Chandra Observations of Three SDSS Quasars at z~6

Details Chandra Observations of Three SDSS Quasars at z~6 Chandra Observations of Three SDSS Quasars at z~6

2002-11-15

arxiv.org/abs/astro-ph/0211366v1

Astronomy and Astrophysics

Astrophysics

LaTeX, 2 pages, to appear in proceedings of: "Active Galactic Nuclei: from Central Engine to Host Galaxy," Meudon, July 2002 m

Scientific paper

Chandra snapshot observations of the three most distant quasars then known, at redshifts 5.82, 5.99, and 6.28, gave signficant detections even in the short, 6 -- 8 ks, observations. The X-ray to optical luminosity ratios indicate that quasars will be detectable in X-rays if they exist at even larger redshifts. The present observations hint at two exciting discoveries. An extended X-ray source 23 arcsec from SDSS1306+0356 may be a jet emitting inverse Compton radiation from the Cosmic Microwave Background. SDSS 1030+0524 does not appear to be a point source, and may be a gravitationally lensed system, or contain a small scale X-ray jet.

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