AAS 206th Meeting, 29 May - 2 June 2005
Session 13 Spiral Galaxies, Elliptical Galaxies
Poster, Monday, 9:20am-6:30pm, Tuesday, 10:00am-7:00pm, May 30, 2005, Ballroom A

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[13.05] Imaging Polarimetry and Photometry of the Central Region of NGC 3628

C. Hogan-Chin, T. J. Jones (Univ. of Minnesota)

We present imaging polarimetry of the central region of the edge-on starburst galaxy NGC 3628 in the H band, and photometric imaging in the H and K bands at a resolution of one arcsecond. These observations have given us a direct view of the dust enshrouded nucleus of the galaxy. We find a dust component that is probably associated with the nuclear ring seen in molecular line observations. Despite having a starburst nucleus, NGC 3628 shows no clear evidence of a polar nuclear magnetic field geometry as is the case for M82. The field is, instead, seen to lie along the plane of the galaxy indicative of a more normal field geometry.

This research has been supported in part by NSF grant AST-0205814

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