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HD 200947


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New peculiar stars identified on objective-prism plates
Tables are presented of 90 peculiar stars revealed on more than oneobjective-prism plate and 61 suspected peculiar stars based on a singlespectrum. The set of 90 peculiar stars includes 48 Ap, 32 Am, and 10stars with composite spectra. The stars were identified as peculiarstars during spectral classification in the regions of the OBassociations Cyg OB4, Cep-Lac OB1, and Cas OB9. The spectralcharacteristics of the different types of peculiar stars are discussed.

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Observation and Astrometry data

Constellation:Cygne
Right ascension:21h05m28.78s
Declination:+37°38'24.1"
Apparent magnitude:8.604
Distance:431.034 parsecs
Proper motion RA:18.3
Proper motion Dec:5.8
B-T magnitude:8.729
V-T magnitude:8.615

Catalogs and designations:
Proper Names
HD 1989HD 200947
TYCHO-2 2000TYC 3168-315-1
USNO-A2.0USNO-A2 1275-14674631
HIPHIP 104104

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