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HD 134704


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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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观测天体数据

星座:豺狼座
右阿森松:15h12m54.64s
赤纬:-44°57'31.5"
视星:7.902
距离:469.484 天文距离
右阿森松适当运动:-6.2
赤纬适当运动:-5.3
B-T magnitude:9.076
V-T magnitude:7.999

目录:
适当名称
HD 1989HD 134704
TYCHO-2 2000TYC 7834-39-1
USNO-A2.0USNO-A2 0450-19771313
HIPHIP 74454
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