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early-type star

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early-type star

[′ər·lē ¦tīp ′stär]
(astrophysics)
A star with relatively high surface temperature, in spectral class O or B.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Although such metals are also present in early-type stars, at the hotter temperatures they are more highly ionized, so the neutral metal lines disappear from the spectrum.
Getting the Most from a CCD Spectrograph : Amateurs with backyard telescopes are taking their own spectra of stars, nebulae, and galaxies. But there's more to it than just recording a spectrum's image
The remaining sources include photospheres and winds of the massive and hot early-type stars, cataclysmic variables, active galactic nuclei (AGNs), and such unique objects as the Vela supernova remnant, Cygnus Loop, and Jupiter-Io torus.
Observing a partly cloudy universe
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