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HD 9713


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The galactic foreground reddening in the direction of the nearby triangulum galaxy M33
Observations of 314 stars with the uvby-beta photometric system are usedto establish the reddening in the direction of the nearby Triangulumgalaxy M33. Color excesses are obtained for 151 A and F type stars in a1 deg radius centered around the galaxy. A color excess of E(b-y) =0.057 mag /E(B-V) = 0.077 mag/ is obtained for a distance modulus m - M= 10. A secondary result of this investigation is the discovery of sixsuspected variable stars, as well as ten observations of V Triangulum, aBeta Lyrae eclipsing variable.

Stars with large proper motions in the Astrographic zones + 32° and 33° (List II)
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观测天体数据

星座:蝘蜓座
右阿森松:01h35m41.44s
赤纬:+31°44'52.4"
视星:8.925
距离:187.97 天文距离
右阿森松适当运动:24.7
赤纬适当运动:-23.7
B-T magnitude:9.433
V-T magnitude:8.967

目录:
适当名称
HD 1989HD 9713
TYCHO-2 2000TYC 2293-115-1
USNO-A2.0USNO-A2 1200-00663574
HIPHIP 7428
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