Initial low/hard state, multiple jet ejections and X-ray/radio correlations during the outburst of XTE J1859+226

被引：83

作者：

Brocksopp, C

Fender, RP

McCollough, M

Pooley, GG

Rupen, MP

Hjellming, RM

de la Force, CJ

Spencer, RE

Muxlow, TWB

Garrington, ST

Trushkin, S

机构：

[1] Liverpool John Moores Univ, Astrophys Res Inst, Birkenhead CH41 1LD, Merseyside, England

[2] Univ Amsterdam, Astron Inst Anton Pannekoek, NL-1098 SJ Amsterdam, Netherlands

[3] Univ Amsterdam, Ctr High Energy Astrophys, NL-1098 SJ Amsterdam, Netherlands

[4] Univ Space Res Assoc, Huntsville, AL 35812 USA

[5] Univ Cambridge, Cavendish Lab, Mullard Radio Astron Observ, Cambridge CB3 0HE, England

[6] Natl Radio Astron Observ, Socorro, NM 87801 USA

[7] Jodrell Bank Observ, Macclesfield SK11 9DL, Cheshire, England

[8] RAS, Special Astrophys Observ, Nizhnii Arkhyz 369167, Karachaevo Cher, Russia

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2002年 / 331卷 / 03期

关键词：

accretion; accretion discs; stars : individual : XTE J1859+226; X-rays : stars;

D O I：

10.1046/j.1365-8711.2002.05230.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have studied the 1999 soft X-ray transient outburst of XTE J1859+226 at radio and X-ray wavelengths. The event was characterized by strong variability in the disc, corona and jet - in particular, a number of radio flares (ejections) took place and seemed well-correlated with hard X-ray events. Apparently unusual for the canonical 'soft' X-ray transient, there was an initial period of low/hard state behaviour during the rise from quiescence but prior to the peak of the main outburst - we show that not only could this initial low/hard state be a ubiquitous feature of soft X-ray transient outbursts, but also it could be extremely important in our study of outburst mechanisms.

引用

页码：765 / 775

页数：11

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