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Relict Gas-and-Dust Disks Around AB Stars in the Orion Nebula. I. IR Excesses

Relict Gas-and-Dust Disks Around AB Stars in the Orion Nebula. I. IR Excesses This paper is devoted to the study of gas-and-dust disks around young AB stars in the association Orion OB1. The observed spectral flux values of these stars in the wavelength range of 0.36–100 μm are determined. We used the results of multicolor photometric observations in the \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$UBVRIJHK$$\end{document}-bands, as well as data from the WISE and IRAS catalogs. It is shown that many program stars have radiation excesses in the far IR range. It is assumed that such an excess may be the result of the formation of a gas-dust disk around the program stars similar to those for Vega-type stars. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Astrophysical Bulletin Springer Journals

Relict Gas-and-Dust Disks Around AB Stars in the Orion Nebula. I. IR Excesses

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References (28)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2021. ISSN 1990-3413, Astrophysical Bulletin, 2021, Vol. 76, No. 4, pp. 415–423. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Astrofizicheskii Byulleten’, 2021, Vol. 76, No. 4, pp. 495–505.
ISSN
1990-3413
eISSN
1990-3421
DOI
10.1134/s1990341321040064
Publisher site
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Abstract

This paper is devoted to the study of gas-and-dust disks around young AB stars in the association Orion OB1. The observed spectral flux values of these stars in the wavelength range of 0.36–100 μm are determined. We used the results of multicolor photometric observations in the \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$UBVRIJHK$$\end{document}-bands, as well as data from the WISE and IRAS catalogs. It is shown that many program stars have radiation excesses in the far IR range. It is assumed that such an excess may be the result of the formation of a gas-dust disk around the program stars similar to those for Vega-type stars.

Journal

Astrophysical Bulletin – Springer Journals

Published: Oct 1, 2021

Keywords: stars: variables: T Tauri, Herbig Ae/Be; stars: pre-main sequence; stars: magnetic field; infrared: stars

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