THE JET OF 3C 17 AND THE USE OF JET CURVATURE AS A DIAGNOSTIC OF THE X-RAY EMISSION PROCESS

被引：31

作者：

Massaro, F. ^{[1
]}

Harris, D. E. ^{[1
]}

Chiaberge, M. ^{[2
,3
]}

Grandi, P. ^{[4
]}

Macchetto, F. D. ^{[2
]}

Baum, S. A.

O'Dea, C. P. ^{[5
]}

Capetti, A. ^{[6
]}

机构：

[1] Smithsonian Astrophys Observ, Cambridge, MA 02138 USA

[2] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[3] INAF, Ist Radioastron Bologna, I-40129 Bologna, Italy

[4] INAF IASF, Ist Astrofis Spaziale & Fis Cosm Bologna, I-40129 Bologna, Italy

[5] Rochester Inst Technol, Carlson Ctr Imaging Sci 76 3144, Dept Phys, Rochester, NY 14623 USA

[6] INAF, Osservatorio Astron Torino, I-10025 Pino Torinese, Italy

来源：

ASTROPHYSICAL JOURNAL | 2009年 / 696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: active; galaxies: individual (3C 17); galaxies: jets; radiation mechanisms: non-thermal; radio continuum: galaxies; X-rays: general; 2-JY RADIO-SOURCES; CHANDRA OBSERVATIONS; GALAXIES; SAMPLE; RADIATION; SPECTRA;

D O I：

10.1088/0004-637X/696/1/980

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the X-ray emission from the radio jet of 3C 17 from Chandra observations and compare the X-ray emission with radio maps from the VLA archive and with the optical-IR archival images from the Hubble Space Telescope. X-ray detections of two knots in the 3C 17 jet are found and both of these features have optical counterparts. We derive the spectral energy distribution for the knots in the jet and give source parameters required for the various X-ray emission models, finding that both inverse Compton (IC)/cosmic microwave background (CMB) and synchrotron are viable to explain the high energy emission. A curious optical feature (with no radio or X-ray counterparts) possibly associated with the 3C 17 jet is described. We also discuss the use of curved jets for the problem of identifying IC X-ray emission via scattering on CMB photons.

引用

页码：980 / 985

页数：6

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