New X-ray and radio observations of the galaxy cluster A2319

Details New X-ray and radio observations of the galaxy cluster A2319 New X-ray and radio observations of the galaxy cluster A2319

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...214l..57g&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 214, June 1, 1977, p. L57-L60. Research supported by the Nederlandse

Astronomy and Astrophysics

Astronomy

23

Galactic Clusters, Position Errors, Radio Astronomy, X Ray Astronomy, Astronomical Netherlands Satellite, Error Analysis, Spaceborne Astronomy, Uhuru Satellite

Scientific paper

A significantly improved position for the X-ray source 3U 1921 + 43 has been obtained by ANS and Uhuru. The combined ANS-Uhuru error box is only about 7 by 7 arcmin and is centered on the cD galaxy in the Abell 2319 cluster of galaxies. Radio observations of this cluster indicate that the emission at 610 MHz includes several discrete sources and a weak extended component. This strengthens the general association between extended radio halos and X-ray emission from clusters of galaxies. The radio halo fills the X-ray error box and is consistent with the limits reported for the angular size of the X-ray source

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