HD 158800

Contents

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.

Catalogs and designations:

Proper Names
HD 1989	HD 158800
TYCHO-2 2000	TYC 7896-1512-1
USNO-A2.0	USNO-A2 0450-28584302
HIP	HIP 85903

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