AKARI/IRC Broadband Mid-infrared data as an indicator of Star Formation Rate
F. Yuan,T. T. Takeuchi,V. Buat,Sebastien Heinis,E. Giovannoli,Katsuhiro L. Murata,Jorge Iglesias-Páramo,Denis Burgarella +7 more
TLDR
In this paper, the Star-Formation Rate (SFR) of 153 nearby galaxies were derived by the spectral energy distribution fitting program CIGALE. And the SFR calibrations were presented for the first time using both the S9W and L18W bands.Abstract:
AKARI/Infrared Camera (IRC) Point Source Catalog provides a large amount of flux data at {\it S9W} ($9\ {\rm \mu m}$) and {\it L18W} ($18\ {\rm \mu m}$) bands. With the goal of constructing Star-Formation Rate(SFR) calculations using IRC data, we analyzed an IR selected GALEX-SDSS-2MASS-AKARI(IRC/Far-Infrared Surveyor) sample of 153 nearby galaxies. The far-infrared fluxes were obtained from AKARI diffuse maps to correct the underestimation for extended sources raised by the point-spread function photometry. SFRs of these galaxies were derived by the spectral energy distribution fitting program CIGALE. In spite of complicated features contained in these bands, both the {\it S9W} and {\it L18W} emission correlate with the SFR of galaxies. The SFR calibrations using {\it S9W} and {\it L18W} are presented for the first time. These calibrations agree well with previous works based on Spitzer data within the scatters, and should be applicable to dust-rich galaxies.read more
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Reexamination of the Infrared Excess-Ultraviolet Slope Relation of Local Galaxies
TL;DR: The relation between the ratio of infrared and ultraviolet flux densities (the infrared excess: IRX) and the slope of the UV spectrum (β) of galaxies plays a fundamental role in the evaluation of the dust attenuation of star-forming galaxies, especially at high redshifts as discussed by the authors.
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THE CALIBRATION OF STAR FORMATION RATE INDICATORS FOR WISE 22 μm-SELECTED GALAXIES IN THE SLOAN DIGITAL SKY SURVEY
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A New Star Formation Rate Calibration from Polycyclic Aromatic Hydrocarbon Emission Features and Application to High-redshift Galaxies
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TL;DR: In this article, the integrated luminosity from polycyclic aromatic hydrocar (PAH) features at 6.2, 7.7 and 11.3 micrometers was used as a measure of the star-formation rate (SFR).
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