Synchrotron superbubble in the galaxy IC10: the ionized gas structure, kinematics, and emission spectrum

Details Synchrotron superbubble in the galaxy IC10: the ionized gas structure, kinematics, and emission spectrum Synchrotron superbubble in the galaxy IC10: the ionized gas structure, kinematics, and emission spectrum

2008-03-17

arxiv.org/abs/0803.2435v1

Astron.Lett.34:217,2008

Astronomy and Astrophysics

Astrophysics

12 pages, 9 EPS figures

Scientific paper

10.1134/S1063773708040014

We have investigated the structure, kinematics, and emission spectrum of the ionized gas in the synchrotron superbubble in the irregular galaxy IC 10 based on observations with the 6-m Special Astrophysical Observatory telescope with the SCORPIO focal reducer in three modes: direct imaging in the [SII](6717+6731)A lines, long-slit spectroscopy, and spectroscopy with a scanning Fabry--Perot interferometer. We have identified a bright (in the [SII] lines) filamentary optical shell and determined its expansion velocity, mass, and kinetic energy. The nature of the object is discussed.

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