Long-term activity of the bursting X-ray pulsar GRO J1744-28 from Konus-Wind and Konus-A observations

被引：0

作者：

Aptekar, RL ^{[1
]}

Butterworth, PS ^{[1
]}

Golenetskii, SV ^{[1
]}

Ilinskii, VN ^{[1
]}

Cline, TL ^{[1
]}

Mazets, EP ^{[1
]}

Stilwell, DE ^{[1
]}

Terekhov, MM ^{[1
]}

Frederiks, DD ^{[1
]}

机构：

[1] NASA,GODDARD SPACE FLIGHT CTR,GREENBELT,MD 20771

来源：

ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS | 1997年 / 23卷 / 02期

关键词：

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Konus-Wind and Konus-A observations of hard X-ray bursts from the source GRO J1744-28 are reported. The mean characteristics of the burst time profiles and energy spectra were obtained. The mean burst intensity rapidly rises, reaches its maximum on January 20, 1996, and then begins to decline. The observed burst rate was corrected for missing weak events. The mean time interval between bursts, (T) over bar = 29.6 min and sigma = 9.7 min, was found to be constant for the entire long period of observations. The time intervals between bursts are shown to constitute a random Markov sequence. The correlation coefficient for two successive intervals is rho = -0.13 +/- 0.03. A positive correlation of the burst intensity with the next interval and a negative correlation with the previous interval were revealed.

引用

页码：147 / 154

页数：8

共 50 条

[1] Hard X-Ray Bursts From GRO J1744-28. I. Observations by the Konus-Wind and Konus-A Experiments
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