Search Results - "Almaini, Omar"
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The evolution of post-starburst galaxies from z=2 to 0.5
Published in Monthly notices of the Royal Astronomical Society (21-11-2016)“…We present the evolution in the number density and stellar mass functions of photometrically selected post-starburst galaxies in the UKIDSS Ultra Deep Survey,…”
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Massive post-starburst galaxies at z > 1 are compact proto-spheroids
Published in Monthly notices of the Royal Astronomical Society (01-12-2017)“…Abstract We investigate the relationship between the quenching of star formation and the structural transformation of massive galaxies, using a large sample of…”
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A new method for classifying galaxy SEDs from multiwavelength photometry
Published in Monthly notices of the Royal Astronomical Society (11-05-2014)“…We present a new method to classify the broad-band optical-near-infrared spectral energy distributions (SEDs) of galaxies using three shape parameters…”
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An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Number Counts of Submillimeter Galaxies
Published in The Astrophysical journal (20-06-2018)“…We report the first results of AS2UDS, an 870 m continuum survey with the Atacama Large Millimeter/Submillimeter Array (ALMA) of a total area of ∼50 arcmin2…”
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The SCUBA-2 Cosmology Legacy Survey: the clustering of submillimetre galaxies in the UKIDSS UDS field
Published in Monthly notices of the Royal Astronomical Society (11-01-2017)“…Submillimetre galaxies (SMGs) are among the most luminous dusty galaxies in the Universe, but their true nature remains unclear; are SMGs the progenitors of…”
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Minor versus major mergers: the stellar mass growth of massive galaxies from z = 3 using number density selection techniques
Published in Monthly notices of the Royal Astronomical Society (11-12-2014)“…We present a study on the stellar mass growth of the progenitors of local massive galaxies with a variety of number density selections with n ≤ 1 × 10−4 Mpc−3…”
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The redshift and mass dependence on the formation of the Hubble sequence at z > 1 from CANDELS/UDS
Published in Monthly notices of the Royal Astronomical Society (01-08-2013)“…In this paper we present a detailed study of the structures and morphologies of a sample of 1188 massive galaxies with M * ≥ 1010 M between redshifts z = 1 and…”
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Radio imaging of the Subaru/XMM–NewtonDeep Field– III. Evolution of the radio luminosity function beyond z= 1
Published in Monthly notices of the Royal Astronomical Society (01-04-2012)“…ABSTRACT We present spectroscopic and 11‐band photometric redshifts for galaxies in the 100‐μJy Subaru/XMM–NewtonDeep Field radio source sample. We find good…”
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Evidence for a correlation between the sizes of quiescent galaxies and local environment to z ∼ 2
Published in Monthly notices of the Royal Astronomical Society (11-10-2013)“…We present evidence for a strong relationship between galaxy size and environment for the quiescent population in the redshift range 1 < z < 2. Environments…”
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Growing up in a megalopolis: environmental effects on galaxy evolution in a supercluster at z ∼ 0.65 in UKIDSS UDS
Published in Monthly notices of the Royal Astronomical Society (01-04-2018)“…Abstract We present a large-scale galaxy structure Cl J021734−0513 at z ∼ 0.65 discovered in the UKIDSS UDS field, made of ∼20 galaxy groups and clusters,…”
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A machine-learning approach for identifying the counterparts of submillimetre galaxies and applications to the GOODS-North field
Published in Monthly notices of the Royal Astronomical Society (21-10-2019)“…ABSTRACT Identifying the counterparts of submillimetre (submm) galaxies (SMGs) in multiwavelength images is a critical step towards building accurate models of…”
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The identification of post-starburst galaxies at z ∼ 1 using multiwavelength photometry: a spectroscopic verification
Published in Monthly notices of the Royal Astronomical Society. Letters (23-05-2016)“…Despite decades of study, we still do not fully understand why some massive galaxies abruptly switch off their star formation in the early Universe, and what…”
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Cosmic CARNage II: the evolution of the galaxy stellar mass function in observations and galaxy formation models
Published in Monthly notices of the Royal Astronomical Society (11-10-2018)“…We present a comparison of the observed evolving galaxy stellar mass functions with the predictions of eight semi-analytic models and one halo occupation…”
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Exploring the infrared/radio correlation at high redshift
Published in Monthly notices of the Royal Astronomical Society (01-05-2008)“…We have analysed the 24-μm properties of a radio-selected sample in the Subaru–XMM–Newton Deep Field in order to explore the behaviour of the…”
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THE SCUBA-2 COSMOLOGY LEGACY SURVEY: MULTIWAVELENGTH COUNTERPARTS TO 103 SUBMILLIMETER GALAXIES IN THE UKIDSS-UDS FIELD
Published in The Astrophysical journal (22-03-2016)“…ABSTRACT We present multiwavelength identifications for the counterparts of 1088 submillimeter sources detected at 850 m in the SCUBA-2 Cosmology Legacy Survey…”
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Evidence for a large fraction of Compton-thick quasars at high redshift
Published in Monthly notices of the Royal Astronomical Society. Letters (01-07-2007)“…Using mid-infrared and radio selection criteria, we pre-select a sample of candidate high-redshift type 2 quasars in the Subaru XMM–Newton Deep Field (SXDF)…”
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Extremely red objects in the UKIDSS Ultra Deep Survey Early Data Release
Published in Monthly notices of the Royal Astronomical Society (01-11-2006)“…We construct a sample of extremely red objects (EROs) within the UKIDSS Ultra Deep Survey by combining the Early Data Release with optical data from the…”
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High-velocity outflows persist up to 1 Gyr after a starburst in recently quenched galaxies at z > 1
Published in Monthly notices of the Royal Astronomical Society (07-11-2024)“…ABSTRACT High-velocity outflows are ubiquitous in star-forming galaxies at cosmic noon, but are not as common in passive galaxies at the same epoch. Using…”
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