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HD 161672


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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:Ara
Right ascension:17h49m51.34s
Declination:-53°19'34.1"
Apparent magnitude:7.983
Distance:134.953 parsecs
Proper motion RA:-8.5
Proper motion Dec:-11.2
B-T magnitude:8.503
V-T magnitude:8.026

Catalogs and designations:
Proper Names
HD 1989HD 161672
TYCHO-2 2000TYC 8742-3023-1
USNO-A2.0USNO-A2 0300-32761249
HIPHIP 87260
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