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HD 117806


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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:Centaurus
Right ascension:13h33m24.24s
Declination:-38°52'18.2"
Apparent magnitude:7.575
Distance:286.533 parsecs
Proper motion RA:-16
Proper motion Dec:-1.6
B-T magnitude:7.825
V-T magnitude:7.596

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 117806
TYCHO-2 2000TYC 7788-1901-1
USNO-A2.0USNO-A2 0450-15873170
HIPHIP 66129
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