伽玛暴(Gamma-Ray Burst)笔记。记录有关伽玛暴的新文章,另外也包括看的老文章、自己的想法、以及跟天文相关的一些东西。 Feel free to leave me a message by comments or by email.

星期日, 六月 07, 2009

Band 2009 Fermi LAT在伽玛暴上的前景

主要内容:
又一篇关于仪器的review, 不过更关注于伽玛暴而不是仪器本身. 包含了GBM-LAT联合谱分析的模拟(没有对真的暴的内容).

精彩摘抄:

From pictures
模拟的对伽玛暴的观测.


文章信息:
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· arXiv e-print (arXiv:0906.0991)
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Title:
Prospects for GRB Science with the Fermi Large Area Telescope
Authors:
Band, D. L.; Axelsson, M.; Baldini, L.; Barbiellini, G.; Baring, M. G.; Bastieri, D.; Battelino, M.; Bellazzini, R.; Bissaldi, E.; Bogaert, G.; Bonnel, J.; Chiang, J.; Cohen-Tanugi, J.; Connaughton, V.; Cutini, S.; de Palma, F.; Dingus, B. L.; Silva, E. do Couto e; Fishman, G.; Galli, A.; Gehrels, N.; Giglietto, N.; Granot, J.; Guiriec, S.; Hughes, R. E.; Kamae, T.; Komin, N.; Kuehn, F.; Kuss, M.; Longo, F.; Lubrano, P.; Kippen, R. M.; Mazziotta, M. N.; McEnery, J. E.; McGlynn, S.; Moretti, E.; Nakamori, T.; Norris, J. P.; Ohno, M.; Olivo, M.; Omodei, N.; Pelassa, V.; Piron, F.; Preece, R.; Razzano, M.; Russell, J. J.; Ryde, F.; Saz Parkinson, P. M.; Scargle, J. D.; Sgrò, C.; Shimokawabe, T.; Smith, P. D.; Spandre, G.; Spinelli, P.; Stamatikos, M.; Winer, B. L.; Yamazaki, R.
Publication:
eprint arXiv:0906.0991
Publication Date:
06/2009
Origin:
ARXIV
Keywords:
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Instrumentation and Methods for Astrophysics
Comment:
Accepted by ApJ
Bibliographic Code:
2009arXiv0906.0991B

Abstract

The LAT instrument on the Fermi mission will reveal the rich spectral and temporal gamma-ray burst phenomena in the > 100 MeV band. The synergy with Fermi's GBM detectors will link these observations to those in the well explored 10-1000 keV range; the addition of the > 100 MeV band observations will resolve theoretical uncertainties about burst emission in both the prompt and afterglow phases. Trigger algorithms will be applied to the LAT data both onboard the spacecraft and on the ground. The sensitivity of these triggers will differ because of the available computing resources onboard and on the ground. Here we present the LAT's burst detection methodologies and the instrument's GRB capabilities.

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