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Extended Excess 4.5 μm Sources in the Perseus Arm: First Results from GLIMPSE360
Cyganowski, Claudia ( CfA/SAO ); Whitney, B. ( University of Wisconsin-Madison ); Robitaille, T. ( Max Planck Institute for Astronomy, Germany ); Meade, M. ( University of Wisconsin-Madison ); Babler, B. L. ( University of Wisconsin-Madison ); Churchwell, E. B. ( University of Wisconsin-Madison ); Honor, J. ( University of Wisconsin-Madison ) show affiliations
American Astronomical Society, AAS Meeting #222, id.313.10
Published in Jun 2013
Spitzer surveys of the inner Galactic Plane (GLIMPSE I & II) revealed a promising new diagnostic for identifying actively accreting (proto)stars: extended excess emission in the IRAC 4.5 micron band, believed to trace shocked molecular gas in active protostellar outflows. We will present initial results from our search for extended excess 4.5 micron sources in the outer Galaxy GLIMPSE360 survey, focusing on the area of the survey associated with the Perseus arm.
(c) 2013: American Astronomical Society