INTEGRAL discovery of a bright highly obscured galactic X-ray binary source IGR J16318-4848

被引：85

作者：

Walter, R

Rodriguez, J

Foschini, L

de Plaa, J

Corbel, S

Courvoisier, TJL

den Hartog, PR

Lebrun, F

Parmar, AN

Tomsick, JA

Ubertini, P

机构：

[1] INTEGRAL Sci Data Ctr, CH-1290 Versoix, Switzerland

[2] Observ Geneva, CH-1290 Sauverny, Switzerland

[3] CEA Saclay, DSM, DAPNIA, SAp,CNRS,FRE 2591, F-91191 Gif Sur Yvette, France

[4] IASF, CNR, Sect Bologna, I-40129 Bologna, Italy

[5] SRON, Natl Inst Space Res, NL-3584 CA Utrecht, Netherlands

[6] Univ Paris 07, Federat APC, F-91191 Gif Sur Yvette, France

[7] European Space Agcy, ESTEC, Res & Sci Support Dept, Astrophys Missions Div, NL-2200 AG Noordwijk, Netherlands

[8] Univ Calif San Diego, CASS, La Jolla, CA 92093 USA

[9] IASF, CNR, Sect Roma, Area Ric Tor Vergata, I-00133 Rome, Italy

来源：

ASTRONOMY & ASTROPHYSICS | 2003年 / 411卷 / 01期

关键词：

X-rays : individuals : IGR J16318-4848; X-rays : binaries; X-rays : diffuse background;

D O I：

10.1051/0004-6361:20031369

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

INTEGRAL regularly scans the Galactic plane to search for new objects and in particular for absorbed sources with the bulk of their emission above 10-20 keV. The first new INTEGRAL source was discovered on 2003 January 29, 0.5degrees from the Galactic plane and was further observed in the X-rays with XMM-Newton. This source, IGRJ16318-4848, is intrinsically strongly absorbed by cold matter and displays exceptionally strong fluorescence emission lines. The likely infrared/optical counterpart indicates that IGRJ16318-4848 is probably a High Mass X-Ray Binary neutron star or black hole enshrouded in a Compton thick environment. Strongly absorbed sources, not detected in previous surveys, could contribute significantly to the Galactic hard X-ray background between 10 and 200 keV.

引用

页码：L427 / L432

页数：6

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[1] ABUNDANCES OF THE ELEMENTS - METEORITIC AND SOLAR [J].