Q0906+6930: The highest redshift blazar

被引：76

作者：

Romani, RW

Sowards-Emmerd, D

Greenhill, L

Michelson, P

机构：

[1] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[2] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA

来源：

ASTROPHYSICAL JOURNAL | 2004年 / 610卷 / 01期

基金：

美国国家科学基金会; 美国国家航空航天局;

关键词：

galaxies : jets; quasars : general;

D O I：

10.1086/423201

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the discovery of a radio-loud flat-spectrum QSO at z = 5.47 with properties similar to those of the EGRET gamma-ray blazars. This source is the brightest radio QSO at z > 5, with a parsec-scale radio jet and a black hole mass estimate greater than or similar to 10(10) M-.. It appears to be the most distant blazar discovered to date. High-energy observations of this source can provide powerful probes of the background radiation in the early universe.

引用

页码：L9 / L11

页数：3

共 15 条

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

Cheung, CC .

ASTROPHYSICAL JOURNAL, 2004, 600 (01) :L23-L26

[2] Multiepoch multiwavelength spectra and models for blazar 3C 279 [J].

Hartman, RC ;

Böttcher, M ;

Aldering, G ;

Aller, H ;

Aller, M ;

Backman, DE ;

Balonek, TJ ;

Bertsch, DL ;

Bloom, SD ;

Bock, H ;

Boltwood, P ;

Carini, MT ;

Collmar, W ;

De Francesco, G ;

Ferrara, EC ;

Freudling, W ;

Gear, WK ;

Hall, PB ;

Heidt, J ;

Hughes, P ;

Hunter, SD ;

Jogee, S ;

Johnson, WN ;

Kanbach, G ;

Katajainen, S ;

Kidger, M ;

Kii, T ;

Koskimies, M ;

Kraus, A ;

Kubo, H ;

Kurtanidze, O ;

Lanteri, L ;

Lawson, A ;

Lin, YC ;

Lisenfeld, U ;

Madejski, G ;

Makino, F ;

Maraschi, L ;

Marscher, AP ;

McFarland, JP ;

McHardy, I ;

Miller, HR ;

Nikolashvili, M ;

Nilsson, K ;

Noble, JC ;

Nucciarelli, G ;

Ostorero, L ;

Pian, E ;

Pursimo, T ;

Raiteri, CM .

ASTROPHYSICAL JOURNAL, 2001, 553 (02) :683-694

[3] The Hobby-Eberly Telescope Low Resolution Spectrograph [J].

Hill, GJ ;

Nicklas, H ;

MacQueen, PJ ;

de V, CT ;

Cobos, FJ ;

Mitsch, W .

OPTICAL ASTRONOMICAL INSTRUMENTATION, PTS 1 AND 2, 1998, 3355 :375-386

[4] Multiwavelength observations of strong flares from the TeV blazar 1ES 1959+650 [J].

Krawczynski, H ;

Hughes, SB ;

Horan, D ;

Aharonian, F ;

Aller, MF ;

Aller, H ;

Boltwood, P ;

Buckley, J ;

Coppi, P ;

Fossati, G ;

Götting, N ;

Holder, J ;

Horns, D ;

Kurtanidze, OM ;

Marscher, AP ;

Nikolashvili, M ;

Remillard, RA ;

Sadun, A ;

Schröder, M .

ASTROPHYSICAL JOURNAL, 2004, 601 (01) :151-164

[5] The Deep X-ray Radio Blazar Survey (DXRBS) - II. New identifications [J].

Landt, H ;

Padovani, P ;

Perlman, ES ;

Giommi, P ;

Bignall, H ;

Tzioumis, A .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2001, 323 (03) :757-784

[6] Constraints on the extragalactic background light from gamma-ray observations of high-redshift quasars [J].

Madau, P ;

Phinney, ES .

ASTROPHYSICAL JOURNAL, 1996, 456 (01) :124-131

[7] The Cosmic Lens All-Sky Survey - I. Source selection and observations [J].

Myers, ST ;

Jackson, NJ ;

Browne, IWA ;

de Bruyn, AG ;

Pearson, TJ ;

Readhead, ACS ;

Wilkinson, PN ;

Biggs, AD ;

Blandford, RD ;

Fassnacht, CD ;

Koopmans, LVE ;

Marlow, DR ;

McKean, JP ;

Norbury, MA ;

Phillips, PM ;

Rusin, D ;

Shepherd, MC ;

Sykes, CM .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2003, 341 (01) :1-12

[8] The early performance and present status of the Hobby-Eberly telescope [J].

Ramsey, LW ;

Adams, MT ;

Barnes, TG ;

Booth, JA ;

Cornell, ME ;

Fowler, JR ;

Gaffney, N ;

Glaspey, JW ;

Good, J ;

Hill, GJ ;

Kelton, PW ;

Krabbendam, VL ;

Long, L ;

MacQueen, PJ ;

Ray, FB ;

Ricklefs, RL ;

Sage, J ;

Sebring, TA ;

Spiesman, WJ ;

Steiner, M .

ADVANCED TECHNOLOGY OPTICAL/IR TELESCOPES VI, 1998, 3352 :34-42

[9] A Chandra search for X-ray jets in z ≈ 6 quasars [J].

Schwartz, DA .

ASTROPHYSICAL JOURNAL, 2002, 571 (02) :L71-L75

[10] X-ray jets as cosmic beacons [J].

Schwartz, DA .

ASTROPHYSICAL JOURNAL, 2002, 569 (01) :L23-L26

← 1 2 →