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B(e) star
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A B star, frequently called a B-type star, is a B-type star with distinctive forbidden neutral or low ionisation emission lines in its spectrum. The designation results from combining the spectral cla
Nebulosity around the B[e] star HD 87643
Nebulosity around the B[e] star HD 87643
The Seagull Nebula is a roughly circular HII region centred on the Herbig Ae/Be star HD 53367.
The Seagull Nebula is a roughly circular HII region centred on the Herbig Ae/Be star HD 53367.
Supergiant
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Supergiants are among the most massive and most luminous stars. Supergiant stars occupy the top region of the Hertzsprung–Russell diagram, with absolute visual magnitudes between about −3 and −8. The
B(e) star
…Following the recognition that the B[e] phenomenon could occur in several distinct types of star, four sub-types were named: B[e] supergiants (sgB[e]) pre-main sequence B[e] stars (HAeB[e]), a subset of the Herbig Ae/Be stars…
The four brightest stars in NGC 4755 are blue supergiant stars, with a red supergiant star at the centre. (ESO VLT)
The four brightest stars in NGC 4755 are blue supergiant stars, with a red supergiant star at the centre. (ESO VLT)
The disc and atmosphere of Betelgeuse (ESO)
The disc and atmosphere of Betelgeuse (ESO)
RS Puppis is a supergiant and classical Cepheid variable.
RS Puppis is a supergiant and classical Cepheid variable.
G299 Remnants Super Nova Type 1a 20150218
G299 Remnants Super Nova Type 1a 20150218