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Herschel-ATLAS: far-infrared properties of radio-selected galaxies

Hardcastle, M. J. ; Virdee, J. S. ; Jarvis, M. J. ; Bonfield, D. G. ; Dunne, L. ; Rawlings, S. ; Stevens, J. A. ; Christopher, N. M. ; Heywood, I. ; Mauch, T. ; Rigopoulou, D. ; Verma, A. ; Baldry, I. K. ; Bamford, S. P. ; Buttiglione, S. ; Cava, A. ; Clements, D. L. ; Cooray, A. ; Croom, S. M. ; Dariush, A. ; De Zotti, G. ; Eales, S. ; Fritz, J. ; Hill, D. T. ; Hughes, D. ; Hopwood, R. ; Ibar, E. ; Ivison, R. J. ; Jones, D. H. ; Loveday, J. ; Maddox, S. J. ; Michałowski, M. J. ; Negrello, M. ; Norberg, P. ; Pohlen, M. ; Prescott, M. ; Rigby, E. E. ; Robotham, A. S. G. ; Rodighiero, G. ; Scott, D. ; Sharp, R. ; Smith, D. J. B. ; Temi, P. ; van Kampen, E.

Monthly notices of the Royal Astronomical Society, 2010-11, Vol.409 (1), p.122-131 [Periódico revisado por pares]

Oxford, UK: Blackwell Publishing Ltd

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Título:
Herschel-ATLAS: far-infrared properties of radio-selected galaxies
Autor: Hardcastle, M. J. ; Virdee, J. S. ; Jarvis, M. J. ; Bonfield, D. G. ; Dunne, L. ; Rawlings, S. ; Stevens, J. A. ; Christopher, N. M. ; Heywood, I. ; Mauch, T. ; Rigopoulou, D. ; Verma, A. ; Baldry, I. K. ; Bamford, S. P. ; Buttiglione, S. ; Cava, A. ; Clements, D. L. ; Cooray, A. ; Croom, S. M. ; Dariush, A. ; De Zotti, G. ; Eales, S. ; Fritz, J. ; Hill, D. T. ; Hughes, D. ; Hopwood, R. ; Ibar, E. ; Ivison, R. J. ; Jones, D. H. ; Loveday, J. ; Maddox, S. J. ; Michałowski, M. J. ; Negrello, M. ; Norberg, P. ; Pohlen, M. ; Prescott, M. ; Rigby, E. E. ; Robotham, A. S. G. ; Rodighiero, G. ; Scott, D. ; Sharp, R. ; Smith, D. J. B. ; Temi, P. ; van Kampen, E.
Assuntos: Astronomy ; Earth, ocean, space ; Exact sciences and technology ; galaxies: active ; Infrared radiation ; infrared: galaxies ; Luminosity ; Radio astronomy ; radio continuum: galaxies ; Stars & galaxies
É parte de: Monthly notices of the Royal Astronomical Society, 2010-11, Vol.409 (1), p.122-131
Notas: Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.
istex:73636D4917FDA71A68BBCE7F2EB3B62B1AB09FC5
ark:/67375/HXZ-K14K34MJ-W
is an ESA space observatory with science instruments provided by European‐led Principal Investigator consortia and with important participation from NASA.
Herschel
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: We use the Herschel-Astrophysical Terahertz Large Area Survey (ATLAS) science demonstration data to investigate the star formation properties of radio-selected galaxies in the GAMA-9h field as a function of radio luminosity and redshift. Radio selection at the lowest radio luminosities, as expected, selects mostly starburst galaxies. At higher radio luminosities, where the population is dominated by active galactic nuclei (AGN), we find that some individual objects are associated with high far-infrared luminosities. However, the far-infrared properties of the radio-loud population are statistically indistinguishable from those of a comparison population of radio-quiet galaxies matched in redshift and K-band absolute magnitude. There is thus no evidence that the host galaxies of these largely low-luminosity (Fanaroff–Riley class I), and presumably low-excitation, AGN, as a population, have particularly unusual star formation histories. Models in which the AGN activity in higher luminosity, high-excitation radio galaxies is triggered by major mergers would predict a luminosity-dependent effect that is not seen in our data (which only span a limited range in radio luminosity) but which may well be detectable with the full Herschel-ATLAS data set.
Editor: Oxford, UK: Blackwell Publishing Ltd
Idioma: Inglês

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Herschel-ATLAS: far-infrared properties of radio-selected galaxies

Oxford, UK: Blackwell Publishing Ltd

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