae/Ashell stars is very high, when compared to a sample of nonshell A-typestars. This suggests a close link between the membership in the groupand IAE.

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观测天体数据

星座:孔雀座
右阿森松:17h53m48.64s
赤纬:-57°59'19.3"
视星:8.532
距离:14285.714 天文距离
右阿森松适当运动:7
赤纬适当运动:-1.1
B-T magnitude:10.556
V-T magnitude:8.7

目录:
适当名称   (Edit)
HD 1989HD 162296
TYCHO-2 2000TYC 8750-1288-1
USNO-A2.0USNO-A2 0300-32939695
HIPHIP 87608

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