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HD 211999


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Vilnius Photometry of Stars in the Area of SA 57
Interstellar reddening, as a function of distance in the direction ofthe North Galactic Pole (SA 57), is determined using the two-dimensionalclassification of 63 stars observed in the Vilnius photometric system.The average value of A_V calculated for the stars up to 800 pc distanceis close to zero (the mean value is A_V=0.01 mag) with a standarddeviation of the order of sigma =+/- 0.1 mag. This dispersion of pointsis exactly what is expected from the errors of measurement andclassification.

Photoelectric photometry of early-type stars in a Milky Way field in Cepheus
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970A&AS....2..251S&db_key=AST

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观测天体数据

星座:仙王座
右阿森松:22h19m33.40s
赤纬:+60°56'51.1"
视星:9.379
右阿森松适当运动:5.7
赤纬适当运动:1.5
B-T magnitude:9.728
V-T magnitude:9.408

目录:
适当名称   (Edit)
HD 1989HD 211999
TYCHO-2 2000TYC 4264-978-1
USNO-A2.0USNO-A2 1500-08997881
HIPHIP 110216

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