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  IRAS 22150+6109 - a young B-type star with a large disc

Zakhozhay, O. V., Miroshnichenko, A. S., Kuratov, K. S., Zakhozhay, V. A., Khokhlov, S. A., Zharikov, S. V., et al. (2018). IRAS 22150+6109 - a young B-type star with a large disc. Monthly Notices of the Royal Astronomical Society, 477, 977-982.

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 Creators:
Zakhozhay, Olga V.1, Author
Miroshnichenko, Anatoly S.1, Author
Kuratov, Kenesken S.1, Author
Zakhozhay, Vladimir A.1, Author
Khokhlov, Serik A.1, Author
Zharikov, Sergey V.1, Author
Manset, Nadine1, Author
Affiliations:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

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Free keywords: protoplanetary discs stars: individual: IRAS 22150+6109 planetary systems Astrophysics - Earth and Planetary Astrophysics Astrophysics - Solar and Stellar Astrophysics
 Abstract: We present the results of a spectroscopic analysis and spectral energy distribution (SED) modelling of the optical counterpart of the infrared source IRAS 22150+6109. The source was suggested to be a Herbig Be star located in the star-forming region L 1188. Absorption lines in the optical spectrum indicate a spectral type B3, while weak Balmer emission lines reflect the presence of a circumstellar gaseous disc. The star shows no excess radiation in the near-infrared spectral region and a strong excess in the far-infrared that we interpret as radiation from a large disc, the inner edge of which is located very far from the star (550 au) and does not attenuate its radiation. We conclude that IRAS 22150+6109 is an intermediate-mass star that is currently undergoing a short pre-main-sequence evolutionary stage.

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 Dates: 2018
 Publication Status: Issued
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Title: Monthly Notices of the Royal Astronomical Society
Source Genre: Journal
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Pages: - Volume / Issue: 477 Sequence Number: - Start / End Page: 977 - 982 Identifier: -