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HD 179810


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A survey for infrared excesses among high galactic latitude SAO stars
This project involves extending the previous analysis of infraredexcesses among a volume-limited sample of 134 nearby A-K main-sequencestars to a magnitude-limited sample of stars, culled from the SAOCatalog, with excesses determined from the IRAS Point Source Catalogflux density ratios. This new sample includes 5706 B-M type stars, 379of which have infrared excesses. The objective involved use of astatistically complete survey of objects in a standard catalog in orderto assess the frequency with which different physical processes canaffect the infrared output of stars. These processes include, but arenot limited to, orbiting cold particle clouds and the onset of rapidmass loss. It is concluded that cold disks are consistent with theinfrared excesses found among A-G dwarfs and G-K giants in the sample.

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观测天体数据

星座:南冕座
右阿森松:19h15m36.98s
赤纬:-38°50'44.1"
视星:7.952
距离:321.543 天文距离
右阿森松适当运动:9.2
赤纬适当运动:-13.8
B-T magnitude:9.487
V-T magnitude:8.079

目录:
适当名称   (Edit)
HD 1989HD 179810
TYCHO-2 2000TYC 7918-649-1
USNO-A2.0USNO-A2 0450-37178930
HIPHIP 94652

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