SIMBAD references

2011AJ....142...47P - Astron. J., 142, 47 (2011/August-0)

The MIPSGAL view of supernova remnants in the galactic plane.

PINHEIRO GONCALVES D., NORIEGA-CRESPO A., PALADINI R., MARTIN P.G. and CAREY S.J.

Abstract (from CDS):

We report the detection of Galactic supernova remnants (SNRs) in the mid-infrared (at 24 and 70 µm), in the coordinate ranges 10° < l < 65° and 285° < l < 350°,|b| < 1°, using MIPS aboard the Spitzer Space Telescope. We search for infrared counterparts to SNRs in Green's catalog and identify 39 out of 121, i.e., a detection rate of about 32%. Such a relatively low detection fraction is mainly due to confusion with nearby foreground/background sources and diffuse emission. The SNRs in our sample show a linear trend in [F8/F24] versus [F70/F24]. We compare their infrared fluxes with their corresponding radio flux at 1.4 GHz and find that most remnants have a ratio of 70 µm to 1.4 GHz which is similar to those found in previous studies of SNRs (with the exception of a few that have ratios closer to those of H II regions). Furthermore, we retrieve a slope close to unity when correlating infrared (24 and 70 µm) with 1.4 GHz emission. Our survey is more successful in detecting remnants with bright X-ray emission, which we find is well correlated with the 24 µm morphology. Moreover, by comparing the power emitted in the X-ray, infrared, and radio, we conclude that the energy released in the infrared is comparable to the cooling in the X-ray range.

Abstract Copyright:

Journal keyword(s): infrared: ISM - ISM: supernova remnants - shock waves

Simbad objects: 80

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2021.09.28-15:25:15

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