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HD 202895


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A photometric and spectroscopic search for luminous high latitude stars
Formulas, derived by Arellano Ferro and Mendoza in Paper I (1993), tocalculate Mv, log g, and (Fe/H) were applied to a group of 73A, F, and G stars of high galactic latitude previously classified assupergiant stars. The only star that showed, from data on hand, to beluminous, slightly iron deficient, and out of the galactic plane was BLTelescopii. The remainder of the sample either present controversialresults or are definitively giant or dwarf stars misclassified assupergiants. Thus, if luminous, young stars indeed exist out of thegalactic plane, they are extremely rare.

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:Indus
Right ascension:21h20m21.83s
Declination:-47°17'53.5"
Apparent magnitude:8.962
Distance:518.135 parsecs
Proper motion RA:28.5
Proper motion Dec:-26
B-T magnitude:9.452
V-T magnitude:9.003

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 202895
TYCHO-2 2000TYC 8426-200-1
USNO-A2.0USNO-A2 0375-39386999
HIPHIP 105353

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