Search Results - "MCINTOSH, D. H"
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Evidence for Merger-driven Growth in Luminous, High-z, Obscured AGNs in the CANDELS/COSMOS Field
Published in The Astrophysical journal (20-01-2018)“…While major mergers have long been proposed as a driver of both active galactic nucleus (AGN) activity and the relation, studies of moderate to high-redshift…”
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2
Colors of Active Galactic Nucleus Host Galaxies at 0.5 < z < 1.1 from the GEMS Survey
Published in The Astrophysical journal (20-10-2004)“…We present the results from a study of the host galaxies of 15 optically selected active galactic nuclei (AGNs) with 0.5 < z < 1.1 from the Galaxy Evolution…”
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3
Tracing the Mass-Dependent Star Formation History of Late-Type Galaxies Using X-Ray Emission: Results from the Chandra Deep Fields
Published in The Astrophysical journal (10-07-2008)“…We report on the X-ray evolution over the last [sim]9 Gyr of cosmic history (i.e., since [image]) of late-type galaxy populations in the Chandra Deep…”
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4
The X-Ray Evolution of Early-Type Galaxies in the Extended Chandra Deep Field-South
Published in The Astrophysical journal (10-03-2007)“…We investigate the evolution over the last 6.3 Gyr of cosmic time (i.e., since z- 0.7) of the average X-ray properties of early-type galaxies within the…”
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5
Ultraviolet Light from Young Stars in GEMS Quasar Host Galaxies at 1.8 < z < 2.75
Published in The Astrophysical journal (20-10-2004)Get full text
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6
CONSTRAINING THE ASSEMBLY OF NORMAL AND COMPACT PASSIVELY EVOLVING GALAXIES FROM REDSHIFT z = 3 TO THE PRESENT WITH CANDELS
Published in The Astrophysical journal (01-10-2013)“…We study the evolution of the number density, as a function of the size, of passive early-type galaxies (ETGs) with a wide range of stellar masses (10…”
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Mid-infrared luminous quasars in the GOODS–Herschel fields: a large population of heavily obscured, Compton-thick quasars at z ≈ 2
Published in Monthly notices of the Royal Astronomical Society (21-02-2016)“…We present the infrared (IR) and X-ray properties of a sample of 33 mid-IR luminous quasars (νL 6 μm ≥ 6 × 1044 erg s−1) at redshift z ≈ 1–3, identified…”
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Testing the modern merger hypothesis via the assembly of massive blue elliptical galaxies in the local Universe
Published in Monthly notices of the Royal Astronomical Society (21-07-2015)“…The modern merger hypothesis offers a method of forming a new elliptical galaxy through merging two equal-mass, gas-rich disc galaxies fuelling a nuclear…”
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9
The bulge–disc decomposed evolution of massive galaxies at 1 < z < 3 in CANDELS
Published in Monthly notices of the Royal Astronomical Society (21-10-2014)“…We present the results of a new and improved study of the morphological and spectral evolution of massive galaxies over the redshift range 1 < z < 3. Our…”
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CANDELS OBSERVATIONS OF THE STRUCTURAL PROPERTIES OF CLUSTER GALAXIES AT z = 1.62
Published in The Astrophysical journal (10-05-2012)“…We discuss the structural and morphological properties of galaxies in a z = 1.62 proto-cluster using near-IR imaging data from Hubble Space Telescope Wide…”
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11
The decomposed bulge and disc size–mass relations of massive galaxies at 1 < z < 3 in CANDELS
Published in Monthly notices of the Royal Astronomical Society (21-10-2014)“…We have constructed a mass-selected sample of M * > 1011 M⊙ galaxies at 1 < z < 3 in the CANDELS UKIDSS UDS and COSMOS fields and have decomposed these systems…”
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12
A Statistical Study of Rest-Frame Optical Emission Properties in Luminous Quasars at 2.0≤z≤2.5
Published in The Astrophysical journal (20-03-1999)Get full text
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13
Toward an Understanding of the Rapid Decline of the Cosmic Star Formation Rate
Published in The Astrophysical journal (20-05-2005)“…We present a first analysis of deep 24 km observations with the Spitzer Space Telescope of a sample of nearly 1500 galaxies in a thin redshift slice, 0.65 , z…”
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14
Dry Mergers in GEMS: The Dynamical Evolution of Massive Early-Type Galaxies
Published in The Astrophysical journal (20-03-2006)“…We have used the 28' x 28' Hubble Space Telescope image mosaic from the GEMS (Galaxy Evolution from Morphology and SEDs) survey in conjunction with the…”
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15
Redshifted and Blueshifted Broad Lines in Luminous Quasars
Published in The Astrophysical journal (01-06-1999)Get full text
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16
GEMS: The Surface Brightness and Surface Mass Density Evolution of Disk Galaxies
Published in The Astrophysical journal (20-12-2005)“…We combine HST imaging from the GEMS (Galaxy Evolution from Morphologies and SEDs) survey with photometric redshifts from COMBO-17 to explore the evolution of…”
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GEMS: Which Galaxies Dominate the z ~ 0.7 Ultraviolet Luminosity Density?
Published in The Astrophysical journal (10-09-2005)Get full text
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The Evolution of Early-Type Red Galaxies with the GEMS Survey: Luminosity-Size and Stellar Mass-Size Relations Since z = 1
Published in The Astrophysical journal (10-10-2005)“…We combine imaging from the Hubble Space Telescope Advanced Camera for Surveys, as part of the GEMS (Galaxy Evolution from Morphologies and SEDs) survey, with…”
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Cosmological weak lensing with the HST GEMS survey
Published in Monthly notices of the Royal Astronomical Society (21-07-2005)“…We present our cosmic shear analysis of GEMS, one of the largest wide-field surveys ever undertaken by the Hubble Space Telescope. Imaged with the Advanced…”
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20
The Galaxy Angular Correlation Functions and Power Spectrum from the Two Micron All Sky Survey
Published in The Astrophysical journal (20-01-2005)“…We calculate the angular correlation function of galaxies in the Two Micron All Sky Survey. We minimize the possible contamination by stars, dust, seeing, and…”
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