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HD 25772


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관련 글

UBVRI photometry of FKSZ stars. III
UBVRI photometry in the Kron-Cousins system is presented for 118 starsin the Catalogue of Fundamental Faint Stars (Zverev, 1957) in thedeclination zone between -60 and -90 degrees. The observations were madebetween September, 1984 and March, 1987 at the European SouthernObservatory at La Silla, Chile. Tables of the photometric data aregiven, including star number, V magnitude, spectral types, and (B-V),(U-B), (V-R), and (R-I) color indices.

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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관측 및 측정 데이터

별자리:물뱀자리
적경:03h58m41.20s
적위:-73°22'55.2"
가시등급:8.107
거리:487.805 파섹
적경상의 고유운동:8
적위상의 고유운동:14.3
B-T magnitude:9.708
V-T magnitude:8.24

천체목록:
일반명
HD 1989HD 25772
TYCHO-2 2000TYC 9159-1452-1
USNO-A2.0USNO-A2 0150-01624301
HIPHIP 18590

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