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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Herschel-ATLAS: Multi-wavelength SEDs and physical properties of 250 μm selected galaxies at z < 0.5
Monthly Notices of the Royal Astronomical Society, Volume 427, No. 1, Year 2012
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Description
We present a pan-chromatic analysis of an unprecedented sample of 1402 250 μm selected galaxies at z < 0.5 (z-=0.24) from the Herschel-ATLAS survey. We complement our Herschel 100-500μm data with UV-K-band photometry from the Galaxy And Mass Assembly (GAMA) survey and apply the magphys energy-balance technique to produce pan-chromatic spectral energy distributions (SEDs) for a representative sample of 250μm selected galaxies spanning the most recent 5 Gyr of cosmic history. We derive estimates of physical parameters, including star formation rates, stellar masses, dust masses and infrared (IR) luminosities. The typical H-ATLAS galaxy at z < 0.5 has a far-infrared luminosity in the range 1010-1012L⊙ (SFR: 1-50 M⊙yr-1) and thus is broadly representative of normal star-forming galaxies over this redshift range. We show that 250μm selected galaxies contain a larger mass of dust at a given IR luminosity or star formation rate than previous samples selected at 60μm from the IRAS. We derive typical SEDs for H-ATLAS galaxies, and show that the emergent SED shape is most sensitive to specific star formation rate. The optical-UV SEDs also become more reddened due to dust at higher redshifts. Our template SEDs are significantly cooler than existing IR templates. They may therefore be most appropriate for inferring total IR luminosities from moderate redshift sub-millimetre selected samples and for inclusion in models of the lower redshift sub-millimetre galaxy populations. © 2012 The Authors Monthly Notices of the Royal Astronomical Society © 2012 RAS.
Authors & Co-Authors
Smith, Daniel James B.
United Kingdom, Nottingham
University of Nottingham
United Kingdom, Hatfield
University of Hertfordshire
Dunne, Loretta
United Kingdom, Nottingham
University of Nottingham
New Zealand, Christchurch
University of Canterbury
da Cunha, Elisabete
Germany, Heidelberg
Max Planck Institute for Astronomy
Rowlands, Kate E.
United Kingdom, Nottingham
University of Nottingham
Maddox, Steve J.
United Kingdom, Nottingham
University of Nottingham
New Zealand, Christchurch
University of Canterbury
Gomez, Haley L.
United Kingdom, Cardiff
Cardiff University
Bonfield, David G.
United Kingdom, Hatfield
University of Hertfordshire
Charlot, St́ephane
France, Paris
Institut D’astrophysique de Paris
Driver, Simon P.
United Kingdom, St Andrews
University of st Andrews
Australia, Perth
The University of Western Australia
Popescu, Cristina C.
United Kingdom, Preston
University of Central Lancashire
Tuffs, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
James S. Dunlop, James S.
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
Jarvis, Matthew J.
United Kingdom, Hatfield
University of Hertfordshire
South Africa, Bellville
University of the Western Cape
Seymour, Nick
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
United Kingdom, Dorking
Ucl Mullard Space Science Laboratory
Symeonidis, Myrto
United Kingdom, Dorking
Ucl Mullard Space Science Laboratory
Baes, Maarten
Belgium, Ghent
Universiteit Gent
Bourne, Nathan
United Kingdom, Nottingham
University of Nottingham
Clements, David L.
United Kingdom, London
Imperial College London
Cooray, Asantha Roshan
United States, Irvine
University of California, Irvine
de Zotti, Gianfranco
Italy, Padua
Osservatorio Astronomico Di Padova
Italy, Trieste
Scuola Internazionale Superiore Di Studi Avanzati
Dye, S.
United Kingdom, Nottingham
University of Nottingham
Eales, Stephen A.
Germany, Heidelberg
Max Planck Institute for Astronomy
Scott, Douglas J.
Canada, Vancouver
The University of British Columbia
Verma, Aprajita
Unknown Affiliation
van der Werf, Paul P.
Netherlands, Leiden
Sterrewacht Leiden
Andrae, Ellen
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Auld, Robbie R.
United Kingdom, Cardiff
Cardiff University
Buttiglione, Sara
Italy, Padua
Osservatorio Astronomico Di Padova
Cava, Antonio
Spain, Madrid
Universidad Complutense de Madrid
Dariush, Aliakbar A.
United Kingdom, Cardiff
Cardiff University
United Kingdom, London
Imperial College London
Fritz, Jacopo
Belgium, Ghent
Universiteit Gent
Hopwood, Rosalind H.B.
United Kingdom, London
Imperial College London
Ibar, E.
United Kingdom, Edinburgh
Royal Observatory
Ivison, Robert J.
United Kingdom, Edinburgh
University of Edinburgh, Institute for Astronomy
United Kingdom, Edinburgh
Royal Observatory
Kelvin, Lee S.
United Kingdom, St Andrews
University of st Andrews
Australia, Perth
The University of Western Australia
Madore, Barry F.
United States, Pasadena
Carnegie Observatories
Pohlen, Michael
United Kingdom, Cardiff
Cardiff University
Rigby, Emma E.
United Kingdom, Nottingham
University of Nottingham
Robotham, Aaron S.G.
United Kingdom, St Andrews
University of st Andrews
Australia, Perth
The University of Western Australia
Seibert, Mark
United States, Pasadena
Carnegie Observatories
Temi, Pasquale
United States, Moffett Field
Nasa Ames Research Center
Statistics
Citations: 119
Authors: 41
Affiliations: 25
Identifiers
Doi:
10.1111/j.1365-2966.2012.21930.x
ISSN:
00358711
e-ISSN:
13652966
Study Design
Cross Sectional Study
Study Approach
Quantitative