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TYC 2146-206-1


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Photometry and analysis of the eclipsing binary V909 Cygni
The first photoelectric observations of the photometrically neglectedeclipsing binary V909 Cygni in blue and yellow colours are presented. Itwas found that the orbital period of the system should be twice that ofgiven in the catalogues. The light curves were analysed by means ofWood's model simulation program WINK. The system was found to be adetached binary.

A Search for Metal-Deficient Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970ApJS...22..117B&db_key=AST

Stellar Spectra in Milky way Regions. II. a Region in Cygnus.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1950ApJ...112...90M&db_key=AST

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观测天体数据

星座:天鵝座
右阿森松:19h36m32.73s
赤纬:+28°06'39.1"
视星:9.817
右阿森松适当运动:-15.1
赤纬适当运动:-21.6
B-T magnitude:10.275
V-T magnitude:9.855

目录:
适当名称   (Edit)
TYCHO-2 2000TYC 2146-206-1
USNO-A2.0USNO-A2 1125-13424923
HIPHIP 96450

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