Completing the 3CR Chandra Snapshot Survey: Extragalactic Radio Sources at High Redshift

被引：16

作者：

Jimenez-Gallardo, A. ^{[1
,2
,3
]}

Massaro, F. ^{[1
,2
,3
,4
]}

Prieto, M. A. ^{[5
,6
]}

Missaglia, V. ^{[1
,2
,3
]}

Stuardi, C. ^{[7
,8
]}

Paggi, A. ^{[1
,2
,3
]}

Ricci, F. ^{[9
,10
]}

Kraft, R. P. ^{[11
]}

Liuzzo, E. ^{[8
]}

Tremblay, G. R. ^{[11
]}

Baum, S. A. ^{[12
,13
]}

O'Dea, C. P. ^{[14
]}

Wilkes, B. J. ^{[11
]}

Kuraszkiewicz, J. ^{[11
]}

Forman, W. R. ^{[11
]}

Harris, D. E. ^{[11
]}

机构：

[1] Univ Torino, Dipartimento Fis, Via Pietro Giuria 1, I-10125 Turin, Italy

[2] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy

[3] INAF Osserv Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy

[4] Consorzio Interuniv Fis Spaziale, Via Pietro Giuria 1, I-10125 Turin, Italy

[5] Univ La Laguna, Dept Astrofis, Tenerife 38206, Spain

[6] Inst Astrofis Canarias IAC, Tenerife 38200, Spain

[7] Univ Bologna, ADipartimento Fis & Astron, Via Piero Gobetti 93-2, I-40129 Bologna, Italy

[8] INAF, Ist Radioastron, Via Gobetti 101, I-40129 Bologna, Italy

[9] Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Casilla 306, Santiago 22, Chile

[10] Pontificia Univ Catolica Chile, Fac Fis, Centro Astroingn, Casilla 306, Santiago 22, Chile

[11] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[12] Univ Manitoba, Dept Phys & Astron, Winnipeg, MB R3T 2N2, Canada

[13] Rochester Inst Technol, Ctr Imaging Sci, 84 Lomb Mem Dr, Rochester, NY 14623 USA

[14] Rochester Inst Technol, Sch Phys & Astron, 84 Lomb Mem Dr, Rochester, NY 14623 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2020年 / 250卷 / 01期

基金：

美国国家科学基金会; 美国国家航空航天局; 加拿大自然科学与工程研究理事会;

关键词：

Active galactic nuclei; Active galaxies; High energy astrophysics; Radio active galactic nuclei; X-ray active galactic nuclei; Radio sources; X-RAY-EMISSION; 2 JY SAMPLE; OPTICAL IDENTIFICATIONS; STEEP-SPECTRUM; ACCRETION MODE; ACTIVE NUCLEI; FR-I; MU-M; GALAXIES; QUASARS;

D O I：

10.3847/1538-4365/aba5a0

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the analysis of nine radio sources belonging to the Third Cambridge Revised catalog (3CR) observed with Chandra during Cycle 20 in the redshift range between 1.5 and 2.5. This study completes the 3CR Chandra Snapshot Survey thus guaranteeing the X-ray coverage of all 3CR sources identified to date. This sample lists two compact steep spectrum sources, four radio galaxies, and three quasars. We detected X-ray emission from all nuclei, with the only exception of 3C 326.1 and 3C 454.1 and from radio lobes in six out of nine sources at a level of confidence larger than similar to 5 sigma. We measured X-ray fluxes and luminosities for all nuclei and lobes in the soft (0.5-1 keV), medium (1-2 keV), and hard (2-7 keV) X-ray bands. Since the discovered X-ray extended emission is spatially coincident with the radio structure in all cases, its origin could be due to inverse Compton (IC) scattering of the cosmic microwave background (CMB) occurring in radio lobes.

引用

页数：11

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