X-Ray Jets at High Redshifts

Details X-Ray Jets at High Redshifts X-Ray Jets at High Redshifts

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...203.9208s&link_type=abstract

American Astronomical Society Meeting 203, #92.08; Bulletin of the American Astronomical Society, Vol. 35, p.1355

Astronomy and Astrophysics

Astronomy

Scientific paper

It has been pointed out that if the X-ray emission observed from radio jets in AGN arises from inverse Compton scattering on the cosmic microwave background, then intrinsically similar objects will have the same surface brightness at arbitrarily larger redshifts. This leads to the conclusion that we should see X-ray jets with extremely weak GHz radio emission, and cases where the X-ray jet emission dominates the X-ray emission from the quasar/AGN nucleus. The radio quiet system CXOMP J084128.2+131106 at z=1.866, and the radio quasar GB2 J1713+2148 at z=4.011 respectively illustrate the two cases. Estimates of the surface density of such jets at z > 4 depends strongly on the evolution of activity; therefore, observations can provide useful constraints.
This work was supported in part by NASA contract NAS8-39073 to the Chandra X-ray Center, and by SAO Grant G02-3151C.

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