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IR photometry results and dust envelope model for symbiotic Mira star candidate V 335 Vul

IR photometry results and dust envelope model for symbiotic Mira star candidate V 335 Vul We present the results of JHKLM-photometry for the symbiotic Mira star candidate V 335 Vul. Based on the average flux data, supplemented by IRAS, MSX, AKARI, and WISE mid-IR observations, we calculated a model of a spherically symmetric dust envelope of the star, made up of amorphous carbon and silicon carbide particles. The optical depth of the envelope in the visible range with a dust temperature at the inner boundary of T 1 = 1300 K is τ V = 0.58. For an envelope expansion velocity of 26.5 km s−1, the estimated mass loss rate is equal to 5.7 × 10−7 M ⊙ yr−1. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Astrophysical Bulletin Springer Journals

IR photometry results and dust envelope model for symbiotic Mira star candidate V 335 Vul

Bogdanov, M.; Taranova, O.; Shenavrin, V.
Astrophysical Bulletin , Volume 72 (4) – Nov 23, 2017
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Publisher
Springer Journals
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Physics; Astronomy, Astrophysics and Cosmology
ISSN
1990-3413
eISSN
1990-3421
DOI
10.1134/S1990341317040071
Publisher site
See Article on Publisher Site

Abstract

We present the results of JHKLM-photometry for the symbiotic Mira star candidate V 335 Vul. Based on the average flux data, supplemented by IRAS, MSX, AKARI, and WISE mid-IR observations, we calculated a model of a spherically symmetric dust envelope of the star, made up of amorphous carbon and silicon carbide particles. The optical depth of the envelope in the visible range with a dust temperature at the inner boundary of T 1 = 1300 K is τ V = 0.58. For an envelope expansion velocity of 26.5 km s−1, the estimated mass loss rate is equal to 5.7 × 10−7 M ⊙ yr−1.

Journal

Astrophysical Bulletin – Springer Journals

Published: Nov 23, 2017

References

  • IBVS
    Munari, U.; Tomov, T.; Rejkuba, M.