Publications (65)
The case for a 'sub-millimeter SDSS': a 3D map of galaxy evolution to z~10
James E. Geach, Manda Banerji, Frank Bertoldi +53
The Sloan Digital Sky Survey (SDSS) was revolutionary because of the extraordinary breadth and ambition of its optical imaging and spectroscopy. We argue that a 'sub-millimeter SDS…
The Spitzer Extragalactic Representative Volume Survey and DeepDrill extension: clustering of near-infrared galaxies
Eelco van Kampen, Mark Lacy, Duncan Farrah +7
We have measured the angular auto-correlation function of near-infrared galaxies in SERVS+DeepDrill, the Spitzer Extragalactic Representative Volume Survey and its follow-up survey…
Forecasting vegetation condition for drought early warning systems in pastoral communities in Kenya
Adam B. Barrett, Steven Duivenvoorden, Edward E. Salakpi +4
Droughts are a recurring hazard in sub-Saharan Africa, that can wreak huge socioeconomic costs.Acting early based on alerts provided by early warning systems (EWS) can potentially…
Specific star-formation and the relation to stellar mass from 0<z<2 as seen in the far-infrared at 70 and 160mu
Seb Oliver, M. Frost, D. Farrah +17
We use the Spitzer Wide-area InfraRed Extragalactic Legacy Survey (SWIRE) to explore the specific star-formation activity of galaxies and their evolution near the peak of the cosmi…
The co-evolution of black hole growth and star formation from a cross-correlation analysis between quasars and the cosmic infrared background
Lingyu Wang, Marco Viero, Nicholas P. Ross +19
We present the first cross-correlation measurement between Sloan Digital Sky Survey (SDSS) Type 1 quasars and the cosmic infrared background (CIB) measured by Herschel. The distrib…
PSCz-1.2 Jy Comparison: A Spherical Harmonics Approach
Luis Teodoro, Enzo Branchini, Carlos Frenk +8
We perform a detailed comparison of the IRAS PSCz and 1.2-Jy spherical harmonic coefficients of the density and velocity fields in redshift space. The monopole terms predicted from…
Spitzer catalog of Herschel-selected ultrared dusty, star-forming galaxies
Jingzhe Ma, Asantha Cooray, Hooshang Nayyeri +24
The largest Herschel extragalactic surveys, H-ATLAS and HerMES, have selected a sample of "ultrared" dusty, star-forming galaxies (DSFGs) with rising SPIRE flux densities ($S_{500}…
The multiplicity of 250-m Herschel sources in the COSMOS field
Jillian M. Scudder, Seb Oliver, Peter D. Hurley +5
We investigate the multiplicity of extragalactic sources detected by the Herschel Space Observatory in the COSMOS field. Using 3.6- and 24-m catalogues, in conjunction with 250…
PRIMAger General Observer programs: a {\Large }-sr Infrared Survey and other General Observer wide-field programs
Denis Burgarella, Matthieu Bethermin, Alessandro Boselli +5
The PRobe far-Infrared Mission for Astrophysics (PRIMA) is a cryogenically-cooled, far-infrared (far-IR) observatory expected to begin serving the astronomical community by early 2…
The European Large Area ISO Survey: ELAIS
Seb Oliver
The European Large Area ISO Survey (ELAIS) has surveyed ~12 square degrees of the sky at 15mu and 90mu and subsets of this area at 6.75mu and 175mu using the Infrared Space Observa…
Sieging HELM's deep: PRIMA unveils the far-infrared properties of highly extincted low-mass galaxies
Laura Bisigello, Carlotta Gruppioni, Giulia Rodighiero +5
Although the majority of star-forming galaxies show a tight correlation between stellar mass and dust extinction, recent James Webb Space Telescope observations have revealed a pec…
Optical and Infrared Diagnostics of SDSS galaxies in the SWIRE Survey
Payam Davoodi, Francesca Pozzi, Seb Oliver +14
We present the rest-frame optical and infrared colours of a complete sample of 1114 z<0.3 galaxies from the Spitzer Wide-area InfraRed Extragalactic Legacy Survey (SWIRE) and the S…
High-Redshift QSOs in the SWIRE Survey and the z~3 QSO Luminosity Function
Brian Siana, Maria del Carmen Polletta, Harding E. Smith +10
We use a simple optical/infrared (IR) photometric selection of high-redshift QSOs that identifies a Lyman Break in the optical photometry and requires a red IR color to distinguish…
Multiwavelength characterization of faint Ultra Steep Spectrum radio sources : A search for high-redshift radio galaxies
Veeresh Singh, Alexandre Beelen, Yogesh Wadadekar +9
Ultra Steep Spectrum (USS) radio sources are one of the efficient tracers of powerful High-z Radio Galaxies (HzRGs). In contrast to searches for powerful HzRGs from radio surveys o…
First Insights into the SWIRE Galaxy Populations
Carol Lonsdale, Maria Polletta, Jason Surace +29
We characterize the SWIRE galaxy populations in the SWIRE validation field within the Lockman Hole, based on the 3.6-24 Spitzer data and deep U,g',r',r' optical imaging within…
Cosmic happenstance: 24-m selected, multi-component Herschel sources are line-of-sight projections
Jillian M. Scudder, Seb Oliver, Peter D. Hurley +3
In this paper, we investigate the physical associations between blended far-infrared (FIR)-emitting galaxies, in order to identify the level of line-of-sight projection contaminati…
Stellar and black hole assembly in z<0.3 infrared-luminous mergers: intermittent starbursts vs. super-Eddington accretion
Duncan Farrah, Andreas Efstathiou, Jose Afonso +20
We study stellar and black hole mass assembly in a sample of 42 infrared-luminous galaxy mergers at z<0.3 by combining results from radiative transfer modelling with archival measu…
The History of Star Forming Galaxies and their Environment as seen by Spitzer: A Review
Isaac Roseboom, Seb Oliver, Duncan Farrah +1
The advent of the Spitzer Space Telescope has revolutionized our understanding of the history of star formation and galaxy mass assembly in the Universe. The tremendous leap in sen…
The European Large Area ISO Survey I: Goals, Definition and Observation
Seb Oliver, the ELAIS consortium
We describe the European Large Area ISO Survey (ELAIS). ELAIS was the largest single Open Time project conducted by ISO, mapping an area of 12 square degrees at 15mu with ISO-CAM a…
FIRST Extra-Galactic Surveys: Practical Considerations
Seb Oliver
We discuss some of the practical considerations that need to be made in the design of extra-galactic field surveys using FIRST. We investigate the various limitations that confusio…
The Galaxy Evolution Probe
Jason Glenn, Charles M. Bradford, Erik Rosolowsky +21
The Galaxy Evolution Probe (GEP) is a concept for a mid- and far-infrared space observatory to measure key properties of large samples of galaxies with large and unbiased surveys.…
Parametric modelling of the 3.6um to 8um colour distributions of galaxies in the SWIRE Survey
Payam Davoodi, Seb Oliver, Maria del Carmen Polletta +15
We fit a parametric model comprising a mixture of multi-dimensional Gaussian functions to the 3.6 to 8um colour and optical photo-z distribution of galaxy populations in the ELAIS-…
The star-formation rate density from z = 0-6
Michael Rowan-Robinson, Seb Oliver, Lingyu Wang +6
We use 3035 Herschel-SPIRE 500m sources from 20.3 sq deg of sky in the HerMES Lockman, ES1 and XMM-LSS areas to estimate the star-formation rate density at z = 1-6. 500 mu sour…
The spatial clustering of ultraluminous infrared galaxies over 1.5<z<3
Duncan Farrah, Carol Lonsdale, Colin Borys +9
We present measurements of the spatial clustering of galaxies with stellar masses >10^11Msun, infrared luminosities >10^12 Lsun, and star formation rates >200Msun per year in two r…
Timeline analysis and wavelet multiscale analysis of the AKARI All-Sky Survey at 90 micron
Lingyu Wang, Michael Rowan-Robinson, Issei Yamamura +17
We present a careful analysis of the point source detection limit of the AKARI All-Sky Survey in the WIDE-S 90 m band near the North Ecliptic Pole (NEP). Timeline Analysis is u…
Principal component analysis of the Spitzer IRS spectra of ultraluminous infrared galaxies
Lingyu Wang, Duncan Farrah, Brian Connolly +4
We present the first principal component analysis (PCA) applied to a sample of 119 Spitzer Infrared Spectrograph (IRS) spectra of local ultraluminous infrared galaxies (ULIRGs) at…
EVOLUTION OF FAINT IRAS GALAXIES
Seb Oliver
There has been some disagreement about the strength of evolution exhibited by IRAS galaxies. With a parameterisation such that the co-moving density increases as measurem…
The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas
Rui Marques-Chaves, Ismael Pérez-Fournon, Raphael Gavazzi +15
The submillimeter galaxy (SMG) HERMES J105751.1+573027 (hereafter HLock01) at z = 2.9574 +/- 0.0001 is one of the brightest gravitationally lensed sources discovered in the Hersche…
Photometric redshifts in the SWIRE Survey
Michael Rowan-Robinson, Tom Babbedge, Seb Oliver +14
We present the SWIRE Photometric Redshift Catalogue, 1025119 redshifts of unprecedented reliability and accuracy. Our method is based on fixed galaxy and QSO templates applied to d…
An almost NIRCam-dark dusty star-forming galaxy at z=6.63
Longji Bing, Seb Oliver, Mengyuan Xiao +28
We present AC-2168, an almost NIRCam-dark, millimetre-bright galaxy in the COSMOS field. The source was identified blindly in ALMA Band-4 continuum data and remains undetected in t…
HST imaging survey of sub-mJy star-forming galaxies I: morphologies at z ~ 0.2
Stephen Serjeant, Bahram Mobasher, Carlotta Gruppioni +1
We present the first results of our HST WFPC2 F814W snapshot imaging survey, targeting virtually all sub-mJy decimetric radio-selected star-forming galaxies. The radio selection at…
A New Approach to Multi-wavelength Associations of Astronomical Sources
Isaac G. Roseboom, Seb Oliver, David Parkinson +1
One of the biggest problems faced by current and next-generation astronomical surveys is trying to produce large numbers of accurate cross identifications across a range of wavelen…
Bayesian methods of astronomical source extraction
Richard S. Savage, Seb Oliver
We present two new source extraction methods, based on Bayesian model selection and using the Bayesian Information Criterion (BIC). The first is a source detection filter, able to…
The local star formation rate and radio luminosity density
Stephen Serjeant, Carlotta Gruppioni, Seb Oliver
We present a new determination of the local volume-averaged star formation rate from the 1.4 GHz luminosity function of star forming galaxies. Our sample, taken from the B<=12 Revi…
Statistical constraints on the IR galaxy number counts and cosmic IR background from the Spitzer GOODS survey
Richard S. Savage, Seb Oliver
We perform fluctuation analyses on the data from the Spitzer GOODS survey (epoch one) in the Hubble Deep Field North (HDF-N). We fit a parameterised power-law number count model of…
Principal Component Analysis and Radiative Transfer modelling of Spitzer IRS Spectra of Ultra Luminous Infrared Galaxies
Peter D Hurley, Seb Oliver, Duncan Farrah +2
The mid-infrared spectra of ultraluminous infrared galaxies (ULIRGs) contain a variety of spectral features that can be used as diagnostics to characterise the spectra. However, su…
A Submillimetre Survey of the Hubble Deep Field: Unveiling Dust-Enshrouded Star Formation in the Early Universe
David H. Hughes, James Dunlop, Michael Rowan-Robinson +11
The advent of sensitive sub-mm array cameras now allows a proper census of dust-enshrouded massive star-formation in very distant galaxies, previously hidden activity to which even…
GAMA: towards a physical understanding of galaxy formation
Simon P. Driver, Peder Norberg, Ivan K. Baldry +46
The Galaxy And Mass Assembly (GAMA) project is the latest in a tradition of large galaxy redshift surveys, and is now underway on the 3.9m Anglo-Australian Telescope at Siding Spri…
Unveiling Dust-enshrouded Star Formation in the Early Universe: a Sub-mm Survey of the Hubble Deep Field
David Hughes, Steve Serjeant, James Dunlop +12
The advent of sensitive sub-mm array cameras now allows a proper census of dust-enshrouded massive star-formation in very distant galaxies, previously hidden activity to which even…
Rise of the Titans: Gas Excitation and Feedback in a Binary Hyper-Luminous Dusty Starburst Galaxy at z~6
Dominik A. Riechers, Hooshang Nayyeri, Denis Burgarella +8
We report new observations toward the hyper-luminous dusty starbursting major merger ADFS-27 (z=5.655), using ATCA and ALMA. We detect CO 2-1, 8-7, 9-8, 10-9 and H2O(321-221) emiss…
SWIRE: The SIRTF Wide-area InfraRed Extragalactic Survey
Carol J. Lonsdale, Harding E. Smith, Michael Rowan-Robinson +16
The SIRTF Wide-area InfraRed Extragalactic survey (SWIRE), the largest SIRTF Legacy program, is a wide-area, imaging survey to trace the evolution of dusty, star-forming galaxies,…
The role of environment in galaxy evolution in the SERVS Survey I: density maps and cluster candidates
Nick Krefting, Anna Sajina, Mark Lacy +10
We use photometric redshifts derived from new -band through 4.5m Spitzer IRAC photometry in the 4.8\,deg of the XMM-LSS field to construct surface density maps in the re…
The PSCz catalogue
Will Saunders, Seb Oliver, Oliver Keeble +8
We present the catalogue and redshift data for the PSCz survey of 15,000 IRAS galaxies over 84% of the sky. The uniformity, completeness and data quality are assessed, and guidelin…
Rise of the Titans: A Dusty, Hyper-Luminous "870 micron Riser" Galaxy at z~6
Dominik A. Riechers, T. K. Daisy Leung, Rob J. Ivison +12
We report the detection of ADFS-27, a dusty, starbursting major merger at a redshift of z=5.655, using the Atacama Large Millimeter/submillimeter Array (ALMA). ADFS-27 was selected…
HELP: A catalogue of 170 million objects, selected at 0.36-4.5 m, from 1270 deg. of prime extragalactic fields
Raphael Shirley, Yannick Roehlly, Peter D Hurley +15
We present an optical to near-infrared selected astronomical catalogue covering 1270 deg.. This is the first attempt to systematically combine data from 23 of the premier extra…
A Halo Model of Local IRAS Galaxies Selected at 60 Micron Using Conditional Luminosity Functions
Lingyu Wang, Asantha Cooray, Seb Oliver
Using conditional luminosity functions (CLFs) which encode the luminosity distribution of galaxies as a function of halo mass, we construct a halo model of IRAS galaxies selected a…
A deep radio survey of the AKARI North Ecliptic Pole Field - WSRT 20 cm Radio survey description, observations and data reduction
Glenn J. White, Chris Pearson, Robert Braun +17
The Westerbork Radio Synthesis Telescope, WSRT, has been used to make a deep radio survey of an ~ 1.7 sq degree field coinciding with the AKARI North Ecliptic Pole Deep Field. The…
The European Large Area ISO Survey: Latest Result
Seb Oliver, S. Serjeant, A. Efstathiou +5
We present some recent results from the European Large Area ISO Survey (ELAIS). This survey was the largest non-serendipitous ISO field survey. A preliminary reduction has recently…
The extragalactic sub-mm population: predictions for the SCUBA Half-Degree Extragalactic Survey (SHADES)
Eelco van Kampen, Will J. Percival, Miller Crawford +9
We present predictions for the angular correlation function and redshift distribution for SHADES, the SCUBA HAlf-Degree Extragalactic Survey, which will yield a sample of around 30…
Understanding Infrared Galaxy Populations: the SWIRE Legacy Survey
Michael Rowan-Robinson, Carol Lonsdale, Gene Smith +21
We discuss spectral energy distributions, photometric redshifts, redshift distributions, luminosity functions, source-counts and the far infrared to optical luminosity ratio for so…
Galaxy populations from Deep ISO Surveys
Seb Oliver
I discuss some of the main extra-galactic field surveys which have been undertaken by the Infrared Space Observatory (ISO). I review the findings from the source counts analysies a…
Monte Carlo Markov Chain Parameter Estimation in Semi-Analytic Models of Galaxy Formation
Bruno Henriques, Peter Thomas, Seb Oliver +1
[abridged] We present a statistical exploration of the parameter space of the De Lucia and Blaizot version of the Munich semi-analytic model built upon the millennium dark matter s…
Density and Velocity Fields from the PSCz Survey
Will Saunders, Enzo Branchini, Luis Teodoro +17
We present the results for the predicted density and peculiar velocity fields and the dipole from the PSCz survey of 15,000 IRAS galaxies over 84% of the sky. We find a significant…
Confusion of extragalactic sources in the far infrared: a baseline assessment of the performance of PRIMAger in intensity and polarization
Matthieu Béthermin, Alberto D. Bolatto, François Boulanger +11
Because of their limited angular resolution, far-infrared telescopes are usually affected by confusion phenomenon. Since several galaxies can be located in the same instrumental be…
Detailed modelling of a large sample of Herschel sources in the Lockman Hole: identification of cold dust and of lensing candidates through their anomalous SEDs
Michael Rowan-Robinson, Lingyu Wang, Julie Wardlow +12
We have studied in detail a sample of 967 SPIRE sources with 5-sigma detections at 350 and 500 micron and associations with Spitzer-SWIRE 24 micron galaxies in the HerMES-Lockman s…
Angular Clustering of Galaxies at 3.6 micron from the SWIRE survey
Seb Oliver, Ian Waddington, Eduardo Gonzalez-Solares +11
We present the first analysis of large-scale clustering from the Spitzer Wide-area InfraRed Extragalactic legacy survey: SWIRE. We compute the angular correlation function of galax…
The European Large Area ISO Survey: ELAIS
Seb Oliver
I describe a European collaborative project to survey \sim 20 square degrees of the sky at 15\micron and 90\micron with ISO. This is the largest open time project being undertaken…
Deep Spitzer observations of infrared-faint radio sources: high-redshift radio-loud AGN?
Ray P. Norris, Jose Afonso, Antonio Cava +12
Infrared-faint radio sources (IFRSs) are a rare class of object which are relatively bright at radio wavelengths but very faint at infrared and optical wavelengths. Here we present…
A hyperluminous obscured quasar at a redshift of z ~ 4.3
Andreas Efstathiou, Katarzyna Malek, Denis Burgarella +9
In this work we report the discovery of the hyperluminous galaxy HELP_J100156.75+022344.7 at the photometric redshift of z ~ 4.3. The galaxy was discovered in the Cosmological Evol…
The radio luminosity density of star-burst galaxies and co-moving star formation rate
Seb Oliver, Carlotta Gruppioni, Stephen Serjeant
We present a new determination of the co-moving star formation density at redshifts z~<0.35 from the 1.4 GHz luminosity function of sub-mJy star-burst galaxies. Our sample, taken f…
Deep Surveys and Cosmology
Seb Oliver
Surveys with ISO (Kessler et al 1996), in particular with the CAM (Cesarsky et al 1996) and PHOT (Lemke et al 1996) instruments, will greatly extend our understanding of extra-gala…
The Herschel-SPIRE Legacy Survey (HSLS): the scientific goals of a shallow and wide submillimeter imaging survey with SPIRE
Asantha Cooray, Steve Eales, Scott Chapman +247
A large sub-mm survey with Herschel will enable many exciting science opportunities, especially in an era of wide-field optical and radio surveys and high resolution cosmic microwa…
Observations of the Hubble Deep Field with the Infrared Space Observatory. III. Source counts and P(D) analysis
The ISO-HDF Consortium, :, Seb Oliver
We present source counts at 6.7 micron and 15 micron from our maps of the Hubble Deep Field region, reaching 38.6 microJy at 6.7 micron and 255 microJy at 15 micron. These are the…
An empirical, Bayesian approach to modelling the impact of weather on crop yield: maize in the US
Raphael Shirley, Edward Pope, Myles Bartlett +8
We apply an empirical, data-driven approach for describing crop yield as a function of monthly temperature and precipitation by employing generative probabilistic models with param…
A Measurement of the Millimeter Emission and the Sunyaev-Zel'dovich Effect Associated with Low-Frequency Radio Sources
Megan B. Gralla, Devin Crichton, Tobias A. Marriage +38
We present a statistical analysis of the millimeter-wavelength properties of 1.4 GHz-selected sources and a detection of the Sunyaev-Zel'dovich (SZ) effect associated with the halo…