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HD 150558


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A photometric study of K and M dwarf stars found by Stephenson
Broadband photometry has been obtained for a sample of the K and M dwarfstars found in an objective prism survey by Stephenson (1986). Among thestars with unknown proper motion, about 24 percent of those observedappear from the photometry not to be dwarfs, although the percentagevaries considerably with spectral type. For stars with V less than 11.5and B - V equal to or greater than 1.2, it is estimated that, within thearea surveyed, Stephenson's survey is about 68 percent complete.

Dwarf K and M stars of small proper motion found in a large spectroscopic survey
More than 2000 candidates for K and M dwarf status, generally havingproper motions that are either unknown or less than 0.2 arcsec perannum, have been identified in an objective-prism survey covering theentire sky north of declination - 25 degrees and more than 10 degreesfrom the galactic plane. More than 95 percent have no previousindication that they are dwarfs. Several dozen appear to be visualdouble stars.

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观测天体数据

星座:蛇夫座
右阿森松:16h42m07.09s
赤纬:-06°56'09.6"
视星:8.404
距离:2857.143 天文距离
右阿森松适当运动:-29.5
赤纬适当运动:-32.6
B-T magnitude:10.54
V-T magnitude:8.581

目录:
适当名称   (Edit)
HD 1989HD 150558
TYCHO-2 2000TYC 5061-1063-1
USNO-A2.0USNO-A2 0825-09582588
HIPHIP 81766

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