Dust and gas in shells around Herbig Ae/Be stars

Dust and gas in shells around Herbig Ae/Be stars

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-...

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Veröffentlicht in:Symposium - International Astronomical Union 1994, Vol.162, p.392-393
Hauptverfasser: Voshchinnikov, N.V., Il'in, V.B., Kholtygin, A.F.
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Sprache:eng
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Zusammenfassung: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.
ISSN:0074-1809
DOI:10.1017/S0074180900215465