473 datasets found

Keywords: radio continuum emission

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  • Deep 15GHz survey (9C continued)

    The 9C survey of radio sources with the Ryle Telescope at 15.2GHz was set up to survey the fields of the cosmic microwave background telescope, the Very Small Array. In our...
  • Galactic Center 6 and 20cm survey

    We have used the VLA to survey 10 fields at 20 cm (1658MHz) and 11 fields at 6 cm (5GHz) that are between 7' and 137' from SgrA. Our objective was to identify extragalactic...
  • Galactic HII regions velocity gradients

    We investigate the kinematic properties of Galactic HII regions using radio recombination line (RRL) emission detected by the Australia Telescope Compact Array at 4-10GHz and...
  • Planetary nebulae with LOFAR 120-168MHz obs.

    We present observations of planetary nebulae with the LOw Frequency ARray (LOFAR) between 120 and 168MHz. The images show thermal free-free emission from the nebular shells. We...
  • Radio follow-up to 4FGL-DR2 unassociated sources

    For the duration of the Fermi Gamma-Ray Space Telescope's mission, approximately one-third of the point sources detected have been noted as "unassociated," meaning that they...
  • Radio follow-up on 3FGL unassociated sources

    The third Fermi Large Area Telescope {gamma}-ray source catalog (3FGL) contains over 1000 objects for which there is no known counterpart at other wavelengths. The physical...
  • GRB 160509A VLA monitoring campaign results

    We present the second multi-frequency radio detection of a reverse shock in a {gamma}-ray burst. By combining our extensive radio observations of the Fermi-Large Area Telescope...
  • Radio obs. of NGC 6251 jet

    The structure of the NGC 6251 jet on the milliarcsecond scale is investigated using images taken with the European VLBI Network and the Very Long Baseline Array. We detect a...
  • Ultra-compact HII regions & methanol masers. I.

    We conducted Very Large Array C-configuration observations to measure positions and luminosities of Galactic Class II 6.7GHz methanol masers and their associated ultra-compact...
  • Radio sources in the NCP region with the 21CMA

    We present a catalog of 624 radio sources detected around the North Celestial Pole (NCP) with the 21 Centimeter Array (21CMA), a radio interferometer dedicated to the...
  • ALMA and VLA radio continuum obs. of NGC 6334I

    We present Very Large Array and Atacama Large Millimeter/submillimeter Array imaging of the deeply embedded protostellar cluster NGC 6334I from 5cm to 1.3mm at angular...
  • 327MHz observations of 124 pulsars

    We present the measurements of scatter broadening timescales ({tau}SC) for 124 pulsars at 327MHz using the upgraded Ooty Radio Telescope (ORT). These pulsars lie in the...
  • Radio afterglow observations of GRBs

    We present a catalog of radio afterglow observations of gamma-ray bursts (GRBs) over a 14 year period from 1997 to 2011. Our sample of 304 afterglows consists of 2995 flux...
  • Variable and transient radio sources in FIRST

    A comprehensive search for variable and transient radio sources has been conducted using ~55000 snapshot images of the Faint Images of the Radio Sky at Twenty-cm survey (Cat....
  • 15GHz and jet properties of MOJAVE blazars

    We investigate the Fermi Large Area Telescope {gamma}-ray and 15GHz Very Long Baseline Array radio properties of a joint {gamma}-ray and radio-selected sample of active galactic...
  • Radio/{gamma}-ray correlation in AGN

    We present a detailed statistical analysis of the correlation between radio and gamma-ray emission of the active galactic nuclei (AGNs) detected by Fermi during its first year...
  • Chandra observations of radio transients

    We present a 50ks Chandra/ACIS-I X-ray observation of the Bower et al. (2007ApJ...666..346B) Very Large Array archival field. The observations reach a limiting sensitivity of...
  • VLA search for 5GHz radio transients

    We present the results of a 5GHz survey with the Very Large Array (VLA) and the expanded VLA, designed to search for short-lived (<~1day) transients and to characterize the...
  • 1.4GHz and X-ray sources in 12 clusters of galaxies

    Using Chandra imaging spectroscopy and Very Large Array (VLA) L-band radio maps, we have identified radio sources at P_1.4GHz_>=5x10^23^W/Hz and X-ray point sources (XPSs) at...
  • Pi GHz Sky Survey (PiGSS). II.

    We present results from daily radio continuum observations of the Bootes field as part of the Pi GHz Sky Survey (PiGSS). These results are part of a systematic and unbiased...
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