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W49 Source Structure from VLBI Observational Data of 1.35 cm Wavelength

A. V. Ipatov, V. A. Demichev, A. E. Melnikov, A. G. Mikhailov

Transactions of IAA RAS, issue 43, 78–84 (2017)

Keywords: VLBI, maser sources, star formation regions, VLBI network «Quasar», W49

Abstract

The structure of the W49 gas and dust complex has been investigated in the water vapor emission line using the VLBI network «Quasar» at the frequency of 22,235 MHz in the left- and right-hand circular polarization. Radio maps have been obtained in the polarized emission with the angular resolution varied from 5 to 30 mas. Active zones are found on the 2×2' pad, their parameters are estimated. The source of the main emission is the components whose sizes do not exceed 5 mas.

Citation

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A. V. Ipatov, V. A. Demichev, A. E. Melnikov, A. G. Mikhailov. W49 Source Structure from VLBI Observational Data  of 1.35 cm Wavelength // Transactions of IAA RAS. — 2017. — Issue 43. — P. 78–84.

@article{ipatov2017,
  abstract = {The structure of the W49 gas and dust complex has been investigated in the water vapor emission line using the VLBI network «Quasar» at the frequency of 22,235 MHz in the left- and right-hand circular polarization. Radio maps have been obtained in the polarized emission with the angular resolution varied from 5 to 30 mas. Active zones are found on the 2×2' pad, their parameters are estimated. The source of the main emission is the components whose sizes do not exceed 5 mas.},
  author = {A.~V. Ipatov and V.~A. Demichev and A.~E. Melnikov and A.~G. Mikhailov},
  issue = {43},
  journal = {Transactions of IAA RAS},
  keyword = {VLBI, maser sources, star formation regions, VLBI network «Quasar», W49},
  pages = {78--84},
  title = {W49 Source Structure from VLBI Observational Data  of 1.35 cm Wavelength},
  url = {http://iaaras.ru/en/library/paper/1767/},
  year = {2017}
}

TY  - JOUR
TI  - W49 Source Structure from VLBI Observational Data  of 1.35 cm Wavelength
AU  - Ipatov, A. V.
AU  - Demichev, V. A.
AU  - Melnikov, A. E.
AU  - Mikhailov, A. G.
PY  - 2017
T2  - Transactions of IAA RAS
IS  - 43
SP  - 78
AB  - The structure of the W49 gas and dust complex has been investigated
in the water vapor emission line using the VLBI network «Quasar» at
the frequency of 22,235 MHz in the left- and right-hand circular
polarization. Radio maps have been obtained in the polarized emission
with the angular resolution varied from 5 to 30 mas. Active zones are
found on the 2×2' pad, their parameters are estimated. The source of
the main emission is the components whose sizes do not exceed 5 mas.
UR  - http://iaaras.ru/en/library/paper/1767/
ER  -