Starburst-driven shocks and feedback in the near-IR at high resolution

Details Starburst-driven shocks and feedback in the near-IR at high resolution Starburst-driven shocks and feedback in the near-IR at high resolution

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009hst..prop12206w&link_type=abstract

HST Proposal ID #12206. Cycle 18

Computer Science

Scientific paper

Starburst-driven feedback {both in terms of stellar and supernova activity} is one of the primary engines of galaxy evolution throughout the Universe. Yet, the theoretical foundation of mechanical feedback is, to date, unconstrained by observations. We propose to investigate this fundamental aspect of star formation directly through near-IR narrow-band imaging of Pa-beta emission and the shock-excited [FeII] line in a small but representative sample of nearby {2.5-20 Mpc} starbursts with known H-alpha outflows. These data will allow us to [1] map, and provide a complete census of, the shocks inside and around the starburst regions, and relate these to the potential sources of shocks in the form of the young star-forming regions; [2] measure the supernova {SN} rate in combination with available radio data through calibrations of the [FeII] point-source luminosities, and relate this to the level of mechanical energy deposited by these SNe into the ISM; [3] investigate the relation between the shocked regions and the galaxy morphology, X-ray wind structure, and merger/interaction state, and hence study the conditions under which feedback morphs from a localised process to a galactic-scale phenomenon; [4] study what implications this has on our understanding of star formation histories, and the spatial evolution of star formation in these galaxies. The unprecedented angular resolution, sensitivity, and field-of-view of WFC3/IR is crucial for separating the spatially narrow shock fronts { 20 pc 0.1" at 20 Mpc} and for resolving individual SN remnants.;

Affiliated with

Also associated with

No associations

Rating

Starburst-driven shocks and feedback in the near-IR at high resolution does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Starburst-driven shocks and feedback in the near-IR at high resolution, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Starburst-driven shocks and feedback in the near-IR at high resolution will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1785970