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20 papers · 2 filters
Spitzer IRAC identification of Herschel-ATLAS SPIRE sources
Sam Kim, Julie L. Wardlow, Asantha Cooray +28
We use spitzer-IRAC data to identify near-infrared counterparts to submillimeter galaxies detected with Herschel-SPIRE at 250um in the Herschel Astrophysical Terahertz Large Area S…
H-ATLAS/GAMA: Dusty early-type galaxies and passive spirals
K. Rowlands, L. Dunne, S. Maddox +38
We present the dust properties and star-formation histories of local submillimetre-selected galaxies in Herschel-ATLAS, classified by optical morphology. The early-type galaxies (E…
The Herschel Multi-Tiered Extragalactic Survey: SPIRE-mm Photometric Redshifts
I. G. Roseboom, R. J. Ivison, T. R. Greve +78
We investigate the potential of submm-mm and submm-mm-radio photometric redshifts using a sample of mm-selected sources as seen at 250, 350 and 500 μm by the SPIRE instrument on He…
Ultra Steep Spectrum radio sources in the Lockman Hole: SERVS identifications and redshift distribution at the faintest radio fluxes
J. Afonso, L. Bizzocchi, E. Ibar +26
Ultra Steep Spectrum (USS) radio sources have been successfully used to select powerful radio sources at high redshifts (z>~2). Typically restricted to large-sky surveys and relati…
Herschel-ATLAS Galaxy Counts and High Redshift Luminosity Functions: The Formation of Massive Early Type Galaxies
A. Lapi, J. Gonzalez-Nuevo, L. Fan +35
Exploiting the Herschel-ATLAS Science Demonstration Phase (SDP) survey data, we have determined the luminosity functions (LFs) at rest-frame wavelengths of 100 and 250 micron and a…
Observation of H2O in a strongly lensed Herschel-ATLAS source at z=2.3
A. Omont, R. Neri, P. Cox +54
The Herschel survey, H-ATLAS, with its large areal coverage, has recently discovered a number of bright, strongly lensed high-z submillimeter galaxies. The strong magnification mak…
Gas and dust in a submillimeter galaxy at z = 4.24 from the Herschel ATLAS
Pierre Cox, M. Krips, R. Neri +39
We report ground-based follow-up observations of the exceptional source, ID141, one the brightest sources detected so far in the H-ATLAS cosmological survey. ID141 was observed usi…
Herschel/HerMES: The X-ray - Infrared correlation for star-forming galaxies at z~1
M. Symeonidis, A. Georgakakis, N. Seymour +36
For the first time, we investigate the X-ray/infrared (IR) correlation for star-forming galaxies at z~1, using SPIRE submm data from the recently-launched Herschel Space Observator…
EMU: Evolutionary Map of the Universe
Ray P. Norris, A. M. Hopkins, J. Afonso +54
EMU is a wide-field radio continuum survey planned for the new Australian Square Kilometre Array Pathfinder (ASKAP) telescope. The primary goal of EMU is to make a deep (rms ~ 10 m…
Herschel-ATLAS: detection of a far-infrared population around galaxy clusters
K. E. K. Coppin, J. E. Geach, Ian Smail +30
We report the detection of a significant excess in the surface density of far-infrared sources from the Herschel-Astrophysical Terahertz Large Area Survey (H-ATLAS) within ~1 Mpc o…
Physical conditions of the interstellar medium of high-redshift, strongly lensed submillimetre galaxies from the Herschel-ATLAS
Ivan Valtchanov, J. Virdee, R. J. Ivison +51
We present Herschel-SPIRE Fourier Transform Spectrometer (FTS) and radio follow-up observations of two Herschel-ATLAS (H-ATLAS) detected strongly lensed distant galaxies. In one of…
Modeling of the HERMES J105751.1+573027 submillimeter source lensed by a dark matter dominated foreground group of galaxies
R. Gavazzi, A. Cooray, A. Conley +85
We present the results of a gravitational lensing analysis of the bright $\zs=2.957$ sub-millimeter galaxy (SMG), HERMES J105751.1+573027 found in {\it Herschel}/SPIRE Science Demo…
Redshift Determination and CO Line Excitation Modeling for the Multiply-Lensed Galaxy HLSW-01
K. S. Scott, R. E. Lupu, J. E. Aguirre +60
We report on the redshift measurement and CO line excitation of HERMES J105751.1+573027 (HLSW-01), a strongly lensed submillimeter galaxy discovered in Herschel/SPIRE observations…
Discovery of a Multiply-Lensed Submillimeter Galaxy in Early HerMES Herschel/SPIRE Data
A. Conley, A. Cooray, J. D. Vieira +88
We report the discovery of a bright ($f(250\mum) > 400$ mJy), multiply-lensed submillimeter galaxy \obj\ in {\it Herschel}/SPIRE Science Demonstration Phase data from the HerMES pr…
The potential influence of far-infrared emission lines on the selection of high-redshift galaxies
Ian Smail, A. M. Swinbank, R. J. Ivison +1
We investigate whether strong molecular and atomic emission lines at far-infrared wavelengths can influence the identification and derived properties of galaxies selected from broa…
Infrared-Faint Radio Sources: A Cosmological View - AGN Number Counts, the Cosmic X-Ray Background and SMBH Formation
Peter-Christian Zinn, Enno Middelberg, Edo Ibar
Context. Infrared Faint Radio Sources (IFRS) are extragalactic emitters clearly detected at radio wavelengths but barely detected or undetected at optical and infrared wavelengths,…
Herschel-ATLAS: The link between accretion luminosity and star formation in quasar host galaxies
D. G. Bonfield, M. J. Jarvis, M. J. Hardcastle +28
We use the science demonstration field data of the Herschel-ATLAS to study how star formation, traced by the far-infrared Herschel data, is related to both the accretion luminosity…
GAMA/H-ATLAS: The ultraviolet spectral slope and obscuration in galaxies
Dinuka B. Wijesinghe, Elisabete. da Cunha, Andrew. M. Hopkins +59
We use multiwavelength data from the Galaxy And Mass Assembly (GAMA) and Herschel ATLAS (H-ATLAS) surveys to compare the relationship between various dust obscuration measures in g…
HerMES: detection of cosmic magnification of sub-mm galaxies using angular cross-correlation
L. Wang, A. Cooray, D. Farrah +37
Cosmic magnification is due to the weak gravitational lensing of sources in the distant Universe by foreground large-scale structure leading to coherent changes in the observed num…
Sub-millimetre galaxies reside in dark matter halos with masses greater than 3x10^11 solar masses
Alexandre Amblard, Asantha Cooray, Paolo Serra +71
The extragalactic background light at far-infrared wavelengths originates from optically-faint, dusty, star-forming galaxies in the universe with star-formation rates at the level…