Astronomy and Astrophysics – Astronomy
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.3015s&link_type=abstract
American Astronomical Society Meeting 206, #30.15; Bulletin of the American Astronomical Society, Vol. 37, p.476
Astronomy and Astrophysics
Astronomy
Scientific paper
We report on the Chandra observations of the large scale jet in 4C 20.24 (= PKS B1055+201). This is one of the longest X-ray jets seen in a quasar, extending 23 arcsec from the quasar core. This corresponds to 190 kpc in the plane of the sky, for the redshift z=1.11 of the quasar. The jet luminosity in X-rays is about 2.5 x 1044 erg s-1, about 2 percent of the core X-ray luminosity. The arcsec scale X-ray and 1.46 GHz jets initially follow the direction of the VLBA jet emanating N from the 0.2 mas core, but then curve to the NNW through a total change in angle of about 45 degrees. This system is unique in that we clearly observe a broader region of X-ray emission enclosing both the jet to the North, and an unseen counter jet to the South!
Work at MIT was supported under SAO grant GO4-5124 and SAO contract SV3-73016 for the Chandra X-ray Center, operated by SAO under NASA contract NAS8-03060. Work at SAO was supported by NASA contract NAS8-39073 to the Chandra X-ray Center, and CXC grant GO5-6116B.
Bicknell Geoff
Birkinshaw Mark
Gelbord Jonathan
Georganopoulos Markos
Godfrey L.
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