Radio X-ray Connections in GPS Sources

Details Radio X-ray Connections in GPS Sources Radio X-ray Connections in GPS Sources

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005xrrc.proce7.23s&link_type=abstract

"X-Ray and Radio Connections (eds. L.O. Sjouwerman and K.K Dyer) Published electronically by NRAO, http://www.aoc.nrao.edu/event

Computer Science

X-Ray, Radio, Dissipation Of Jets

Scientific paper

Giga-Hertz Peaked Spectrum (GPS) radio sources are powerful radio and X-ray emitters. Their radio properties have been extensively studied over the last decade leading to two possible explanations of the compact nature of the GPS sources: (1) a frustrated source scenario in which the expansion of the radio source is confined by a dense environment; (2) an evolution scenario in which the source is at an early stage of its expansion to a typical large scale radio source. The radio emission has been studied independently of the X-ray emission mostly because of the limitations of the X-ray telescopes and until recently there were only sparse X-ray observations of GPS sources. Chandra provides the spatial resolution and effective area adequate for studying the X-ray environment of the GPS sources on sub-arcsecond scales. Although the compact GPS radio source cannot be resolved in X-rays, the X-ray spectra give constraints on the emission processes potentially related to the milliarcsecond radio structures. Here we summarize the recent Chandra observations of GPS sources and discuss the X-ray morphology and spectra and their connections to the radio emission.

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