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The surface density of submillimeter (sub-mm) galaxies as a function of flux, usually termed the source number counts, constrains models of the evolution of the density and luminosity of starburst galaxies. At the faint end of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 M. Zemcov , A. Blain , M. Halpern , L. Levenson

We derive the cosmic star formation history (CSFH) out to z=1.3 using a sample of ~350 radio-selected star-forming galaxies, a far larger sample than in previous, similar studies. We attempt to differentiate between radio emission from AGN…

We present a new measurement of the evolving galaxy far-IR luminosity function (LF) extending out to redshifts z~5, with resulting implications for the level of dust-obscured star-formation density in the young Universe. To achieve this we…

We present results from JCMT sub-mm observations of sources selected from the {\sl ISO} FIRBACK (Far-IR BACKground) survey, along with UKIRT near-IR imaging of a sub-sample. This gives valuable insight into the brightest $\sim$10% of…

Astrophysics · Physics 2009-11-07 A. Sajina , C. Borys , S. Chapman , H. Dole , M. Halpern , G. Lagache , J. -L. Puget , D. Scott

A simple and versatile parameterized approach to the star formation history allows a quantitative investigation of the constraints from far infrared and submillimetre counts and background intensity measurements. The models include four…

Astrophysics · Physics 2011-06-21 M. Rowan-Robinson

We present a statistical study of the redshift evolution of the cluster galaxy population over a wide redshift range from 0.1 to 1.1, using $\sim 1900$ optically-selected CAMIRA clusters from $\sim 232$~deg$^2$ of the Hyper Suprime-Cam…

[abridged] We study the evolution of the Star Formation Rate Function (SFRF) of massive galaxies over the 0.4<z<1.8 redshift range and its implications for our understanding of the physical processes responsible for galaxy evolution. We use…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Fabio Fontanot , Stefano Cristiani , Paola Santini , Adriano Fontana , Andrea Grazian , Rachel S. Somerville

SPICA is one of the key projects for the future. Not only its instrument suite will open up a discovery window but they will also allow to physically understand some of the phenomena that we still do not understand in the high-redshift…

Cosmology and Nongalactic Astrophysics · Physics 2013-10-15 Denis Burgarella , Véronique Buat , Carlotta Gruppioni , Olga Cucciati , Sébastien Heinis , the PEP/HerMES Team

We use state-of-the-art simulations to explore the physical evolution of galaxies in the first billion years of cosmic time. First, we demonstrate that our model reproduces the basic statistical properties of the observed Lyman-break galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Pratika Dayal , James S. Dunlop , Umberto Maio , Benedetta Ciardi

Using a new technique we have determined a value for the constant of proportionality between submillimetre emission and dust mass, the dust mass absorption coefficient at 850 microns. Our method has an advantage over previous methods in…

Astrophysics · Physics 2009-11-07 A. James , L. Dunne , S. Eales , M. G. Edmunds

Direct submm imaging has recently revealed the 850-micron background to be mostly composed of a population of distant ultraluminous infrared galaxies, but identifying the optical/NIR counterparts to these sources has proved difficult due to…

Astrophysics · Physics 2009-10-31 A. J. Barger , L. L. Cowie , E. A. Richards

We investigate the $K$-band luminosity distribution of galaxies in the region of clusters at $z\sim1.2$ near to the radio galaxy 3C 324. The imaging data were obtained during the commissioning period of the Subaru telescope. There is a…

We combine a semi-analytic model of galaxy formation with simple analytic recipes describing the absorption and re-emission of starlight by dust in the interstellar medium of galaxies. We use the resulting models to predict galaxy counts…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 R. S. Somerville , R. C. Gilmore , J. R. Primack , A. Dominguez

We analyse a Far InfraRed (FIR) catalogue of galaxies at 60 microns with a flux limit of approx. 110 mJy, extracted from a deep subsample of the IRAS Faint Source Survey. Monte-Carlo simulations and optical identification statistics are…

Astrophysics · Physics 2007-05-23 E. Bertin , M. Dennefeld , M. Moshir

We compute the cosmic star formation rate (SFR) and the rest-frame comoving luminosity density in various pass-bands as a function of redshift using large-scale \Lambda-CDM hydrodynamical simulations with the aim of understanding their…

Astrophysics · Physics 2009-10-31 Kentaro Nagamine , Renyue Cen , Jeremiah P. Ostriker

We compute the luminosity function (LF) and the formation rate of long gamma ray bursts (GRBs) by fitting the observed differential peak flux distribution obtained by the BATSE experiment in two different scenarios: i) the GRB luminosity…

Astrophysics · Physics 2015-05-13 R. Salvaterra , C. Guidorzi , S. Campana , G. Chincarini , G. Tagliaferri

We investigate the evolution of Brightest Cluster Galaxies (BCGs) from redshift z~1.6 to z~0. We use the semi-analytic model of Croton et al. (2006) with a new spectro-photometric model based on the Maraston (2005) stellar populations and a…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Chiara Tonini , Maksym Bernyk , Darren Croton , Claudia Maraston , Daniel Thomas

We investigate early galaxy evolution by modeling self-consistently their radially-resolved evolution of gas, stars, heavy elements, and dust content. Our model successfully reproduces various observed properties of JWST-identified galaxies…

Astrophysics of Galaxies · Physics 2025-02-19 Daisuke Toyouchi , Hidenobu Yajima , Andrea Ferrara , Kentaro Nagamine

Future extragalactic sub-millimetre and millimetre surveys have the potential to provide a sensitive census of the level of obscured star formation in galaxies at all redshifts. While in general there is good agreement between the source…

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