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The Hi Neighborhoods Around STARBIRDS

Published online by Cambridge University Press:  30 October 2019

Megan C. Johnson ,
Kristen B. W. McQuinn ,
John Cannon ,
Charlotte Martinkus ,
Evan Skillman ,
Jeremy Bailin ,
H. Alyson Ford ,
Lucas Hunt ,
Tobias Westmeier  and
O. Ivy Wong
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Megan C. Johnson
Affiliation:
United States Naval Observatory
Kristen B. W. McQuinn
Affiliation:
University of Texas at Austin
John Cannon
Affiliation:
Macalester College
Charlotte Martinkus
Affiliation:
Macalester College University of Minnesota
Evan Skillman
Affiliation:
University of Minnesota
Jeremy Bailin
Affiliation:
University of Alabama
H. Alyson Ford
Affiliation:
Steward Observatory, University of Arizona
Lucas Hunt
Affiliation:
United States Naval Observatory
Tobias Westmeier
Affiliation:
International Centre for Radio Astronomy Research, University of Western Australia
O. Ivy Wong
Affiliation:
International Centre for Radio Astronomy Research, University of Western Australia
Peter Kamphuis
Affiliation:
Astronomisches Institüt, Ruhr–University Bochum email: [email protected]
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Abstract

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Starbursts are finite periods of intense star formation (SF) that can dramatically impact the evolutionary state of a galaxy. Recent results suggest that starbursts in dwarf galaxies last longer and are distributed over more of the galaxy than previously thought, with star formation efficiencies (SFEs) comparable to spiral galaxies, much higher than those typical of non-bursting dwarfs. This difference might be explainable if the starburst mode is externally triggered by gravitational interactions with other nearby systems. We present new, sensitive neutral hydrogen observations of 18 starburst dwarf galaxies, which are part of the STARburst IRregular Dwarf Survey (STARBIRDS) and each were mapped with the Green Bank Telescope (GBT) and/or Parkes Telescope in order to study the low surface brightness gas distributions, a common tracer for tidal interactions.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S344: Dwarf Galaxies: From the Deep Universe to the Present , August 2018 , pp. 280 - 282
Copyright
© International Astronomical Union 2019 

References

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