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HD 203647


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관련 글

BVR observations of polarization parameters of stars in reflection nebulas
The observed polarizations of the nuclei of reflection nebulas and fieldstars in B, V, R filters are given. A connection has been found betweenthe direction of the polarization vector, the structure of thereflection nebula, and the shape of the cloud in which the nebula issituated. The direction of the plane of polarization for stars seenthrough the filamentary structure of a nebula is the same as thedirection of the filaments. Stars situated at the edges of clouds andchannels have direction of the polarization vector the same as theapparent boundary of the cloud.

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관측 및 측정 데이터

별자리:조랑말자리
적경:21h23m33.61s
적위:+05°26'14.8"
가시등급:8.868
적경상의 고유운동:11.2
적위상의 고유운동:-3.2
B-T magnitude:10.248
V-T magnitude:8.982

천체목록:
일반명   (Edit)
HD 1989HD 203647
TYCHO-2 2000TYC 537-706-1
USNO-A2.0USNO-A2 0900-19579951

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