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HD 213580


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Photometry of stars in the uvgr system
Photoelectric photometry is presented for over 400 stars using the uvgrsystem of Thuan and Gunn. Stars were selected to cover a wide range ofspectral type, luminosity class, and metallicity. A mean main sequenceis derived along with reddening curves and approximate transformationsto the UBVR system. The calibration of the standard-star sequence issignificantly improved.

Spectral classification of stars in Lac OB1
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976AJ.....81.1120G&db_key=AST

A Study of the i Lacertae Association.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1959ApJ...129..601H&db_key=AST

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观测天体数据

星座:蠍虎座
右阿森松:22h31m54.85s
赤纬:+37°12'13.9"
视星:9.113
右阿森松适当运动:10.3
赤纬适当运动:1.7
B-T magnitude:9.306
V-T magnitude:9.129

目录:
适当名称   (Edit)
HD 1989HD 213580
TYCHO-2 2000TYC 2747-851-1
USNO-A2.0USNO-A2 1200-19279827
HIPHIP 111217

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