Search Results - "Murphy, Jeremy D."
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THE MASSIVE SURVEY. I. A VOLUME-LIMITED INTEGRAL-FIELD SPECTROSCOPIC STUDY OF THE MOST MASSIVE EARLY-TYPE GALAXIES WITHIN 108 Mpc
Published in The Astrophysical journal (10-11-2014)“…Massive early-type galaxies represent the modern day remnants of the earliest major star formation episodes in the history of the universe. These galaxies are…”
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THE MASSIVE SURVEY. II. STELLAR POPULATION TRENDS OUT TO LARGE RADIUS IN MASSIVE EARLY-TYPE GALAXIES
Published in The Astrophysical journal (01-07-2015)“…ABSTRACT We examine stellar population gradients in ∼100 massive early-type galaxies spanning km s−1 and MK of −22.5 to −26.5 mag, observed as part of the…”
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DYNAMICAL MEASUREMENTS OF BLACK HOLE MASSES IN FOUR BRIGHTEST CLUSTER GALAXIES AT 100 Mpc
Published in The Astrophysical journal (10-09-2012)“…(ProQuest: ... denotes formulae and/or non-USASCII text omitted)We present stellar kinematics and orbit superposition models for the central regions of four…”
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THE STELLAR HALOS OF MASSIVE ELLIPTICAL GALAXIES. II. DETAILED ABUNDANCE RATIOS AT LARGE RADIUS
Published in The Astrophysical journal (20-10-2013)“…We study the radial dependence in stellar populations of 33 nearby early-type galaxies with central stellar velocity dispersions [sigma][low *] [> ~] 150 km s…”
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THE STELLAR HALOS OF MASSIVE ELLIPTICAL GALAXIES
Published in The Astrophysical journal (01-05-2012)“…We use the Mitchell Spectrograph (formerly VIRUS-P) on the McDonald Observatory 2.7 m Harlan J. Smith Telescope to search for the chemical signatures of…”
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THE CENTRAL DARK MATTER DISTRIBUTION OF NGC 2976
Published in The Astrophysical journal (20-01-2012)“…We study the mass distribution in the late-type dwarf galaxy NGC 2976 through stellar kinematics obtained with the Visible Integral Field Replicable Unit…”
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THE RISING STELLAR VELOCITY DISPERSION OF M87 FROM INTEGRATED STARLIGHT
Published in The Astrophysical journal (20-04-2014)“…We have measured the line-of-sight velocity distribution from integrated stellar light at two points in the outer halo of M87 (NGC 4486), the second-rank…”
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Galaxy Kinematics with VIRUS-P: The Dark Matter Halo of M87
Published in The Astrophysical journal (10-03-2011)“…We present two-dimensional stellar kinematics of M87 out to R = 238'' taken with the integral field spectrograph VIRUS-P. We run a large set of axisymmetric,…”
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THE STELLAR HALOS OF MASSIVE ELLIPTICAL GALAXIES. III. KINEMATICS AT LARGE RADIUS
Published in The Astrophysical journal (01-05-2014)“…We present a two-dimensional kinematic analysis out to ~2-5 effective radii (R sub(e)) of 33 massive elliptical galaxies with stellar velocity dispersions…”
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Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies
Published in Nature (London) (01-12-2011)“…Two nearby black holes are the most massive yet found, with masses—of around ten billion solar masses—considerably greater than predicted by conventional…”
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DWARF GALAXY DARK MATTER DENSITY PROFILES INFERRED FROM STELLAR AND GAS KINEMATICS
Published in The Astrophysical journal (01-07-2014)“…We present new constraints on the density profiles of dark matter (DM) halos in seven nearby dwarf galaxies from measurements of their integrated stellar light…”
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DWARF GALAXY DARK MATTER DENSITY PROFILES INFERRED FROM STELLAR AND GAS KINEMATICS
Published in The Astrophysical journal (16-06-2014)Get full text
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THE HETDEX PILOT SURVEY. II. THE EVOLUTION OF THE Ly{alpha} ESCAPE FRACTION FROM THE ULTRAVIOLET SLOPE AND LUMINOSITY FUNCTION OF 1.9 < z < 3.8 LAEs
Published in The Astrophysical journal (20-07-2011)“…We study the escape of Ly{alpha} photons from Ly{alpha} emitting galaxies (LAEs) and the overall galaxy population using a sample of 99 LAEs at 1.9 < z < 3.8…”
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The Rising Stellar Velocity Dispersion of M87 from Integrated Starlight
Published 06-03-2014“…We have measured the line-of-sight velocity distribution from integrated stellar light at two points in the outer halo of M87 (NGC 4486), the second-rank…”
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The MASSIVE Survey II: Stellar Population Trends Out to Large Radius in Massive Early Type Galaxies
Published 09-04-2015“…We examine stellar population gradients in ~100 massive early type galaxies spanning 180 < sigma* < 370 km/s and M_K of -22.5 to -26.5 mag, observed as part of…”
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Galaxy Kinematics with VIRUS-P: The Dark Matter Halo of M87
Published 10-01-2011“…We present 2-D stellar kinematics of M87 out to R = 238" taken with the integral field spectrograph VIRUS-P. We run a large set of axisymmetric, orbit-based…”
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The MASSIVE Survey - I. A Volume-Limited Integral-Field Spectroscopic Study of the Most Massive Early-Type Galaxies within 108 Mpc
Published 13-10-2014“…ApJ (2014) 795, 158 Massive early-type galaxies represent the modern-day remnants of the earliest major star formation episodes in the history of the universe…”
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The Stellar Halos of Massive Elliptical Galaxies II: Detailed Abundance Ratios at Large Radius
Published 12-08-2013“…We study the radial dependence in stellar populations of 33 nearby early-type galaxies with central stellar velocity dispersions sigma* > 150 km/s. We measure…”
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The Stellar Halos of Massive Elliptical Galaxies
Published 20-02-2012“…We use the Mitchell Spectrograph (formerly VIRUS-P) on the McDonald Observatory 2.7m Harlan J. Smith Telescope to search for the chemical signatures of massive…”
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