Constraints on the spectrum of HESS J0632+057 from Fermi-LAT data

被引：6
作者：
Malyshev, D. [1 ,2 ]
Chernyakova, M. [3 ,4 ]
机构：
[1] INTEGRAL Sci Data Ctr, Chemin Ecogia 16, CH-1290 Versoix, Switzerland
[2] Univ Tubingen, Inst Astron & Astrophys Tubingen, Sand 1, D-72076 Tubingen, Germany
[3] Dublin Inst Adv Studies, 31 Fitzwilliam Pl, Dublin 2, Ireland
[4] Dublin City Univ, Sch Phys Sci, Dublin 9, Ireland
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2016年 / 463卷 / 03期
关键词：
gamma-rays:; general; GAMMA-RAY BINARY; LARGE-AREA TELESCOPE; PULSAR WIND NEBULA; TEV BINARY; EMISSION; VARIABILITY; DISCOVERY; SYSTEMS; CATALOG; MODEL;
D O I：
10.1093/mnras/stw2173
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report on the results of similar to 7.5 yr of the very high energy (10-600 GeV) observations of HESS J0632+057 with Fermi-Large Area Telescope. In the highest energy band, 200-600 GeV, the source is detected with the statistical significance greater than or similar to 4.7 sigma at orbital phases 0.2-0.4 and 0.6-0.8 at which HESS J0632+057 is known to demonstrate enhanced emission in TeV energy band. The analysis did not reveal the emission from HESS J0632+057 at lower energies and different orbital phases. Using the upper limits on source's flux, we locate the break of the spectrum to >140 GeV and low-energy slope <1.6 (3 sigma statistical significance).
引用
收藏
页码：3074 / 3077
页数：4
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