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dc.contributor.authorWang, L.
dc.contributor.authorNorberg, P.
dc.contributor.authorGunawardhana, M. L. P.
dc.contributor.authorHeinis, S.
dc.contributor.authorBaldry, I. K.
dc.contributor.authorBland-Hawthorn, J.
dc.contributor.authorBourne, N.
dc.contributor.authorBrough, S.
dc.contributor.authorBrown, M. J. I.
dc.contributor.authorCluver, M. E.
dc.contributor.authorCooray, A.
dc.contributor.authorda Cunha, E.
dc.contributor.authorDriver, S. P.
dc.contributor.authorDunne, L.
dc.contributor.authorDye, S.
dc.contributor.authorEales, S.
dc.contributor.authorGrootes, M. W.
dc.contributor.authorHolwerda, B. W.
dc.contributor.authorHopkins, A. M.
dc.contributor.authorIbar, E.
dc.contributor.authorIvison, R.
dc.contributor.authorLacey, C.
dc.contributor.authorLara-Lopez, M. A.
dc.contributor.authorLoveday, J.
dc.contributor.authorMaddox, S. J.
dc.contributor.authorMichałowski, M. J.
dc.contributor.authorOteo, I.
dc.contributor.authorOwers, M. S.
dc.contributor.authorPopescu, C. C.
dc.contributor.authorSmith, D. J. B.
dc.contributor.authorTaylor, E. N.
dc.contributor.authorTuffs, R. J.
dc.contributor.authorvan der Werf, P.
dc.date.accessioned2016-09-01T12:30:18Z
dc.date.available2016-09-01T12:30:18Z
dc.date.issued2016-09-11
dc.identifier.citationWang , L , Norberg , P , Gunawardhana , M L P , Heinis , S , Baldry , I K , Bland-Hawthorn , J , Bourne , N , Brough , S , Brown , M J I , Cluver , M E , Cooray , A , da Cunha , E , Driver , S P , Dunne , L , Dye , S , Eales , S , Grootes , M W , Holwerda , B W , Hopkins , A M , Ibar , E , Ivison , R , Lacey , C , Lara-Lopez , M A , Loveday , J , Maddox , S J , Michałowski , M J , Oteo , I , Owers , M S , Popescu , C C , Smith , D J B , Taylor , E N , Tuffs , R J & van der Werf , P 2016 , ' GAMA/H-ATLAS: common star formation rate indicators and their dependence on galaxy physical parameters ' , Monthly Notices of the Royal Astronomical Society , vol. 461 , no. 2 , pp. 1898-1916 . https://doi.org/10.1093/mnras/stw1450en
dc.identifier.issn0035-8711
dc.identifier.otherPURE: 245501407
dc.identifier.otherPURE UUID: 8811a33f-c2be-4216-a9b0-990122b9bf37
dc.identifier.otherScopus: 84982267384
dc.identifier.otherWOS: 000383273600056
dc.identifier.urihttps://hdl.handle.net/10023/9411
dc.descriptionSD acknowledges support from a STFC Ernest Rutherford fellowship.en
dc.description.abstractWe compare common star formation rate (SFR) indicators in the local Universe in the Galaxy and Mass Assembly (GAMA) equatorial fields (~160 deg2), using ultraviolet (UV) photometry from GALEX, far-infrared and sub-millimetre (sub-mm) photometry from Herschel Astrophysical Terahertz Large Area Survey, and Hα spectroscopy from the GAMA survey. With a high-quality sample of 745 galaxies (median redshift 〈z〉 = 0.08), we consider three SFR tracers: UV luminosity corrected for dust attenuation using the UV spectral slope β (SFRUV, corr), Hα line luminosity corrected for dust using the Balmer decrement (BD) (SFRHα, corr), and the combination of UV and infrared (IR) emission (SFRUV + IR). We demonstrate that SFRUV, corr can be reconciled with the other two tracers after applying attenuation corrections by calibrating Infrared excess (IRX; i.e. the IR to UV luminosity ratio) and attenuation in the Hα (derived from BD) against β. However, β, on its own, is very unlikely to be a reliable attenuation indicator. We find that attenuation correction factors depend on parameters such as stellar mass (M*), z and dust temperature (Tdust), but not on Hα equivalent width or Sérsic index. Due to the large scatter in the IRX versus β correlation, when compared to SFRUV + IR, the β-corrected SFRUV, corr exhibits systematic deviations as a function of IRX, BD and Tdust.
dc.format.extent19
dc.language.isoeng
dc.relation.ispartofMonthly Notices of the Royal Astronomical Societyen
dc.rights© 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at: https://dx.doi.org/10.1093/mnras/stw1450en
dc.subjectGalaxies: photometryen
dc.subjectGalaxies: statisticsen
dc.subjectInfrared: galaxiesen
dc.subjectMethods: statisticalen
dc.subjectUltraviolet: galaxiesen
dc.subjectQB Astronomyen
dc.subjectQC Physicsen
dc.subjectAstronomy and Astrophysicsen
dc.subjectSpace and Planetary Scienceen
dc.subjectNDASen
dc.subject.lccQBen
dc.subject.lccQCen
dc.titleGAMA/H-ATLAS: common star formation rate indicators and their dependence on galaxy physical parametersen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.identifier.doihttps://doi.org/10.1093/mnras/stw1450
dc.description.statusPeer revieweden


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