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| Paper: |
Star Formation Rates in the Infrared |
| Volume: |
381, The Second Annual Spitzer Science Center Conference: Infrared Diagnostics of Galaxy Evolution |
| Page: |
323 |
| Authors: |
Calzetti, D.; the SINGS Team |
| Abstract: |
Data from two of the Great Observatories are combined to investigate star formation rate diagnostics in the infrared. Images of nearby galaxies from Spitzer (obtained as part of the Spitzer Infrared Nearby Galaxies Survey, or SINGS) at 8 μm and 24 μm are combined with HST/NICMOS images in the Paschenα (Paα) emission line at 1.8756 μm, to assess the regime of applicability of monochromatic mid-infrared luminosities as star formation rate indicators. The analysis targets star forming regions/complexes inside the galaxies; applicability to whole galaxies is also discussed. The interest in monochromatic midinfrared star formation rate diagnostics is sparked by their potential application to intermediate-high redshift galaxies. |
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