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Chandra reveals a double-sided X-ray jet in the quasar 3C9 at z=2.012 | | A.C. Fabian
; A. Celotti
; R.M. Johnstone
; | | Date: |
29 Apr 2002 | | Journal: | Mon.Not.Roy.Astron.Soc. 338 (2003) L7 | | Subject: | astro-ph | | Affiliation: | IOA), A. Celotti (SISSA) and R.M. Johnstone (IOA | | Abstract: | A Chandra observation of the radio-loud quasar 3C9 at redshift z=2.012 has revealed extended X-ray emission coincident with the radio jet. Of particular interest is the appearance of both jet and counterjet, which argues against the X-ray emission being highly beamed. We present the properties of the jets and discuss possible scenarios for the X-ray emission, contrasting them with the single sided jet found in PKS 0637-752, which has a similar X-ray luminosity. The jet X-ray emission in 3C9 is likely to be due to either nonthermal emission from a sheath with bulk Lorentz factor less than 1.5, or thermal emission from shocked cold gas surrounding the quasar. The thermal possibility implies a high mass for the cold gas unless it is highly clumped. | | Source: | arXiv, astro-ph/0204488 | | Services: | Forum | Review | PDF | Favorites | |
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