Now showing items 1-20 of 37

    • HELP: Modelling the spectral energy distributions of Herschel detected galaxies in the ELAIS N1 field 

      Małek, Katarzyna E.; Buat, Véronique; Roehlly, Y.; Burgarella, Denis; Hurley, Peter Donald; Shirley, R.; Duncan, Kenneth J.; Efstathiou, Andreas; Papadopoulos, Andreas; Vaccari, Mattia; Farrah, Duncan G.; Marchetti, L.; Oliver, Sebastian James (2018-12-01)
      Aims. The Herschel Extragalactic Legacy Project (HELP) focuses on the data from ESA's Herschel mission, which covered over 1300 deg2 and is preparing to publish a multi-wavelength catalogue of millions of objects. Our main ...
    • HELP: Star formation as a function of galaxy environment with Herschel 

      Duivenvoorden, S.; Oliver, Sebastian James; Buat, Véronique; Darvish, Behnam; Efstathiou, Andreas; Farrah, Duncan G.; Griffin, Matthew J.; Hurley, Peter Donald; Ibar, Edo; Jarvis, Matt J.; Papadopoulos, Andreas; Sargent, Mark T.; Scott, Douglas J.; Scudder, Jillian M.; Symeonidis, Myrto; Vaccari, Mattia; Viero, Marco P.; Wang, Lingyu (2016-10-11)
      The Herschel Extragalactic Legacy Project (HELP) brings together a vast range of data frommany astronomical observatories. Its main focus is on the Herschel data, which maps dustobscured star formation over 1300 deg2. With ...
    • HerMES: Spectral energy distributions of submillimeter galaxies at z > 4* 

      Huang, Jiasheng; Rigopoulou, Dimitra; Magdis, Georgios E.; Rowan-Robinson, Michael; Dai, Yu Sophia; Bock, James J.; Burgarella, Denis; Chapman, Scott C.; Clements, David L.; Cooray, Asantha Roshan; Farrah, Duncan G.; Glenn, Jason; Oliver, Sebastian James; Smith, Anthony J.; Wang, Lingyu; Page, Mathew J.; Riechers, Dominick A.; Roseboom, Isaac G.; Symeonidis, Myrto; Fazio, Giovanni G.; Yun, Min Su; Webb, Tracy M.A.; Efstathiou, Andreas (2014-03-20)
      We present a study of the infrared properties for a sample of seven spectroscopically confirmed submillimeter galaxies (SMGs) at z > 4.0. By combining ground-based near-infrared, Spitzer IRAC and MIPS, Herschel SPIRE, and ...
    • Herschel observations and a model for IRAS 08572+3915: A candidate for the most luminous infrared galaxy in the local (z < 0.2) Universe 

      Efstathiou, Andreas; Pearson, Chris P.; Farrah, Duncan G.; Rigopoulou, Dimitra; Graciá-Carpio, Javier; Verma, Aprajita; Spoon, Henrik W.W.; Afonso, José M.; Bernard-Salas, Jeronimo; Clements, David L.; Cooray, Asantha Roshan; Cormier, Diane; Etxaluze, Mireya; Fischer, Jacqueline R.; González-Alfonso, Eduardo; Hurley, Peter Donald; Lebouteiller, Vianney; Oliver, Sebastian James; Rowan-Robinson, Michael; Sturm, Eckhard (2013-12-01)
      We present Herschel photometry and spectroscopy, carried out as part of the Herschel ultraluminous infrared galaxy (ULIRG) survey, and a model for the infrared to submillimetre emission of the ULIRG IRAS 08572+3915. This ...
    • High-redshift star formation in the Hubble Deep Field revealed by a submillimetre-wavelength survey 

      Hughes, David Handel; Serjeant, Stephen B.G.; James S. Dunlop, James; Rowan-Robinson, Michael; Blain, Andrew W.; Robert Mann, Robert; Ivison, Robert J.; Peacock, John A.; Efstathiou, Andreas; Gear, Walter K.P.; Oliver, Sebastian James; Andy R. Lawrence, Andy; Longair, Malcolm S.; Goldschmidt, Pippa; Jenness, Tim (1998-07-16)
      In the local Universe, most galaxies are dominated by stars, with less than ten per cent of their visible mass in the form of gas. Determining when most of these stars formed is one of the central issues of observational ...
    • Mapping and multi-wavelength properties of stellar complexes in the LMC 

      Livanou, E.; Kontizas, Maria; Gonidakis, Ioannis; Kontizas, Evanghelos; Maragoudaki, F.; Oliver, Sebastian James; Efstathiou, Andreas; Klein, Ulrich (2006-12-01)
      Filamentary structures of early type stars are found to be a common feature of the Magellanic Clouds formed at an age of about 0.9 - 2 × 10 8yr. As we go to younger ages these large structures appear fragmented and sooner ...
    • MID-FIR properties of ELAIS sources 

      Márquez, I.; Masegosa, J.; Morel, Thierry; Efstathiou, Andreas; Verma, Aprajita; Väisänen, Petri H.; Alexander, David M.; Héraudeau, Ph; Surace, Christian; Pérez-Fournón, Ismaël; Cabrera-Guerra, F.; González-Serrano, José Ignacio; González-Solares, Eduardo A.; Serjeant, Stephen B.G.; Oliver, Sebastian James; Rowan-Robinson, Michael (2001-01-01)
      We present the properties of all the galaxies detected by ISO at 7, 15 and 90μm in ELAIS northern fields. The spectral energy distribution (SED) of those 20 galaxies with IRAS detections can generally be well fitted by a ...
    • Observations of the Hubble Deep Field South with the Infrared Space Observatory - I. Observations, data reduction and mid-infrared source counts 

      Oliver, Sebastian James; Robert Mann, Robert; Carballo, Ruth; Franceschini, Alberto; Rowan-Robinson, Michael; Kontizas, Maria; Dapergolas, Anastasios; Kontizas, Evanghelos; Verma, Aprajita; Elbaz, David; Granato, Gianluigi; Silva, Laura Da; Rigopoulou, Dimitra; González-Serrano, José Ignacio; Serjeant, Stephen B.G.; Efstathiou, Andreas; Van Der Werf, Paul P. (2002-05-21)
      We present results from a deep mid-infrared survey of the Hubble Deep Field South (HDF-S) region performed at 6.7 and 15 μm with the ISOCAM instrument on board the Infrared Space Observatory (ISO). The final map in each ...
    • Observations of the Hubble Deep Field South with the Infrared Space Observatory - II. Associations and star formation rates 

      Robert Mann, Robert; Oliver, Sebastian James; Carballo, Ruth; Franceschini, Alberto; Rowan-Robinson, Michael; Heavens, Alan F.; Kontizas, Maria; Elbaz, David; Dapergolas, Anastasios; Kontizas, Evanghelos; Granato, Gianluigi; Silva, Laura Da; Rigopoulou, Dimitra; González-Serrano, José Ignacio; Verma, Aprajita; Serjeant, Stephen B.G.; Efstathiou, Andreas; Van Der Werf, Paul P. (2002-05-21)
      We present results from a deep mid-infrared survey of the Hubble Deep Field South (HDF-S) region performed at 6.7 and 15 μm with the ISOCAM instrument on board the Infrared Space Observatory (ISO). We find reliable ...
    • Observations of the Hubble Deep Field with the Infrared Space Observatory - I. Data reduction, maps and sky coverage 

      Serjeant, Stephen B.G.; Eaton, Nick; Oliver, Sebastian James; Efstathiou, Andreas; Goldschmidt, Pippa; Robert Mann, Robert; Mobasher, Bahram; Rowan-Robinson, Michael; Sumner, Timothy J.; Danese, Luigi; Elbaz, David; Franceschini, Alberto; Egami, Eiichi; Kontizas, Maria; Andy R. Lawrence, Andy; McMahon, R. G.; Nørgaard-Nielsen, Hans Ulrik; Pérez-Fournón, Ismaël; González-Serrano, José Ignacio (1997-01-01)
      We present deep imaging at 6.7 and 15 μm from the CAM instrument on the Infrared Space Observatory (ISO), centred on the Hubble Deep Field (HDF). These are the deepest integrations published to date at these wavelengths ...
    • Observations of the Hubble Deep Field with the Infrared Space Observatory - II. Source detection and photometry 

      Goldschmidt, Pippa; Oliver, Sebastian James; Serjeant, Stephen B.G.; Baker, Amanda C.; Eaton, Nick; Efstathiou, Andreas; Gruppioni, Carlotta; Robert Mann, Robert; Mobasher, Bahram; Rowan-Robinson, Michael; Sumner, Timothy J.; Danese, Luigi; Elbaz, David; Franceschini, Alberto; Egami, Eiichi; Kontizas, Maria; Andy R. Lawrence, Andy; McMahon, R. G.; Nørgaard-Nielsen, Hans Ulrik; Pérez-Fournón, Ismaël; González-Serrano, José Ignacio (1997-01-01)
      We present positions and fluxes of point sources found in the Infrared Space Observatory (ISO) images of the Hubble Deep Field (HDF) at 6.7 and 15 μm. We have constructed algorithmically selected 'complete' flux-limited ...
    • Observations of the Hubble Deep Field with the Infrared Space Observatory - III. Source counts and P(D) analysis 

      Oliver, Sebastian James; Goldschmidt, Pippa; Franceschini, Alberto; Serjeant, Stephen B.G.; Efstathiou, Andreas; Verma, Aprajita; Gruppioni, Carlotta; Eaton, Nick; Robert Mann, Robert; Mobasher, Bahram; Pearson, Chris P.; Rowan-Robinson, Michael; Sumner, Timothy J.; Danese, Luigi; Elbaz, David; Egami, Eiichi; Kontizas, Maria; Andy R. Lawrence, Andy; McMahon, R. G.; Nørgaard-Nielsen, Hans Ulrik; Pérez-Fournón, Ismaël; González-Serrano, José Ignacio (1997-01-01)
      We present source counts at 6.7 and 15 μm from our maps of the Hubble Deep Field (HDF) region, reaching 38.6 μJy at 6.7 μm and 255 μJy at 15 μm. These are the first ever extragalactic number counts to be presented at 6.7 ...
    • Observations of the Hubble Deep Field with the Infrared Space Observatory - IV. Association of sources with Hubble Deep Field galaxies 

      Robert Mann, Robert; Oliver, Sebastian James; Serjeant, Stephen B.G.; Rowan-Robinson, Michael; Baker, Amanda C.; Eaton, Nick; Efstathiou, Andreas; Goldschmidt, Pippa; Mobasher, Bahram; Sumner, Timothy J.; Danese, Luigi; Elbaz, David; Franceschini, Alberto; Egami, Eiichi; Kontizas, Maria; Andy R. Lawrence, Andy; McMahon, R. G.; Nørgaard-Nielsen, Hans Ulrik; Pérez-Fournón, Ismaël; González-Serrano, José Ignacio (1997-01-01)
      We discuss the identification of sources detected by the Infrared Space Observatory (ISO) at 6.7 and 15 μm in the Hubble Deep Field (HDF) region. We conservatively associate ISO sources with objects in existing optical and ...
    • Observations of the Hubble Deep Field with the Infrared Space Observatory - V. Spectral energy distributions, starburst models and star formation history 

      Rowan-Robinson, Michael; Robert Mann, Robert; Oliver, Sebastian James; Efstathiou, Andreas; Eaton, Nick; Goldschmidt, Pippa; Mobasher, Bahram; Serjeant, Stephen B.G.; Sumner, Timothy J.; Danese, Luigi; Elbaz, David; Franceschini, Alberto; Egami, Eiichi; Kontizas, Maria; Andy R. Lawrence, Andy; McMahon, R. G.; Nørgaard-Nielsen, Hans Ulrik; Pérez-Fournón, Ismaël; González-Serrano, José Ignacio (1997-01-01)
      We have modelled the spectral energy distributions of the 13 Hubble Deep Field (HDF) galaxies reliably detected by the Infrared Space Observatoiy (ISO). For two galaxies the emission detected by ISO is consistent with being ...
    • Principal component analysis and radiative transfer modelling of Spitzer Infrared Spectrograph spectra of ultraluminous infrared galaxies 

      Hurley, Peter Donald; Oliver, Sebastian James; Farrah, Duncan G.; Wang, Lingyu; Efstathiou, Andreas (2012-08-11)
      The mid-infrared spectra of ultraluminous infrared galaxies (ULIRGs) contain a variety of spectral features that can be used as diagnostics to characterize the spectra. However, such diagnostics are biased by our prior ...
    • Properties of Firback-Elais 175-μm sources in the Elais N2 region 

      Taylor, E. L.; Robert Mann, Robert; Efstathiou, Andreas; Babbedge, Tom S.R.; Rowan-Robinson, Michael; Lagache, Guilaine; Andy R. Lawrence, Andy; Mei, Simona; Vaccari, Mattia; Héraudeau, Ph; Oliver, Sebastian James; Dennefeld, Michel; Pérez-Fournón, Ismaël; Serjeant, Stephen B.G.; González-Solares, Eduardo A.; Puget, Jean Loup; Dole, Hervé A.; Lari, Carlo (2005-08-21)
      We report on a search for the optical counterparts of 175-μm selected sources from the Far-Infrared Background (FIRBACK) survey in the European Large Area 750 Survey (ELAIS) N2 field. Applying a likelihood ratio technique ...
    • Red, redder, reddest: SCUBA-2 imaging of colour-selected Herschel sources 

      Duivenvoorden, S.; Oliver, Sebastian James; Scudder, Jillian M.; Greenslade, Joshua; Riechers, Dominick A.; Wilkins, Stephen M.; Buat, Véronique; Chapman, Scott C.; Clements, David L.; Cooray, Asantha Roshan; Coppin, Kristen E.K.; Dannerbauer, Helmut; De Zotti, Gianfranco; Dunlop, Jamess S.; Eales, Stephen A.; Efstathiou, Andreas; Farrah, Duncan G.; Geach, James E.; Holland, Wayne S.; Hurley, Peter Donald; Ivison, Robert J.; Marchetti, L.; Petitpas, Glen R.; Sargent, Mark T.; Scott, Douglas J.; Symeonidis, Myrto; Vaccari, Mattia (2018-06-11)
      High-redshift, luminous, dusty star-forming galaxies (DSFGs) constrain the extremity of galaxy formation theories. The most extreme are discovered through follow-up on candidates in large area surveys. Here, we present ...
    • Spectral energy distributions and luminosities of galaxies and active galactic nuclei in the Spitzer Wide-area Infrared Extragalactic (SWIRE) legacy survey 

      Rowan-Robinson, Michael; Babbedoe, Tom; Surace, Jason A.; Shupe, David L.; Fang, Fan; Lonsdale, Carol J.; Smith, Gene P.; Polletta, M.; Siana, Brian D.; González-Solares, Eduardo A.; Kevin, Xu U.; Owen, Frazer N.; Domingue, Donovan L.; Efstathiou, Andreas; Farrah, Duncan G.; Fox, Matt J.; Franceschini, Alberto; Frayer, David T.; Hatziminaoglou, Evanthia; Masci, Frank J.; Morrison, Glenn E.; Nandra, Kirpaul P.; Oliver, Sebastian James; Onyett, Natalie; Padgett, Deborah L.; Pérez-Fournón, Ismaël; Serjeant, Stephen B.G.; Stacey, Gordon J.; Vaccari, Mattia (2005-03-01)
      We discuss optical associations, spectral energy distributions (SEDs), and photometric redshifts for Spitzer Wide-Area Infrared Extragalactic (SWIRE) Survey sources in the European Large-Area ISO Survey (ELAIS) N1 area and ...
    • Spectroscopic properties of new IR galaxies detected in the european large area ISO survey 

      Cabrera-Guerra, F.; Pérez-Fournón, Ismaël; González-Solares, Eduardo A.; Fadda, Dario T.; González-Serrano, Ignacio; Rowan-Robinson, Michael; Serjeant, Stephen B.G.; Verma, Aprajita; Farrah, Duncan G.; Efstathiou, Andreas; Morel, Thierry; Surace, Christian; Oliver, Sebastian James; Ciliegi, Paolo; Pozzi, Francesca; Lari, Carlo; McMahon, R. G.; Willott, Chris J.; Vila-Vilaró, Baltasar; Mature, I.; LaFranca, F.; Héraudeau, Ph; Masegosa, J.; Márquez, I.; Gruppioni, Carlotta; Franceschini, Alberto; Flores, Hector (2001-01-01)
      We present preliminary results of multi-object spectroscopy of new mid-, and far-infrared selected galaxies detected in the European Large Area ISO Survey (ELAIS). The data have been obtained with the fibre spectrographs ...
    • Star formation rates in luminous quasars at 2 < z < 3 

      Harris, Kathryn A.; Farrah, Duncan G.; Schulz, Bernhard; Hatziminaoglou, Evanthia; Viero, Marco P.; Anderson, Nick; Béthermin, Matthieu; Chapman, Scott C.; Clements, David L.; Cooray, Asantha Roshan; Efstathiou, Andreas; Feltre, Anna; Hurley, Peter Donald; Ibar, Edo; Lacy, Mark D.; Oliver, Sebastian James; Page, Mathew J.; Pérez-Fournón, Ismaël; Petty, Sara M.; Pitchford, Lura K.; Rigopoulou, Dimitra; Scott, Douglas J.; Symeonidis, Myrto; Vieira, Joaquin D.; Wang, Lingyu (2016-02-10)
      We investigate the relation between star formation rates (M˙s) and AGN properties in optically selected type 1 quasars at 2 < z < 3 using data from Herschel and the SDSS. We find that M˙s remains approximately constant ...