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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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Observation and Astrometry data

Constellation:Microscope
Right ascension:20h31m36.40s
Declination:-42°00'55.2"
Apparent magnitude:8.673
Distance:239.234 parsecs
Proper motion RA:-13.2
Proper motion Dec:-34.6
B-T magnitude:10.525
V-T magnitude:8.826

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 195226
TYCHO-2 2000TYC 7958-604-1
USNO-A2.0USNO-A2 0450-38972974
HIPHIP 101269

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