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HD 195226


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Observations of interstellar diffuse absorption band at 4430 A
Observations of the interstellar diffuse absorption band at 4430 A for800 O and B stars in Neckel's (1967) catalog are being carried out, and482 spectra obtained up to September 1983 have been reduced. It isconfirmed that the strength of the interstellar diffuse absorption bandat 4430 A does not simply relate to the abundance of interstellar grainson the line of sight. The relation between the color excess E(B-V) andthe equivalent width of the band to the direction of l = 130-140 deg andb = -5 to +5 deg shows that some parameter(s) other than E(B-V) is (are)needed to understand the cause of this band.

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观测天体数据

星座:顯微鏡座
右阿森松:20h31m36.40s
赤纬:-42°00'55.2"
视星:8.673
距离:239.234 天文距离
右阿森松适当运动:-13.2
赤纬适当运动:-34.6
B-T magnitude:10.525
V-T magnitude:8.826

目录:
适当名称   (Edit)
HD 1989HD 195226
TYCHO-2 2000TYC 7958-604-1
USNO-A2.0USNO-A2 0450-38972974
HIPHIP 101269

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