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HD 136505

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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.
Finding list and spectral classifications for southern luminous stars. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976AJ.....81..225M&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Lupo
Ascensione retta:	15^h23^m09.53^s
Declinazione:	-51Â°44'09.8"
Magnitudine apparente:	6.679
Distanza:	613.497 parsec
Moto proprio RA:	-6.5
Moto proprio Dec:	-5.9
B-T magnitude:	8.186
V-T magnitude:	6.804

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 136505
TYCHO-2 2000	TYC 8307-908-1
USNO-A2.0	USNO-A2 0375-24316760
HIP	HIP 75306

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