A SUPERNOVA REMNANT ASSOCIATED WITH THE YOUNG GAMMA-RAY PULSAR PSR1706-44

被引：49
|
作者：
MCADAM, WB [1 ]
OSBORNE, JL [1 ]
PARKINSON, ML [1 ]
机构：
[1] UNIV DURHAM,DEPT PHYS,DURHAM DH1 3LE,ENGLAND
来源：
NATURE | 1993年 / 361卷 / 6412期
关键词：
D O I：
10.1038/361516a0
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：
THE Energetic Gamma Ray Experiment Telescope (EGRET) on the Compton Gamma Ray Observatory satellite recently detected1 pulsed gamma-radiation from the radio pulsar PSR1706-44; this is only the fourth radio pulsar to be identified as a gamma-ray source. The other three (Vela, the Crab and PSR1509-58) are all associated with supernova remnants (SNRs), whereas very few-perhaps four-of the remaining 500 or so galactic radio pulsars have convincing associations with SNRs2. We have mapped the field around PSR1706-44 at 843 M Hz with a resolution of 44 arcsec using the Molonglo Observatory Synthesis Telescope, and have identified a shell-type SNR at a distance of about 3 kpc-consistent with the distance deduced for the pulsar. The pulsar is seen as a slightly variable point source, located in an enhanced knot on the arc of the SNR shell.
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页码：516 / 518
页数：3
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