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HerMES: a search for high-redshift dusty galaxies in the HerMES Large Mode Survey – catalogue, number counts and early results

Asboth, V. and Sayers, J. and Cooray, A. and Golwala, S. R. and Siegel, S. R. (2016) HerMES: a search for high-redshift dusty galaxies in the HerMES Large Mode Survey – catalogue, number counts and early results. Monthly Notices of the Royal Astronomical Society, 462 (2). pp. 1989-2000. ISSN 0035-8711. doi:10.1093/mnras/stw1769.

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Selecting sources with rising flux densities towards longer wavelengths from Herschel/Spectral and Photometric Imaging Receiver (SPIRE) maps is an efficient way to produce a catalogue rich in high-redshift (z > 4) dusty star-forming galaxies. The effectiveness of this approach has already been confirmed by spectroscopic follow-up observations, but the previously available catalogues made this way are limited by small survey areas. Here we apply a map-based search method to 274 deg^2 of the Herschel Multi-tiered Extragalactic Survey (HerMES) Large Mode Survey and create a catalogue of 477 objects with SPIRE flux densities S_(500) > S_(350) > S_(250) and a 5σ cut-off S_(500) > 52 mJy. From this catalogue we determine that the total number of these ‘red’ sources is at least an order of magnitude higher than predicted by galaxy evolution models. These results are in agreement with previous findings in smaller HerMES fields; however, due to our significantly larger sample size we are also able to investigate the shape of the red source counts for the first time. We have obtained spectroscopic redshift measurements for two of our sources using the Atacama Large Millimeter/submillimeter Array. The redshifts z = 5.1 and 3.8 confirm that with our selection method we can indeed find high-redshift dusty star-forming galaxies.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper
Sayers, J.0000-0002-8213-3784
Cooray, A.0000-0002-3892-0190
Golwala, S. R.0000-0002-1098-7174
Siegel, S. R.0000-0003-2631-6217
Additional Information:© 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2016 July 19. Received 2016 July 18. In original form 2016 January 10. First published online July 25, 2016. AC acknowledges support from the National Aeronautics and Space Administration under Grant No. 12-ADAP12-0139 issued through the ADAP programme. EI acknowledges funding from CONICYT/FONDECYT post-doctoral project No.: 3130504. JWa is supported by a European Union COFUND/Durham Junior Research Fellowship under EU grant agreement number 267209, and acknowledges additional support from STFC (ST/L00075X/1). RJI acknowledges support from the European Research Council in the form of the Advanced Investigator Program, 321302, COSMICISM. SJO acknowledges support from the Science and Technology Facilities Council (grant number ST/L000652/1). SRS acknowledges support from NASA NESSF. The construction of MUSIC was supported by JPL RTD, NASA APRA, NSF ATI and NSF AAG. The Dark Cosmology Centre is funded by the Danish National Research Foundation. This paper makes use of the following ALMA data: ADS/JAO.ALMA#2013.1.00449.S. ALMA is a partnership of ESO (representing its member states), NSF (USA) and NINS (Japan), together with NRC (Canada), NSC and ASIAA (Taiwan) and KASI (Republic of Korea), in cooperation with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO and NAOJ. SPIRE has been developed by a consortium of institutes led by Cardiff Univ. (UK) and including Univ. Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, Univ. Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, Univ. Sussex (UK); Caltech, JPL, NHSC, Univ. Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy); MCINN (Spain); SNSB (Sweden); STFC (UK) and NASA (USA). HCSS/HSpot/HIPE are joint developments by the Herschel Science Ground Segment Consortium, consisting of ESA, the NASA Herschel Science Center and the HIFI, PACS and SPIRE consortia. This research has made use of data from the HerMES project ( HerMES is a Herschel Key Programme utilizing Guaranteed Time from the SPIRE instrument team, ESAC scientists and a mission scientist. HerMES is described in Oliver et al. (2012). The data presented in this paper will be released through the HerMES Database in Marseille, HeDaM (
Funding AgencyGrant Number
Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT)3130504
COFUND/Durham Junior Research Fellowship267209
Science and Technology Facilities Council (STFC)ST/L00075X/1
European Research Council (ERC)321302
Science and Technology Facilities Council (STFC)ST/L000652/1
NASA Earth and Space Science FellowshipUNSPECIFIED
JPL Research and Technology Development FundUNSPECIFIED
Danish National Research FoundationUNSPECIFIED
Canadian Space Agency (CSA)UNSPECIFIED
National Astronomical Observatories of ChinaUNSPECIFIED
Commissariat à l'Énergie Atomique (CEA)UNSPECIFIED
Centre National d'Etudes Spatiales (CNES)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Agenzia Spaziale Italiana (ASI)UNSPECIFIED
Ministerio de Ciencia e Innovación (MCINN)UNSPECIFIED
Swedish National Space Board (SNSB)UNSPECIFIED
Comisión Nacional de Investigación Científica y Tecnológica (CONICYT)UNSPECIFIED
Subject Keywords:galaxies: evolution galaxies: high-redshift galaxies: starburst infrared: galaxies submillimetre: galaxies
Issue or Number:2
Record Number:CaltechAUTHORS:20161027-113611655
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Official Citation:V. Asboth, A. Conley, J. Sayers, M. Béthermin, S. C. Chapman, D. L. Clements, A. Cooray, H. Dannerbauer, D. Farrah, J. Glenn, S. R. Golwala, M. Halpern, E. Ibar, R. J. Ivison, P. R. Maloney, R. Marques-Chaves, P. I. Martinez-Navajas, S. J. Oliver, I. Pérez-Fournon, D. A. Riechers, M. Rowan-Robinson, Douglas Scott, S. R. Siegel, J. D. Vieira, M. Viero, L. Wang, J. Wardlow, and J. Wheeler HerMES: a search for high-redshift dusty galaxies in the HerMES Large Mode Survey – catalogue, number counts and early results MNRAS (October 21, 2016) Vol. 462 1989-2000 doi:10.1093/mnras/stw1769 first published online July 25, 2016
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71544
Deposited By: Ruth Sustaita
Deposited On:27 Oct 2016 20:50
Last Modified:11 Nov 2021 04:47

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