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HD 51491


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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:りゅうこつ座
Right ascension:06h53m50.06s
Declination:-60°03'23.0"
Apparent magnitude:9.182
Proper motion RA:11.4
Proper motion Dec:3.8
B-T magnitude:9.627
V-T magnitude:9.219

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 51491
TYCHO-2 2000TYC 8908-236-1
USNO-A2.0USNO-A2 0225-03279462
HIPHIP 33117
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