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SiO Maser Movies: The Re-Run

M. D. Gray, M. Wittkowski, E. M. L. Humphreys, S. Yu. Parfenov, M. Sobolev

Transactions of IAA RAS, issue 40, 78–83 (2017)

Keywords: VLBI, masers, radiative transfer, stars: AGB & post-AGB

Abstract

We report preliminary results of a new time-dependent model of SiO maser emission in the extended atmosphere of an AGB star. We compare this model to time-series observations of SiO masers towards the Mira variable TX Cam. The model masers are predominantly radiatively pumped, at least in the second half of the stellar pulsation period. Predictions for the radius of peak maser brightness and the width of the maser ring are broadly in line with the observations.

Citation

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RIS

M. D. Gray, M. Wittkowski, E. M. L. Humphreys, S. Yu. Parfenov, M. Sobolev. SiO Maser Movies: The Re-Run // Transactions of IAA RAS. — 2017. — Issue 40. — P. 78–83.

@article{gray2017,
  abstract = {We report preliminary results of a new time-dependent model of SiO maser emission in the extended atmosphere of an AGB star. We compare this model to time-series observations of SiO masers towards the Mira variable TX Cam. The model masers are predominantly radiatively pumped, at least in the second half of the stellar pulsation period. Predictions for the radius of peak maser brightness and the width of the maser ring are broadly in line with the observations.},
  author = {M.~D. Gray and M. Wittkowski and E.~M.~L. Humphreys and S.~Yu. Parfenov and M. Sobolev},
  issue = {40},
  journal = {Transactions of IAA RAS},
  keyword = {VLBI, masers, radiative transfer, stars: AGB & post-AGB},
  pages = {78--83},
  title = {SiO Maser Movies: The Re-Run},
  url = {http://iaaras.ru/en/library/paper/1683/},
  year = {2017}
}

TY  - JOUR
TI  - SiO Maser Movies: The Re-Run
AU  - Gray, M. D.
AU  - Wittkowski, M.
AU  - Humphreys, E. M. L.
AU  - Parfenov, S. Yu.
AU  - Sobolev, M.
PY  - 2017
T2  - Transactions of IAA RAS
IS  - 40
SP  - 78
AB  - We report preliminary results of a new time-dependent model of SiO
maser emission in the extended atmosphere of an AGB star. We compare
this model to time-series observations of SiO masers towards the Mira
variable TX Cam. The model masers are predominantly radiatively
pumped, at least in the second half of the stellar pulsation period.
Predictions for the radius of peak maser brightness and the width of
the maser ring are broadly in line with the observations.
UR  - http://iaaras.ru/en/library/paper/1683/
ER  -