2003ApJ...598L..15S

Query : 2003ApJ...598L..15S

2003ApJ...598L..15S - Astrophys. J., 598, L15-L18 (2003/November-3)

An X-ray jet discovered by Chandra in the z=4.3 radio-selected quasar GB 1508+5714.

SIEMIGINOWSKA A., SMITH R.K., ALDCROFT T.L., SCHWARTZ D.A., PAERELS F. and PETRIC A.O.

Abstract (from CDS):

We report the Chandra discovery of an X-ray jet associated with the z=4.3 radio-loud quasar GB 1508+5714. The jet X-ray emission peaks ∼2" to the southwest of the quasar core. We present archival Hubble Space Telescope Wide Field Planetary Camera 2 data of the quasar field that show no optical emission at the location of the X-ray jet. We discuss possible emission mechanisms and give constraints to the magnetic field and energy densities for synchrotron radiation or for Compton scattering of the cosmic microwave background radiation as the jet X-ray emission process.

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Journal keyword(s): Galaxies: Jets - Galaxies: Quasars: Individual: Alphanumeric: GB 1508+5714 - X-Rays: Galaxies

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 3C 9 BLL 00 20 25.2231670656 +15 40 54.774271884   17.92 17.62     ~ 347 1
2 QSO B1508+572 QSO 15 10 02.92237321 +57 02 43.3759220   22.73 21.38 19.23   ~ 223 1

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