A Radio Pulsar/X-ray Binary Link

被引：455

作者：

Archibald, Anne M. ^{[1
]}

Stairs, Ingrid H. ^{[2
,3
,4
]}

Ransom, Scott M. ^{[5
]}

Kaspi, Victoria M. ^{[1
]}

Kondratiev, Vladislav I. ^{[5
,6
,7
]}

Lorimer, Duncan R. ^{[6
,8
]}

McLaughlin, Maura A. ^{[6
,8
]}

Boyles, Jason ^{[6
,8
]}

Hessels, Jason W. T. ^{[9
,10
]}

Lynch, Ryan ^{[11
]}

van Leeuwen, Joeri ^{[9
,10
]}

Roberts, Mallory S. E. ^{[12
]}

Jenet, Frederick ^{[13
]}

Champion, David J. ^{[3
]}

Rosen, Rachel ^{[8
]}

Barlow, Brad N. ^{[14
]}

Dunlap, Bart H. ^{[14
]}

Remillard, Ronald A. ^{[15
]}

机构：

[1] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[2] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[3] CSIRO, Australia Telescope Natl Facil, Epping, NSW 1710, Australia

[4] Swinburne Univ Technol, Ctr Astrophys & Super Comp, Hawthorn, Vic 3122, Australia

[5] NRAO, Charlottesville, VA 22901 USA

[6] W Virginia Univ, Dept Phys, Morgantown, WV 26506 USA

[7] PN Lebedev Phys Inst, Ctr Astro Space, Moscow 117997, Russia

[8] Natl Radio Astron Observ, Green Bank, WV 24944 USA

[9] Netherlands Inst Radio Astron, NL-7990 AA Dwingeloo, Netherlands

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

[11] Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA

[12] Eureka Sci, Oakland, CA 94602 USA

[13] Univ Texas Brownsville, Dept Phys & Astron, Brownsville, TX 78520 USA

[14] Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA

[15] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA

来源：

SCIENCE | 2009年 / 324卷 / 5933期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

SAX J1808.4-3658; MILLISECOND PULSAR; 1ST J102347.6+003841; NEUTRON-STARS; QUIESCENCE; EVOLUTION; TUCANAE; ORBIT;

D O I：

10.1126/science.1172740

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Radio pulsars with millisecond spin periods are thought to have been spun up by the transfer of matter and angular momentum from a low-mass companion star during an x-ray-emitting phase. The spin periods of the neutron stars in several such low-mass x-ray binary (LMXB) systems have been shown to be in the millisecond regime, but no radio pulsations have been detected. Here we report on detection and follow-up observations of a nearby radio millisecond pulsar (MSP) in a circular binary orbit with an optically identified companion star. Optical observations indicate that an accretion disk was present in this system within the past decade. Our optical data show no evidence that one exists today, suggesting that the radio MSP has turned on after a recent LMXB phase.

引用

页码：1411 / 1414

页数：4

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