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We present strong evidence for the existence of a supercluster at a redshift of z=0.54 in the direction of Selected Area 68. From the distribution of galaxies with spectroscopic redshifts we find that there is a large over-density of…

Astrophysics · Physics 2009-10-28 A. J. Connolly , A. S. Szalay , D. C. Koo , A. K. Romer , B. Holden , R. C. Nichol , T. Miyaji

We present SCUBA-2 and SMA follow-up observations of four candidate high redshift Dusty Star-Forming Galaxies, selected as sources with rising SEDs in the 250, 350 and 500$\mu$m Herschel SPIRE bands. Previous SMA observations showed no…

Astrophysics of Galaxies · Physics 2022-03-03 J. Cairns , D. L. Clements , J. Greenslade , G. Petitpas , T. Cheng , Y. Ding , A. Parmar , I. Pérez-Fournon , D. Riechers

We present an ALMA 1.3 mm (Band 6) continuum survey of lensed submillimeter galaxies (SMGs) at $z=1.0\sim3.2$ with an angular resolution of $\sim0.2$". These galaxies were uncovered by the Herschel Lensing Survey (HLS), and feature…

I discuss our current understanding of the nature of high-redshift (z > 2) (sub)-millimetre-selected galaxies, with a particular focus on whether their properties are representative of, or dramatically different from those displayed by the…

Cosmology and Nongalactic Astrophysics · Physics 2011-08-30 James S. Dunlop

We detect angular galaxy-QSO cross-correlations between the APM Galaxy Catalogue and a preliminary release (consisting of roughly half of the anticipated final catalogue) of the Hamburg-ESO Catalogue of Bright QSOs as a function of source…

Astrophysics · Physics 2009-11-13 Joshua G. Nollenberg , Liliya L. R. Williams

We present here photometric redshift confirmation of the presence of large scale structure around the z=1.82 QSO RXJ0941, which shows an overdensity of submm sources. Radio imaging confirms the presence of the submm sources and pinpoints…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 F. J. Carrera , M. J. Page , J. A. Stevens , R. J. Ivison , T. Dwelly , J. Ebrero , S. Falocco

We present optical morphologies obtained from deep HST and ground-based images for galaxies selected from the first sub-millimeter survey of the distant Universe. Our sample comprises galaxies detected in deep 850-micron continuum maps of…

Astrophysics · Physics 2015-06-24 Ian Smail , R. J. Ivison , A. W. Blain , J. -P. Kneib

We study the sub-mm properties of color-selected galaxies via a stacking analysis applied for the first time to interferometric data at sub-mm wavelengths. We base our study on 344 GHz ALMA continuum observations of ~20''-wide fields…

Cosmological surface brightness dimming of the form $(1+z)^{-4}$ affects all sources. The strong dependence of surface brightness dimming on redshift z suggests the presence of a selection bias when searching for high-redshift galaxies,…

Astrophysics of Galaxies · Physics 2015-06-23 Valentina Calvi , Massimo Stiavelli , Larry Bradley , Alessandro Pizzella , Soyoung Kim

The nature of galaxies selected at submillimeter wavelengths (SMGs, S_850 > 3 mJy), some of the bolometrically most luminous objects at high redshifts, is still elusive. In particular their star formation histories and source of emission…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Michał J. Michałowski , Jens Hjorth , Darach Watson

We investigate the relationship between galaxies and metal-line absorption systems in a large-scale cosmological simulation with galaxy formation. Our detailed treatment of metal enrichment and non-equilibrium calculation of oxygen species…

Astrophysics · Physics 2009-11-13 Rajib Ganguly , Renyue Cen , Taotao Fang , Kenneth Sembach

Sub/millimeter galaxies are a key population for the study of galaxy evolution because the majority of star formation at high redshifts occurred in galaxies deeply embedded in dust. To search for this population, we have performed an…

A magnitude limited sample of nearly 9000 early-type galaxies, in the redshift range 0.01 < z < 0.3, was selected from the Sloan Digital Sky Survey using morphological and spectral criteria. The sample was used to study how early-type…

This paper investigates the clustering properties of SCUBA-selected galaxies in the framework of a unifying scheme relating the formation of QSOs and spheroids (Granato et al. 2000). The theoretical angular correlation function is derived…

Astrophysics · Physics 2009-11-06 M. Magliocchetti , L. Moscardini , P. Panuzzo , G. L. Granato , G. De Zotti , L. Danese

We present the X-ray source catalogues for the XMM surveys of the 3-h and 14-h Canada-France Redshift Survey fields (0.5-10 keV flux range ~2E-15 - 1E-13 erg cm^-2 s^-1). We use a subset of the XMM sources, which have Chandra positions, to…

Astrophysics · Physics 2009-11-10 T. J. Waskett , S. A. Eales , W. K. Gear , H. J. McCracken , M. Brodwin , K. Nandra , E. S. Laird , S. Lilly

Measurements of weak gravitational lensing using the cosmic microwave background and the shapes of galaxies have refined our understanding of the late-time history of the Universe. While optical surveys have been the primary source for…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-20 Alba Kalaja , Ian Harrison , William R Coulton

It is often suggested that the distant galaxies recently identified in 850 micron surveys with the SCUBA bolometer array on the JCMT Telescope are high-redshift analogues to local ultraluminous infrared galaxies, based on their similar…

Astrophysics · Physics 2015-06-24 Neil Trentham

We present extensive observations of a sample of distant, submm galaxies detected in the field of the massive cluster lens, A1835, using SCUBA. Taken in conjunction with earlier observations of other submm-selected sources (Ivison et al.…

Astrophysics · Physics 2009-10-31 Rob Ivison , Ian Smail , Amy Barger , Jean-Paul Kneib , Andrew Blain , Frazer Owen , Tom Kerr , Len Cowie

Several conclusions have been reached over the last few years concerning high-redshift galaxies: (1) The excess of faint blue galaxies is due to dwarf galaxies. (2) Star formation peaks at redshifts z ~1-2. (3) It appears to occur piecemeal…

Astrophysics · Physics 2007-05-23 A. Yahil , K. M. Lanzetta , A. Fernandez-Soto