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HD 21475


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UBV (RI)c standard stars in the E- and F-regions and in the Magellanic Clouds - a revised catalogue.
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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.

UBV(RI)c photometry of some standard sequences in the Harvard F regions and in the Magellanic Clouds
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1988MNRAS.231.1047M&db_key=AST

Standard Stars for VRI Photometry with S25 Response Photocathodes
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Observation and Astrometry data

Constellation:Hydrus
Right ascension:03h21m22.98s
Declination:-74°35'39.3"
Apparent magnitude:8.037
Distance:194.175 parsecs
Proper motion RA:-4.5
Proper motion Dec:11
B-T magnitude:8.347
V-T magnitude:8.063

Catalogs and designations:
Proper Names
HD 1989HD 21475
TYCHO-2 2000TYC 9158-1418-1
USNO-A2.0USNO-A2 0150-01494924
HIPHIP 15641
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