Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21942805l&link_type=abstract
American Astronomical Society, AAS Meeting #219, #428.05
Astronomy and Astrophysics
Astronomy
Scientific paper
Observations of molecular transitions provide insight on the study of galaxy evolution and star formation. In particular, CO is an un- ambiguous tracer of cold, dense molecular gas where stars form and proves to be an important diagnostic tool for studying early stages of galaxy formation. However, there have been very few serendipitous detections of CO emission lines, despite careful searches due to limiting detection capabilities of present telescopes. We examined nine data cubes (each with a series of frequency ranges between 30GHz and 37GHz) obtained from the Expanded Very Large Array (EVLA) in Open Shared Risk mode to search for any CO emission from field galaxies. Although the cubes that were used do not have a large enough frequency coverage to be sure of finding a real object, we were able to use data on these fields at various wavelengths to search for counterparts to candidates we did find. Once the EVLA is fully commissioned, its much wider bandwidth should make serendipitous detection of CO from field galaxies commonplace.
Lacy Mark
Laughlin Courtney D.
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