Mapping the Magnetic Field of Cloud 3 in Lynds 204

Details Mapping the Magnetic Field of Cloud 3 in Lynds 204 Mapping the Magnetic Field of Cloud 3 in Lynds 204

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21934908c&link_type=abstract

American Astronomical Society, AAS Meeting #219, #349.08

Astronomy and Astrophysics

Astronomy

Scientific paper

The L204 dark cloud complex is a nearby filamentary structure in Ophiuchus that is devoid of star formation. Past studies have shown that the western edge of L204 exhibits a steep density gradient, while the eastern edge gradually dissipates. We have collected H-band (1.6 microns) linear polarimetry data for starlight in the direction of L204, as well as NIR spectra of several stars in the field. The data were collected using the Mimir near-infrared instrument on the 1.8m Perkins Telescope located outside of Flagstaff, AZ. These data are presented alongside integrated intensity maps of 12CO, 13CO, and C18O in order to reveal how the magnetic field in L204 is affecting the physical structure and evolution of the cloud.
This work is partially supported by NSF grant AST 09-07790.

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