AFTERGLOWS FROM GAMMA-RAY BURSTERS - A WAY TO ESTIMATE THE BURSTER DISTANCE SCALE

被引：3

作者：

FENCL, HS

BOYD, RN

HARTMANN, DH

机构：

[1] OHIO STATE UNIV,DEPT ASTRON,COLUMBUS,OH 43210

[2] CLEMSON UNIV,KINARD LAB PHYS,DEPT PHYS & ASTRON,CLEMSON,SC 29634

来源：

ASTROPHYSICAL JOURNAL | 1993年 / 407卷 / 01期

关键词：

GAMMA-RAYS; BURSTS; RADIATION MECHANISMS; MISCELLANEOUS;

D O I：

10.1086/186796

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the strength of secondary gamma-ray signals that could be produced by positron annihilation in a medium surrounding a gamma-ray burster. We predict that such signals should be observable for a fairly wide range of conditions of this medium for bursts at both Galactic and cosmological distances. Furthermore, the time behavior of such signals together with the redshift measurement could be used to determine the distance scale to bursters.

引用

页码：L21 / L24

页数：4

共 25 条

[1] ANNIHILATION OF GALACTIC POSITRONS [J].