Halpha and other SFR indicators : J/MNRAS/506/3079

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Authors : Kouroumpatzakis K. orcid , Zezas A., Maragkoudakis A. (hide) , Zezas A., Maragkoudakis A. et..al

VizieR DOI : 10.26093/cds/vizier.75063079
Bibcode : 2021MNRAS.506.3079K (ADS) (Simbad) (Objects)
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CDS Keywords : Galaxies, nearby; Galaxies, photometry; Photometry, H-alpha; Abundances
UAT : Galaxies, Galaxies, Photometry, Optical astronomy, H alpha photometry, Chemical abundances

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Inserted into VizieR : 18-Jan-2022
Last modification : 21-Aug-2024

The Star Formation Reference Survey. V. The effect of extinction, stellar mass, metallicity, and nuclear activity on star-formation rates based on H {alpha} emission. (2021)

Keywords : ISM abundances - dust, extinction - galaxies: ISM - galaxies: photometry - galaxies: star formation

Abstract:We present new H{alpha} photometry for the Star Formation Reference Survey (SFRS), a representative sample of star-forming galaxies in the local Universe. Combining these data with the panchromatic coverage of the SFRS, we provide calibrations of H{alpha}-based star-formation rates (SFRs) with and without correction for the contribution of [NII] emission. We consider the effect of extinction corrections based on the Balmer decrement, infrared excess, and spectral energy distribution (SED) fits. We compare the SFR estimates derived from SED fits, polycyclic aromatic hydrocarbons, hybrid indicators such as 24um+H{alpha}, 8um+H{alpha}, FIR+FUV, and H{alpha} emission for a sample of purely star-forming galaxies. We provide a new calibration ...(more)
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Table A1 presents the general properties of the SFRS galaxies along with the H-alpha photometry, extinctions, metallicities, [NII]/H-alpha emission ratios, and SFRs based on H-alpha, PAHs 8um, and 24um emission.
Konstantinos Kouroumpatzakis, kkouroub(at)physics.uoc.gr

                


                

                    

                


                

                    

                


                

                    
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