Absolute Diffuse Calibration of MIPS24 from A Mid-Infrared Study of H II Regions

Details Absolute Diffuse Calibration of MIPS24 from A Mid-Infrared Study of H II Regions Absolute Diffuse Calibration of MIPS24 from A Mid-Infrared Study of H II Regions

Feb 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aj....137.3449c&link_type=abstract

The Astronomical Journal, Volume 137, Issue 2, pp. 3449-3454 (2009).

Astronomy and Astrophysics

Astronomy

8

H Ii Regions, Infrared: Ism, Radiation Mechanisms: Thermal, Radio Continuum: Ism, Space Vehicles

Scientific paper

The absolute diffuse calibration of the Multiband Imaging Photometer for Spitzer (MIPS) 24 μm channel is investigated by analysis of a sample of H II regions with a wide range of spatial scales near l = 312°. For each region, sky-subtracted, point-source-subtracted, areally integrated MIPS24 fluxes from the MIPSGAL Legacy program are compared with Midcourse Space Experiment (MSX) 21.3 μm fluxes to determine the flux ratio of MIPS24/MSX 21.3 μm. Spectral energy distributions of these regions indicate that the diffuse calibration of MIPS24 is consistent to within 3% (1σ) with the absolutely validated calibration of MSX.

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