Other
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21934925m&link_type=abstract
American Astronomical Society, AAS Meeting #219, #349.25
Other
Scientific paper
We present observations of 22GHz H2O masers in the star forming region W3(OH) taken with the Very Long Baseline Array (VLBA) with the aim of measuring magnetic fields via the Zeeman effect. We observed two epochs spaced apart by six months. During the first epoch (5/2010), the masers were largely quiescent. During the second epoch (11/2010), there was significant flaring activity. Our goal is to compare the magnetic fields measured during the two epochs. So far, we have reduced the data from the flaring event, and detected 85 masers, located in 3 distinct groups; the morphology is consistent with previous observations. We intend to report the derived line of site magnetic field values of the H2O masers and compare them with previous magnetic field measurements targeting the same source, or other, similar H2O maser sources.
Funding for this poster presentation is being provided by the NRAO through the summer student program, of which Steven Merriman was a part.
Merriman Steven
Momjian Emmanuel
Sarma Arun
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