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HD 57950


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Spectral Classification of Stars in A Supplement to the Bright Star Catalogue
MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.

VRI photometry of selected SAO stars
Johnson V, R, and I photoelectric photometry has been obtained for 199SAO stars in support of the Near Infrared Photographic Sky Survey. Thesedata are utilized in the calibration of survey photographs and arepresented here to assist other programs reliant upon access tophotometry in the photographic infrared.

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观测天体数据

星座:天貓座
右阿森松:07h25m51.96s
赤纬:+48°32'52.0"
视星:6.765
距离:191.571 天文距离
右阿森松适当运动:-4.1
赤纬适当运动:-27.6
B-T magnitude:6.695
V-T magnitude:6.76

目录:
适当名称   (Edit)
HD 1989HD 57950
TYCHO-2 2000TYC 3397-19-1
USNO-A2.0USNO-A2 1350-07101973
HIPHIP 36056

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