Other
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21724107r&link_type=abstract
American Astronomical Society, AAS Meeting #217, #241.07; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
The Galactic Center Arches and Quintuplet stellar clusters are two of the most luminous clusters in the Galaxy. These massive clusters produce high rates of ionizing photons and powerful winds which sculpt the surrounding interstellar medium (ISM) and form the Sickle and Arched Filaments HII regions. Recently, these clusters and HII regions have been studied in high resolution by Spitzer, Chandra and HST/NICMOS. Here we present a multiwavelength analysis of the interaction between the clusters and the ISM. Throughout the Galaxy, only a handful of similarly luminous and massive clusters are known. It is likely that other such clusters reside in our Galaxy but are obscured from optical detection. Using data from infrared and radio surveys, 40 candidate massive clusters have been identified. We have followed up on the interstellar environment of six candidate clusters using the VLA at 8.5 and 4.9 GHz. Parameters such as the Lyman continuum flux, electron density, and total ionized mass can be determined from these radio observations and can provide estimates of the stellar content in the candidate clusters. Finally, comparison between the radio and infrared (Spitzer) data will lead to a more complete understanding of the interaction between the stellar clusters and the ISM. This material is based upon work supported by the National Science Foundation under Grant Number 0907934. The authors also acknowledge support from the University of Iowa.
Figer Donald F.
HST/NICMOS GC Paschen Alpha Team
Lang Christian
Richards Emily
Trombley Christine
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