SIMBAD references

2002A&A...395..891H - Astronomy and Astrophysics, volume 395, 891-898 (2002/12-1)

Bispectrum speckle interferometry of the B[e] star MWC 349A.

HOFMANN K.-H., BALEGA Y., IKHSANOV N.R., MIROSHNICHENKO A.S. and WEIGELT G.

Abstract (from CDS):

We present the results of bispectrum speckle interferometry of the B[e] star MWC 349A obtained with the SAO 6m telescope. Our diffraction-limited J-, H-, and K-band images (resolutions 43-74mas) suggest the star is surrounded by a circumstellar disk seen almost edge-on. The observed visibility shape is consistent with a two-component elliptical disk model, probably corresponding to the gaseous and dusty components of the disk. We show that the classification of the object as a pre-main-sequence star or a young planetary nebula is problematic. An analysis of the uncertainties in the basic parameter determination leads us to the conclusion that MWC 349A is probably either a B[e] supergiant or a binary system, in which the B[e]-companion dominates the observed properties.

Abstract Copyright:

Journal keyword(s): techniques: image processing - stars: emission-line, Be - stars: individual: MWC 349A

Simbad objects: 10

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2019.10.21-18:41:42

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