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HD 68116


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The distance to the LMC from UVBY beta photometry of B stars
The uvby beta photometry of nonsupergiant B stars in the LMC obtainedwith the 3.9-m Anglo-Australian telescope has been combined with earlierdata published on B supergiants to give a distance modulus of 18.3 + or- 0.2, corresponding to a distance of 46 kpc. This result is independentof the methods using Cepheids. It uses the same calibration of theluminosities of B stars as is used to determine the zero-point of theCepheid P/L/C relation in the Galaxy and provides an independent checkof that zero-point within the LMC.

A distance modulus of the LMC from UVBY beta photometry of B supergiants
Stromgren four-color and H-beta photometry has been obtained for 44 Bsupergiants in the Large Magellanic Cloud. As expected, nearly one-halfof them have beta indices which suggest emission at H-beta. From 24stars which appear to be free from this emission, thebeta/c0/M(v) calibration of Balona and Shobbrook (1984),applied with a correction to the beta index for the mean radial velocityof the LMC stars, indicates a distance modulus of 18.8 + or - 0.3.

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观测天体数据

星座:船帆座
右阿森松:08h08m45.91s
赤纬:-50°29'30.3"
视星:8.135
距离:500 天文距离
右阿森松适当运动:-5
赤纬适当运动:5.2
B-T magnitude:8.114
V-T magnitude:8.134

目录:
适当名称   (Edit)
HD 1989HD 68116
TYCHO-2 2000TYC 8144-3268-1
USNO-A2.0USNO-A2 0375-04881893
HIPHIP 39880

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