Multi-wavelength study of the MGRO J2019+37

MGRO J2019+37 within the Cygnus region is a bright and extended source revealed by Milagro at 12-35 TeV. This source is almost as bright as Crab Nebula in northern sky, while it is not confirmed by ARGO-YBJ around TeV. Up to now, no obvious counterpart at low energy wavelengths has been found. Hence...

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Bibliographic Details
Published in:arXiv.org 2014-03
Main Authors: Hou, Chao, Chen, Songzhan, Yuan, Qiang, Cao, Zhen, He, Huihai, Sheng, Xiangdong
Format: Article
Language:English
Subjects:
Crab nebula
Emission
Gamma rays
Northern sky
Wavelengths
XMM (spacecraft)
Online Access:Get full text
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Summary:MGRO J2019+37 within the Cygnus region is a bright and extended source revealed by Milagro at 12-35 TeV. This source is almost as bright as Crab Nebula in northern sky, while it is not confirmed by ARGO-YBJ around TeV. Up to now, no obvious counterpart at low energy wavelengths has been found. Hence, MGRO J2019+37 becomes mysterious and its VHE gamma-ray emission mechanism is attractive. In this paper, a brief summary of the multi-wavelength observations from Radio to gamma-ray is presented. All the available data from the XMM-Newton and INTEGRAL at X-ray, and the Fermi-LAT at gamma-ray bands were used to get constraint on its emission flux at low energy wavelengths. Then, its possible counterparts and the VHE emission mechanism are discussed.
ISSN:2331-8422
DOI:10.48550/arxiv.1403.6338