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HD 33478


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UVBY beta photometry of peculiar B and A stars, discovered at Abastumani
Stromgren uvby photometry for 70 peculiar Bp, Ap, or Am type stars ispresented. The model grid of Relyea and Kurucz (1978) is used to obtaineffective temperatures and log g values, confirming the dwarf-nature ofAm stars. Good agreement is found between effective temperatures andequivalent spectral classes derived from the (b-y)0 values, although theA4-A5 stars in this sample may be cooler than normal stars ofluminosity-class III-V in this spectral range.

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Observation and Astrometry data

Constellation:Girafe
Right ascension:05h14m38.26s
Declination:+62°32'31.6"
Apparent magnitude:8.32
Distance:584.795 parsecs
Proper motion RA:11.1
Proper motion Dec:-20.3
B-T magnitude:8.537
V-T magnitude:8.338

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 33478
TYCHO-2 2000TYC 4084-2130-1
USNO-A2.0USNO-A2 1500-04126083
HIPHIP 24444

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