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HD 839


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Empirical effective temperatures of late O, B, A and early F stars
Empirical effective temperatures of 99 late O, B, A and early F starshave been derived by combining space observations in the ultravioletwith ground-based observations and by fitting the computed fluxes to theobserved fluxes in the visible and ultraviolet spectral ranges.Effective temperatures found here are in good agreement with thosederived by previous workers.

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Observation and Astrometry data

Constellation:ほうおう座
Right ascension:00h12m29.83s
Declination:-56°24'48.0"
Apparent magnitude:9.855
Proper motion RA:13.7
Proper motion Dec:-6.7
B-T magnitude:10.472
V-T magnitude:9.906

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 839
TYCHO-2 2000TYC 8467-704-1
USNO-A2.0USNO-A2 0300-00058944
HIPHIP 997

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