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Dust and gas in shells around Herbig Ae/Be stars

Published online by Cambridge University Press:  26 May 2016

N.V. Voshchinnikov ,
V.B. Il'in  and
A.F. Kholtygin
N.V. Voshchinnikov
Affiliation:
MPG “Dust in Star-Forming Regions”, Jena, Germany and Astronomical Observatory, St. Petersburg University, St. Petersburg, Russia
V.B. Il'in
Affiliation:
Astronomical Observatory, St. Petersburg University, St. Petersburg, Russia
A.F. Kholtygin
Affiliation:
Astronomical Observatory, St. Petersburg University, St. Petersburg, Russia

Extract

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Herbig Ae/Be (HAEBE) stars are young objects with strong infrared excesses, variable brightness, intrinsic polarization and complex spectral line profiles. Almost all of these features are due to the presence of circumstellar (CS) shells. We consider the group of HAEBE stars with non-periodic Algol-like minima (UX Ori, WW Vul, etc.). They have irregular brightness drops by 2–3 mag in the visual, accompanied by an increase of linear polarization.

Type
6. Be Stars: Circumstellar Environment
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 392 - 393
Copyright
Copyright © Kluwer 1994 

References

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