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HD 226502


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Mesures de vitesses radiales. VII. Accompagnement AU sol DU programme d'observation DU satellite Hipparcos. Radial velocities. VII. Ground based measurements for Hipparcos.
We publish 734 radial velocities of stars distributed in 28 fields of4x4deg. We continue the PPO series (Fehrenbach et al. 1987; Duflot etal. 1990 and 1992), using the Fehrenbach objective prism method.

Photometry in the Cygnus X-1 field
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&A....30..467M&db_key=AST

On the Distance to Cygnus X-1
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973ApJ...185L.113M&db_key=AST

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观测天体数据

星座:天鵝座
右阿森松:19h54m49.05s
赤纬:+35°00'19.9"
视星:8.563
距离:408.163 天文距离
右阿森松适当运动:4.5
赤纬适当运动:-13.7
B-T magnitude:9.403
V-T magnitude:8.633

目录:
适当名称
HD 1989HD 226502
TYCHO-2 2000TYC 2677-500-1
USNO-A2.0USNO-A2 1200-13743851
HIPHIP 97987

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