XMM-Newton results on the ultracompact low mass X-ray binary 4U 1850-087 in the globular cluster NGC 6712

被引：0

作者：

Sidoli, L ^{[1
]}

Parmar, AN ^{[1
]}

Oosterbroek, T ^{[1
]}

机构：

[1] IASF Milano, Milan, Italy

来源：

PROCEEDINGS OF THE 5TH INTEGRAL WORKSHOP ON THE INTEGRAL UNIVERSE | 2004年 / 552卷

关键词：

X-rays; X-ray binaries; individual : 4U 1850-087;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on preliminary results from our XMM-Newton observation of the Low Mass X-ray Binary 4U 1850-087, located in the galactic globular cluster NGC 6712. It is an ultracompact binary system, with an orbital period of 20.6 min. In previous low-resolution X-ray observations 4U 1850-087 displayed a soft excess residual around 0.7 keV, possibly indicative of the presence of a high Ne/O ratio, as already found in other three ultracompact LMXBs containing a neutron star (4U 0614+091, 4U 0918-549, and 4U 1543-624). We discuss here our preliminary analysis of high resolution X-ray spectra of 4U 1850-087, and timing results.

引用

页码：389 / 390

页数：2

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