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HD 23117


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Interstellar polarization in a southern H I cloud
Polarimetric observations of 54 stars in the direction of a southern H Ifilament are presented. The observed polarization is in general verylow. A weak correlation between the angle of polarization and thestructure of the filament was found. By means of the variation of thepolarization with the distance, it is inferred that the cloud is locatedat about 350 pc. Comparing the observed polarization with the colorexcess, the low degree of polarization in this region is interpreted asdue to a projection effect of the galactic magnetic field.

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Observation and Astrometry data

Constellation:みずへび座
Right ascension:03h36m23.72s
Declination:-73°23'42.5"
Apparent magnitude:8.482
Distance:423.729 parsecs
Proper motion RA:29.4
Proper motion Dec:21.4
B-T magnitude:9.881
V-T magnitude:8.598

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 23117
TYCHO-2 2000TYC 9158-337-1
USNO-A2.0USNO-A2 0150-01545371
HIPHIP 16812

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