NGC 1097:Constraining mechanisms for star formation with the VLA
Abstract
The project goal is to trace the precise location of star forming regions in the barred spiral NGC 1097. Specifically we want to better understand how the star formation progresses in the bar and at the bar ends. Our hydrodynamic gas flow model indicates gas flow should never cross dust lanes yet previous azimuthal cross-correlation analysis have indicated that the Hα emission is offset on the leading side of the bar dust lanes. It is critical to verify the precise locations of the stars forming regions. Is the star formation initiated in the dust lanes, or perhaps in dust spurs on the trailing side of the galaxy? We will measure synchrotron and thermal radiation contributions to quantify recent activity and compare to existing Hα, GALEX, archival VLA, and new ALMA Cycle 0 and Cycle 1 observations. This project will help catalog current and past star formation activity in the bar of NGC 1097 and thus help constrain the mechanisms for star formation.
- Publication:
-
American Astronomical Society Meeting Abstracts #225
- Pub Date:
- January 2015
- Bibcode:
- 2015AAS...22525609W