Galactic emission at 19 GHz

Abstract

We cross-correlate a 19 GHz full sky Cosmic Microwave Background (CMB) survey with other maps to quantify the foreground contribution. Correlations are detected with the Diffuse Infrared Background Experiment (DIRBE) 240, 140 and 100 micron maps at high latitudes (|b|>30degrees), and marginal correlations are detected with the Haslam 408 MHz and the Reich & Reich 1420 MHz synchrotron maps. The former agree well with extrapolations from higher frequencies probed by the COBE DMR and Saskatoon experiments and are consistent with both free-free and rotating dust grain emission.

4 pages, with 4 figures included. Accepted for publication in ApJL. Color figure and links at http://www.sns.ias.edu/~angelica/foreground.html#19 or from [email protected]

References in corpus (5)

• Diffuse Galactic Emission from Spinning Dust Grains
• An Anomalous Component of Galactic Emission
• Galactic microwave emission at degree angular scales
• Spatial Correlation Between H-Alpha Emission and Infrared Cirrus
• A Correlation between Balmer H-alpha Emission and Infrared Cirrus

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