THE STAR FORMATION LAW IN NEARBY GALAXIES ON SUB-KPC SCALES
Max Planck Society · University of Hertfordshire · +3 more institutions
Abstract
We present a comprehensive analysis of the relationship between star formation rate surface density, SigmaSFR, and gas surface density, Sigmagas, at sub-kpc resolution in a sample of 18 nearby galaxies. We use high-resolution H I data from The H I Nearby Galaxy Survey, CO data from HERACLES and the BIMA Survey of Nearby Galaxies, 24 mum data from the Spitzer Space Telescope, and UV data from the Galaxy Evolution Explorer. We target seven spiral galaxies and 11 late-type/dwarf galaxies and investigate how the star formation law differs between the H2 dominated centers of spiral galaxies, their H I dominated outskirts and the H I rich late-type/dwarf galaxies. We find that a Schmidt-type power law with index N =…
Citation impact
- FWCI
- 47.56
- Percentile
- 100%
- References
- 39
Authors
7Topics & keywords
- Physics
- Astrophysics
- Spiral galaxy
- Star formation
- Galaxy
- Stars
- Dwarf galaxy
- Luminous infrared galaxy