5 papers
Relating Diffusion Properties of Cosmic-Ray Electrons to Star Formation Activity within Normal Galaxies
E. J. Murphy, G. Helou, L. Armus +3
Using data obtained as part of the {\it Spitzer} Infrared Nearby Galaxies Survey (SINGS; Kennicutt et al. 2003) and WSRT-SINGS radio continuum survey (Braun et al. 2006), we study…
Mid-Infrared Spectral Diagnostics of Nearby Galaxies
Daniel A. Dale, the SINGS Team
The Spitzer Space Telescope is pushing into new frontiers in high redshift astronomy. Closer to home, Spitzer is making an equally large impact on our understanding of galaxy forma…
Phenomenological Modeling of the FIR-Radio Correlation within Nearby Galaxies
E. J. Murphy, G. Helou, L. Armus +3
We present an analysis of the far-infrared (FIR)-radio correlation within a group of nearby star-forming galaxy disks observed as part of the {\it Spitzer} Infrared Nearby Galaxies…
Dust in spiral disks: opacity profiles from FIR emission and counts of distant galaxies
B. W. Holwerda, R. A. Gonzalez, D. Calzetti +3
Dust emission in the far-infrared (FIR) characterizes the temperature and quantity of interstellar dust in a spiral disk. The three Spitzer/MIPS bands are well suited to measuring…
An Initial Look at the FIR-Radio Correlation within M51a using Spitzer
Eric J. Murphy, Lee Armus, George Helou +2
We present an initial look at the FIR-radio correlation within the star-forming disk of M51a using {\it Spitzer} MIPS imaging, observed as part of the {\it Spitzer} Infrared Nearby…