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HD 210310


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Mass to line-strength relations from IUE spectra of early-type stars
An extensive survey of the 1200-1900 A region in OB type stellar spectraobtained from the IUE archives has been used to establish line-strengthversus spectral-type relationships. One hundred and sixty-threelow-resolution IUE spectra of 124 well-classified O3 to B5 stars wereexamined. Earlier results that the equivalent width of Si IV (1400 A)and C IV (1550 A) features are well correlated with optical spectraltype are confirmed. The equivalent width/spectral type/luminosity classrelations for these features are then established.

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Observation and Astrometry data

Constellation:Pegasus
Right ascension:22h08m45.79s
Declination:+34°30'15.8"
Apparent magnitude:8.709
Distance:274.725 parsecs
Proper motion RA:-7.7
Proper motion Dec:-7.8
B-T magnitude:10.104
V-T magnitude:8.825

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 210310
TYCHO-2 2000TYC 2728-988-1
USNO-A2.0USNO-A2 1200-18933458
HIPHIP 109313

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