Search Results - "Griffiths, N M"
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Low-Mach-number turbulence in interstellar gas revealed by radio polarization gradients
Published in Nature (London) (13-10-2011)“…Turbulence in the Milky Way Turbulence is a well-studied phenomenon in disciplines ranging from meteorology to cardiology, but astrophysical turbulence —…”
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Complex Faraday depth structure of active galactic nuclei as revealed by broad-band radio polarimetry
Published in Monthly notices of the Royal Astronomical Society (01-04-2012)“…We present a detailed study of the Faraday depth structure of four bright (>1 Jy), strongly polarized, unresolved radio-loud quasars. The Australia Telescope…”
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3
Distances to southern 6.7-GHz methanol masers through H i self-absorption
Published in Monthly notices of the Royal Astronomical Society (11-11-2011)“…We present the kinematic distance ambiguity resolutions of over 400 6.7-GHz methanol masers. Using the data sets of the International Galactic Plane Survey we…”
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4
The Outer Scale of Turbulence in the Magnetoionized Galactic Interstellar Medium
Published in The Astrophysical journal (10-06-2008)“…We analyze Faraday rotation and depolarization of extragalactic radio point sources in the direction of the inner Galactic plane to determine the outer scale…”
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The life cycle of the Central Molecular Zone – I. Inflow, star formation, and winds
Published in Monthly notices of the Royal Astronomical Society (01-12-2019)“…We present a study of the gas cycle and star formation history in the central 500 pc of the Milky Way, known as Central Molecular Zone (CMZ). Through…”
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Distances to southern 6.7-GHz methanol masers through Hi self-absorption
Published in Monthly notices of the Royal Astronomical Society (01-11-2011)“…ABSTRACT We present the kinematic distance ambiguity resolutions of over 400 6.7-GHz methanol masers. Using the data sets of the International Galactic Plane…”
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Comment on "Calorimetric Dark Matter Detection with Galactic Center Gas Clouds"
Published in Physical review letters (17-01-2020)Get full text
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8
Milky Way Kinematics. I. Measurements at the Subcentral Point of the Fourth Quadrant
Published in The Astrophysical journal (10-12-2007)“…We use atomic hydrogen (H I) data from the Southern Galactic Plane Survey to study the kinematics of the fourth quadrant of the Milky Way. By measuring the…”
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The 6-GHz methanol multibeam maser catalogue – I. Galactic Centre region, longitudes 345° to 6
Published in Monthly notices of the Royal Astronomical Society (2010)“…We have conducted a Galactic plane survey of methanol masers at 6668 MHz using a seven-beam receiver on the Parkes telescope. Here we present results from the…”
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A DETAILED STUDY OF THE MOLECULAR AND ATOMIC GAS TOWARD THE γ-RAY SUPERNOVA REMNANT RX J1713.7―3946: SPATIAL TeV γ-RAY AND INTERSTELLAR MEDIUM GAS CORRESPONDENCE
Published in The Astrophysical journal (10-02-2012)“…RX J1713.7-3946 is the most remarkable TeV gamma -ray supernova remnant (SNR) that emits gamma -rays in the highest energy range. We have made a new combined…”
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11
Observation of Acceleration of H i Clouds within the Fermi Bubbles
Published in The Astrophysical journal (01-01-2020)“…The ∼200 H i clouds observed to be entrained in the Fermi bubble wind show a trend of increasing maximum with Galactic latitude. We analyze previous…”
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MAGMO: coherent magnetic fields in the star-forming regions of the Carina-Sagittarius spiral arm tangent
Published in Monthly notices of the Royal Astronomical Society (01-10-2012)“…Abstract We present the pilot results of the ';MAGMO' project, targeted observations of ground-state hydroxyl masers towards sites of 6.7-GHz methanol maser…”
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13
Blowing in the Milky Way Wind: Neutral Hydrogen Clouds Tracing the Galactic Nuclear Outflow
Published in The Astrophysical journal (01-03-2018)“…We present the results of a new sensitive survey of neutral hydrogen above and below the Galactic Center with the Green Bank Telescope. The observations extend…”
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14
Rotation Measures of Extragalactic Sources behind the Southern Galactic Plane: New Insights into the Large-Scale Magnetic Field of the Inner Milky Way
Published in The Astrophysical journal (01-07-2007)“…We present new Faraday rotation measures (RMs) for 148 extragalactic radio sources behind the southern Galactic plane (253 degree less than or equal to l less…”
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15
The 6-GHz multibeam maser survey – I. Techniques
Published in Monthly notices of the Royal Astronomical Society (01-01-2009)“…A new seven-beam 6–7 GHz receiver has been built to survey the Galaxy and the Magellanic Clouds for newly forming high-mass stars that are pinpointed by strong…”
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MAGNETIC FIELD STRUCTURE OF THE LARGE MAGELLANIC CLOUD FROM FARADAY ROTATION MEASURES OF DIFFUSE POLARIZED EMISSION
Published in The Astrophysical journal (01-11-2012)“…We present a study of the magnetic field of the Large Magellanic Cloud (LMC), carried out using diffuse polarized synchrotron emission data at 1.4 GHz acquired…”
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Dust-Gas Scaling Relations and OH Abundance in the Galactic ISM
Published in The Astrophysical journal (20-07-2018)“…Observations of interstellar dust are often used as a proxy for total gas column density NH. By comparing Planck thermal dust data (Release 1.2) and new dust…”
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A Radio and Optical Polarization Study of the Magnetic Field in the Small Magellanic Cloud
Published in The Astrophysical journal (01-12-2008)“…We present a study of the magnetic field of the Small Magellanic Cloud (SMC), carried out using radio Faraday rotation and optical starlight polarization data…”
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Magnetized High Velocity Clouds in the Galactic Halo: A New Distance Constraint
Published in The Astrophysical journal (10-08-2017)“…High velocity gas that does not conform to Galactic rotation is observed throughout the Galaxy's halo. One component of this gas, H i high velocity clouds…”
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Mapping Spatial Variations of H i Turbulent Properties in the Small and Large Magellanic Cloud
Published in The Astrophysical journal (20-12-2019)“…We developed methods for mapping spatial variations of the spatial power spectrum (SPS) and structure function slopes, with the goal of connecting the…”
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