2004ApJ...600L..23C

Query : 2004ApJ...600L..23C

2004ApJ...600L..23C - Astrophys. J., 600, L23-L26 (2004/January-1)

Radio identification of the X-ray jet in the z=4.3 quasar GB 1508+5714.

CHEUNG C.C.

Abstract (from CDS):

The recent discovery of an X-ray jet in the z=4.3 quasar GB 1508+5714 by Yuan et al. and Siemiginowska et al. prompted a search for its radio counterpart. Here, we report the successful discovery of faint radio emission from the jet at 1.4 GHz using archival Very Large Array data. The X-ray emission is best interpreted as inverse Compton (IC) emission off the cosmic microwave background (CMB) as discussed by the previous investigators. In this scenario, its high X-ray-to-radio monochromatic luminosity ratio, compared to previously detected IC/CMB X-ray jets at lower redshift, is a natural consequence of its high redshift.

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

Simbad objects: 32

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Number of rows : 32
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 ICRF J072810.8+674847 Sy1 07 28 10.8959197752 +67 48 47.035805652     18.0     ~ 212 1
3 3C 207.0 Bla 08 40 47.58842599 +13 12 23.5637506   18.58 18.15 17.622   ~ 455 1
4 8C 0958+561 QSO 10 01 20.6918953728 +55 53 55.593949272   17.16 16.95     ~ 757 3
5 QSO B0957+5608B QSO 10 01 20.8375795656 +55 53 49.543053252   17.16 16.95     ~ 280 1
6 QSO J1130-1449 Bla 11 30 07.0523452128 -14 49 27.388021944   17.17 16.90 16 16.97 ~ 739 1
7 [SBA2002] PKS 1127-145 A PoG 11 30 07.6 -14 49 19           ~ 6 0
8 [SBA2002] PKS 1127-145 B PoG 11 30 08.0 -14 49 14           ~ 6 0
9 [SBA2002] PKS 1127-145 C PoG 11 30 08.3 -14 49 07           ~ 6 0
10 [LNH84] 3C 273 A PoC 12 29 06 +02 03.1           ~ 49 1
11 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
12 SDSS J130608.25+035626.3 QSO 13 06 08.259 +03 56 26.19   25.59 24.81     ~ 176 0
13 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4558 2
14 QSO B1508+572 QSO 15 10 02.92237321 +57 02 43.3759220   22.73 21.38 19.23   ~ 223 1
15 [BHL94] 3C 9 H Rad ~ ~           ~ 2 0
16 [BHL94] 3C 9 I Rad ~ ~           ~ 1 0
17 [BKS95] B PoC ~ ~           ~ 11 0
18 [SSB2003] A X ~ ~           ~ 3 0
19 [BHL94] 3C 9 J Rad ~ ~           ~ 1 0
20 [BKS95] C PoC ~ ~           ~ 9 0
21 [BKS95] D PoC ~ ~           ~ 12 0
22 [RGH85] C LeI ~ ~           ~ 9 0
23 [SML2000] WK7.8 PoG ~ ~           ~ 13 0
24 [SMT2002] 1136-135 B X ~ ~           ~ 9 0
25 [SGM2004] 1150+497 A X ~ ~           ~ 8 0
26 [SGM2004] 1150+497 B X ~ ~           ~ 9 0
27 [SMT2002] 1354+195 B X ~ ~           ~ 5 0
28 [SGM2004] 0723+679 A X ~ ~           ~ 3 0
29 [SGM2004] 0723+679 B X ~ ~           ~ 3 0
30 [SMT2002] 1354+195 A X ~ ~           ~ 6 0
31 [BHL94] 3C 9 F Rad ~ ~           ~ 1 0
32 [BHL94] 3C 9 G Rad ~ ~           ~ 1 0

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