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| Paper: |
Spitzer Observations of the Nearby Extreme Starburst Galaxy NGC 3256 |
| Volume: |
381, The Second Annual Spitzer Science Center Conference: Infrared Diagnostics of Galaxy Evolution |
| Page: |
197 |
| Authors: |
Wang, Z. |
| Abstract: |
The southern galaxy NGC 3256 is a prime example of nearby infrared luminous galaxies that are both actively forming stars and undergoing gravitational interaction. We present IRAC and MIPS observations which penetrate far deeper into the dusty nuclear environment with higher sensitivity and angular resolution than previously possible. Star formation appears to be wide-spread over the main body of the galaxy. However, a few isolated locations have IRAC colors remarkably different from the rest. The so-called secondary nucleus in NGC 3256 shows a clear deficit of PAH emission, suggesting that dust may be destroyed in regions of most active and recent star formation. |
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