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HD 203637


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A classification of Be stars
Based upon a sample of 140 stars observed over 20 years for which about5,000 spectrograms are available, a classification scheme of Be stars ispresented. This is the first attempt to subdivide the Be star group intophysically significant subgroups, from which typical objects can beselected for further study. The four groups proposed are based upon adiscussion of spectrum characteristics, multicolor photometry,polarization, rotational velocities, UV spectral types and timevariability. Starting with the group membership of a Be star,predictions can be made of the future behavior of it.

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Observation and Astrometry data

Constellation:Steinbock
Right ascension:21h24m08.41s
Declination:-19°37'14.9"
Apparent magnitude:9.297
Proper motion RA:10.6
Proper motion Dec:-36.3
B-T magnitude:9.801
V-T magnitude:9.339

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 203637
TYCHO-2 2000TYC 6368-43-1
USNO-A2.0USNO-A2 0675-36377347
HIPHIP 105663

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