Search Results - "Davies, I R"
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A method to remove residual OH emission from near-infrared spectra
Published in Monthly notices of the Royal Astronomical Society (01-03-2007)“…I present a technique to remove the residual OH airglow emission from near-infrared spectra. Historically, the need to subtract out the strong and variable OH…”
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The Impact of Cold Gas Accretion Above a Mass Floor on Galaxy Scaling Relations
Published in The Astrophysical journal (01-08-2010)“…Using the cosmological baryonic accretion rate and normal star formation (SF) efficiencies, we present a very simple model for star-forming galaxies that…”
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3
Spatially resolved rotation of the broad-line region of a quasar at sub-parsec scale
Published in Nature (London) (01-11-2018)“…The broadening of atomic emission lines by high-velocity motion of gas near accreting supermassive black holes is an observational hallmark of quasars 1 …”
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Rotation Curves in z ∼ 1-2 Star-forming Disks: Evidence for Cored Dark Matter Distributions
Published in The Astrophysical journal (01-10-2020)“…We report high-quality, H or CO rotation curves (RCs) to several Re for 41 large, massive, star-forming disk galaxies (SFGs) across the peak of cosmic galaxy…”
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A Close Look at Star Formation around Active Galactic Nuclei
Published in The Astrophysical journal (20-12-2007)“…We analyze star formation in the nuclei of nine Seyfert galaxies at spatial resolutions down to 0.085", corresponding to length scales of order 10 pc in most…”
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Outflows from Active Galactic Nuclei: Kinematics of the Narrow-line and Coronal-line Regions in Seyfert Galaxies
Published in The Astrophysical journal (01-10-2011)“…As part of an extensive study of the physical properties of active galactic nuclei (AGNs) we report high spatial resolution near-IR integral-field spectroscopy…”
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Kiloparsec Scale Properties of Star Formation Driven Outflows at z ∼ 2.3 in the SINS/zC-SINF AO Survey
Published in The Astrophysical journal (10-03-2019)“…Abstract We investigate the relationship between star formation activity and outflow properties on kiloparsec scales in a sample of 28 star-forming galaxies at…”
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Two separate outflows in the dual supermassive black hole system NGC 6240
Published in Nature (London) (01-04-2018)“…Theoretical models and numerical simulations have established a framework of galaxy evolution in which galaxies merge and create dual supermassive black holes…”
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The multiphase gas structure and kinematics in the circumnuclear region of NGC 5728
Published in Monthly notices of the Royal Astronomical Society (01-12-2019)“…ABSTRACT We report on our combined analysis of HST, VLT/MUSE, VLT/SINFONI, and ALMA observations of the local Seyfert 2 galaxy, NGC 5728 to investigate in…”
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FUELING ACTIVE GALACTIC NUCLEI. II. SPATIALLY RESOLVED MOLECULAR INFLOWS AND OUTFLOWS
Published in The Astrophysical journal (10-09-2014)“…We analyze the two-dimensional distribution and kinematics of the stars as well as molecular and ionized gas in the central few hundred parsecs of five active…”
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Rotation Curves in z ∼ 1–2 Star-forming Disks: Comparison of Dark Matter Fractions and Disk Properties for Different Fitting Methods
Published in The Astrophysical journal (01-12-2021)“…Abstract We present a follow-up analysis examining the dynamics and structures of 41 massive, large star-forming galaxies at z ∼ 0.67 − 2.45 using both ionized…”
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RC100: Rotation Curves of 100 Massive Star-forming Galaxies at z = 0.6–2.5 Reveal Little Dark Matter on Galactic Scales
Published in The Astrophysical journal (01-02-2023)“…Abstract We analyze H α or CO rotation curves extending out to several galaxy effective radii for 100 massive, large, star-forming disk galaxies (SFGs) across…”
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FUELING ACTIVE GALACTIC NUCLEI. I. HOW THE GLOBAL CHARACTERISTICS OF THE CENTRAL KILOPARSEC OF SEYFERTS DIFFER FROM QUIESCENT GALAXIES
Published in The Astrophysical journal (10-05-2013)“…In a matched sample of Seyfert and quiescent galaxies we simultaneously probe the stellar and molecular gas kinematics from 1 kpc down to 50 pc with the aim of…”
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The Role of Molecular Gas in Obscuring Seyfert Active Galactic Nuclei
Published in The Astrophysical journal (01-05-2009)“…In a sample of local active galactic nuclei (AGNs) studied at a spatial resolution on the order of 10 pc, we show that the interstellar medium traced by the…”
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Constraints on the broad-line region properties and extinction in local Seyferts
Published in Monthly notices of the Royal Astronomical Society (11-11-2016)“…We use high-spectral resolution (R > 8000) data covering 3800–13 000 Å to study the physical conditions of the broad-line region (BLR) of nine nearby Seyfert 1…”
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Evidence for Large-scale, Rapid Gas Inflows in z ∼ 2 Star-forming Disks
Published in The Astrophysical journal (01-11-2023)“…Abstract We report high-quality H α /CO imaging spectroscopy of nine massive (log median stellar mass = 10.65 M ⊙ ) disk galaxies on the star-forming main…”
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An ∼600 pc View of the Strongly Lensed, Massive Main-sequence Galaxy J0901: A Baryon-dominated, Thick Turbulent Rotating Disk with a Clumpy Cold Gas Ring at z = 2.259
Published in The Astrophysical journal (01-01-2023)“…Abstract We present a high-resolution kinematic study of the massive main-sequence star-forming galaxy (SFG) SDSS J090122.37+181432.3 (J0901) at z = 2.259,…”
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Do black hole masses scale with classical bulge luminosities only? The case of the two composite pseudo-bulge galaxies NGC 3368 and NGC 3489
Published in Monthly notices of the Royal Astronomical Society (01-04-2010)“…It is now well established that all galaxies with a massive bulge component harbour a central supermassive black hole (SMBH). The mass of the SMBH correlates…”
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The Star-forming Torus and Stellar Dynamical Black Hole Mass in the Seyfert 1 Nucleus of NGC 3227
Published in The Astrophysical journal (01-08-2006)“…We report R 6 4300 VLT SINFONI adaptive optics integral field K-band spectroscopy of the nucleus of the Seyfert 1 galaxy NGC 3227 at a spatial resolution of…”
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The Central Parsecs of Centaurus A: High-excitation Gas, a Molecular Disk, and the Mass of the Black Hole
Published in The Astrophysical journal (20-12-2007)“…We present two-dimensional gas-kinematic maps of the central region in Centaurus A. The adaptive optics (AO) assisted SINFONI data from the VLT have a…”
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