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HD 85552


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The calibration of the Stromgren photometric system for A, F and early G supergiants. I - The observational data
An empirical calibration of the Stromgren uvby-beta photometric systemfor the A, F, and early G supergiants is being derived. This paperexplains the observational program and the photometric reductiontechniques used and presents a catalog of new Stromgren photometry forover 600 A, F, and G supergiants.

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Observation and Astrometry data

Constellation:Luftpumpe
Right ascension:09h51m37.90s
Declination:-38°11'19.1"
Apparent magnitude:7.779
Distance:220.264 parsecs
Proper motion RA:-9.5
Proper motion Dec:-0.7
B-T magnitude:8.669
V-T magnitude:7.853

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 85552
TYCHO-2 2000TYC 7694-84-1
USNO-A2.0USNO-A2 0450-10263197
HIPHIP 48369
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