Delayed Flashes from Counterjets of Gamma-Ray Bursts
The Astrophysical Journal Volume 591 Issue 1
Page 283-287
published_at 2003-07
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| File | |
| Title ( eng ) |
Delayed Flashes from Counterjets of Gamma-Ray Bursts
|
| Creator |
Yamazaki Ryo
Ioka Kunihito
Nakamura Takashi
|
| Source Title |
The Astrophysical Journal
|
| Volume | 591 |
| Issue | 1 |
| Start Page | 283 |
| End Page | 287 |
| Abstract |
If X-ray flashes are due to the forward-jet emissions from gamma-ray bursts (GRBs) observed at large viewing angles, we show that a prompt emission from a counterjet should be observed as a "delayed flash" in the UV or optical band several hours to a day after the X-ray flash. The Ultraviolet and Optical Telescope on Swift can observe the delayed flashes within ∼13 Mpc, so that (double-sided) jets of GRBs can be directly confirmed. Since the event rate of delayed flashes detected by Swift may be as small as ∼6 × 10-5 events yr-1, we require more sensitive detectors in future experiments.
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| Keywords |
gamma rays
bursts
Theory
|
| NDC |
Astronomy. Space sciences [ 440 ]
|
| Language |
eng
|
| Resource Type | journal article |
| Publisher |
Chicago University Press
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| Date of Issued | 2003-07 |
| Rights |
Copyright (c) 2003 The American Astronomical Society
|
| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0004-637X
[DOI] 10.1086/375261
[DOI] http://dx.doi.org/10.1086/375261
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