========================================================================== J/A+A/482/247 Radio detections of 3G sources (Paredes+, 2008) The following files can be converted to FITS (extension .fit .fgz or .fiZ) table4.dat ========================================================================== Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/A+A/482/247 ==========================================================================
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Beginning of ReadMe : J/A+A/482/247 Radio detections of 3G sources (Paredes+, 2008) ================================================================================ Radio detections towards unidentified variable EGRET sources. Paredes J.M., Marti J., Ishwara-Chandra C.H., Torres D.F., Romero G.E., Combi J.A., Bosch-Ramon V., Munoz-Arjonilla A.J., Sanchez-Sutil J.R. <Astron. Astrophys. 482, 247 (2008)> =2008A&A...482..247P ================================================================================ ADC_Keywords: Gamma rays ; Radio sources ; Morphology Keywords: radio continuum: stars - gamma rays: observations - X-rays: binaries Abstract: A considerable fraction of the gamma-ray sources discovered with the Energetic Gamma-Ray Experiment Telescope (EGRET) remain unidentified. The EGRET sources that have been properly identified are either pulsars or variable sources at both radio and gamma-ray wavelengths. Most of the variable sources are strong radio blazars. However, some low galactic-latitude EGRET sources, with highly variable gamma-ray emission, lack any evident counterpart according to the radio data available until now. The primary goal of this paper is to identify and characterise the potential radio counterparts of four highly variable gamma-ray sources in the galactic plane through mapping the radio surroundings of the EGRET confidence contours and determining the variable radio sources in the field whenever possible. We have carried out a radio exploration of the fields of the selected EGRET sources using the Giant Metrewave Radio Telescope (GMRT) interferometer at 21 cm wavelength, with pointings being separated by months. Description: This table contains information about all radio sources detected with the Giant Metrewave Radio Telescope (GMRT) of the National Centre for Radio Astrophysics (NCRA) in Khodad (India) towards unidentified variable EGRET sources. The observations were carried out at 1.4 GHz (21 cm wavelength) during February 23 and April 19, 2005. The observed fields, each about one square deg, were those corresponding to the EGRET sources 3EG J1735-1500, 3EG J1746-1001, 3EG J1810-1032 and 3EG J1904-1124. Values given were determined by fitting sources with elliptical Gaussians. Uncertainties first quoted for the peak and integrated flux density are based on the formal errors of the fit and allow the reliability of the detection to be judged. However, they do not contain the error contribution due to primary beam correction as a function of angular distance to the phase centre. An estimate of the combined error, including primary beam correction, is separately given. A variability index has been also computed but no value is shown when an unrealiable result is suspected (see paper for details).