Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21532004b&link_type=abstract
American Astronomical Society, AAS Meeting #215, #320.04; Bulletin of the American Astronomical Society, Vol. 42, p.322
Astronomy and Astrophysics
Astronomy
Scientific paper
I will present new high angular resolution (100 milliarcseconds) VLA data pinpointing the locations of three regions of water maser emission in the Antennae Galaxies (NGC 4038/4039). Two of the masing regions are coincident with supergiant molecular cloud complexes in the interaction region (IAR), while the third is located about 500 pc west of the NGC 4039 nucleus. In all three cases the velocities of the masers are in good agreement with CO(3-2). The luminosities of these masers are consistent with the brightest water maser complexes observed in our own Galaxy (W49N). I will demonstrate that at least two of these masing regions are associated with massive star formation using a wide range of complementary archival data from optical to cm-wavelengths. These results demonstrate the potential power of using Galactic analog water maser emission to trace deeply embedded massive star formation in nearby star forming galaxies.
The NRAO/VLA is a facility of the NSF operated under a cooperative agreement by AUI.
Brogan Crystal L.
Darling Jeremy
Johnson Kelsey E.
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