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HD 141687


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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.

Five-channel photometry of cepheids and supergiants in the southern Milky Way.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976A&AS...24..413P&db_key=AST

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Observation and Astrometry data

Constellation:Règle
Right ascension:15h52m13.16s
Declination:-45°17'03.7"
Apparent magnitude:6.561
Distance:264.55 parsecs
Proper motion RA:-13.2
Proper motion Dec:3.5
B-T magnitude:7.66
V-T magnitude:6.652

Catalogs and designations:
Proper Names
HD 1989HD 141687
TYCHO-2 2000TYC 8309-222-1
USNO-A2.0USNO-A2 0375-25868253
HIPHIP 77730
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