Observations of Superwinds in Dwarf Galaxies

Details Observations of Superwinds in Dwarf Galaxies Observations of Superwinds in Dwarf Galaxies

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...18310803m&link_type=abstract

American Astronomical Society, 183rd AAS Meeting, #108.03; Bulletin of the American Astronomical Society, Vol. 25, p.1451

Astronomy and Astrophysics

Astronomy

Scientific paper

Dwarf galaxies are important in developing our understanding of the formation and evolution of galaxies, and of the structure in the universe. The concept of supernova-driven mass outflows is a vital ingredient in theories of the structure and evolution of dwarfs galaxies. We have begun a detailed multi-waveband search for outflows in starbursting dwarf galaxies, and have obtained Fabry-Perot images and Echelle spectra of 20 nearby actively-star-forming dwarf galaxies. In about half the sample, the Fabry-Perot Hα images show loops and filaments with sizes of one to a few kpc. The Echelle spectra taken through the loops and filaments show kinematics consistent with expanding bubble-like structures. We describe these data, and present seven dwarfs in our sample that have the strongest evidence of outflows.

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