Mid-Infrared Galactic Bubbles

Details Mid-Infrared Galactic Bubbles Mid-Infrared Galactic Bubbles

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...211.9215c&link_type=abstract

American Astronomical Society, AAS Meeting #211, #92.15

Astronomy and Astrophysics

Astronomy

Scientific paper

Using 2MASS, GLIMPSE, MIPSGAL, and MAGPIES surveys, we analyzed three bubbles centered at G8.1238-0.47712, G9.83464-0.71713, and G353.35010-0.14083. Each bubble has a circular PAH emission surrounding hot dust. Two bubbles observed also have PAH emission surrounding ionized gas. Physical properties (stellar mass, accretion rate, disk mass, inclination, etc.) are given for each YSO using a model fitter based on radiative transfer numerical simulations and a chi-squared minimization technique. YSOs are suggestive of triggered star formation in two bubbles. Ionizing stars can also be determined.

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