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HD 112782


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Photometry of F-K type bright giants and supergiants. I - Intermediate band and H-Beta observations
Over 1500 observations of 560 bright giants and supergiants of types F-Kare presented and compared to the observations by Gray and Olsen (1991).The present results include intermediate-band which is slightlydifferent from the Stromgren data by Gray and Olsen due to a differentwidth for the v filter. A systematic difference in m(1) - M(1) withdecreasing temperature is noted in the two H-Beta data sets, and thecorrelations are defined.

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:12h59m58.62s
Declination:-57°31'13.5"
Apparent magnitude:8.281
Distance:1075.269 parsecs
Proper motion RA:-8.8
Proper motion Dec:0.8
B-T magnitude:9.949
V-T magnitude:8.419

Catalogs and designations:
Proper Names
HD 1989HD 112782
TYCHO-2 2000TYC 8656-518-1
USNO-A2.0USNO-A2 0300-17214349
HIPHIP 63438
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