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Related papers: Likely GeV emission from an old Supernova Remnant:…

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We first report GeV $\gamma$-ray emission from supernova remnant (SNR) G15.9+0.2 in this work. The results show that its power-law spectral index is 2.94$\pm$0.25 with a 6.47$\sigma$ significance level, and the $\gamma$-ray emission can be…

High Energy Astrophysical Phenomena · Physics 2021-10-27 Yunchuan Xiang , Zejun Jiang , Mengyao Tang

We report the likely GeV $\gamma$-ray emission from the composite supernova remnant (SNR) COMP G327.1+1.1 by analyzing $\sim$12.2 years of the \textit{Fermi} Large Area Telescope (\textit{Fermi}-LAT) Pass 8 data. We found the features of…

High Energy Astrophysical Phenomena · Physics 2021-05-19 Yunchuan Xiang , Yi Xing , Zejun Jiang

In this paper, we report the first extended GeV $\gamma$-ray emission, at a significant level of $\sim$ 8.13$\sigma$, from the region of the supernova remnant (SNR) SNR G317.3-0.2 by analyzing $\sim$ 12.2 years of Fermi Large Area Telescope…

High Energy Astrophysical Phenomena · Physics 2021-04-21 Yunchuan Xiang , Zejun Jiang , Yunyong Tang

A new $\gamma$-ray source with a significance level of approximately 5$\sigma$ was reported in the region of SNR G272.2-3.2, analysing the approximately 12.4 years of observation data from the Fermi Large Area Telescope (Fermi-LAT). Its…

High Energy Astrophysical Phenomena · Physics 2021-09-08 Yun-Chuan Xiang , Ze-Jun Jiang

52 months of accumulated observations by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope in the region of the supernova remnants G296.5+10.0 (PKS 1209-51/52) and G166.0+4.3 (VRO 42.05.01) are analyzed. GeV emission is…

High Energy Astrophysical Phenomena · Physics 2015-06-16 Miguel Araya

The supernova remnant (SNR) G51.26+0.11 was recently discovered and little is known about its properties and environment. Using data from the \emph{Fermi} Large Area Telescope we study the GeV emission seen in the direction of G51.26+0.11…

High Energy Astrophysical Phenomena · Physics 2021-11-17 Miguel Araya

The supernova remnant (SNR) G150.3+4.5 was first identified in radio, exhibiting a hard GeV spectrum and a $\sim 1.5^\circ$ radius. Radio observations revealed a bright arc with an index of $\sim -0.40$, which stands in contrast to the…

High Energy Astrophysical Phenomena · Physics 2024-08-20 Yuan Li , Siming Liu , Gwenael Giacinti

G279.0+1.1 is a supernova remnant (SNR) with poorly known parameters, first detected as a dim radio source and classified as an evolved system. An analysis of data from the Fermi-LAT revealing for the first time an extended source of gamma…

High Energy Astrophysical Phenomena · Physics 2020-02-05 Miguel Araya

We reanalyze the Fermi-LAT GeV $\gamma$-ray emission in the region of supernova remnant (SNR) G51.26+0.11 and investigate its interstellar molecular environment with the CO-line data. At GeV energies, based on 13.2 years of Fermi-LAT data,…

High Energy Astrophysical Phenomena · Physics 2023-03-08 Wen-Juan Zhong , Xiao Zhang , Yang Chen , Qian-Qian Zhang

We report the likely detection of gamma-ray emission from the northeast shell region of the historical supernova remnant (SNR) SN 1006. Having analyzed 7 years of Fermi LAT Pass 8 data for the region of SN 1006, we found a GeV gamma-ray…

High Energy Astrophysical Phenomena · Physics 2016-06-01 Yi Xing , Zhongxiang Wang , Xiao Zhang , Yang Chen

We report the detection of high-energy $\gamma$-ray emission in the vicinity of G172.8+1.5, which is debated as a Supernova remnant (SNR) or an ionized hydrogen (H$_{\rm{II}}$) region. Using 16-yr Pass 8 data from Fermi Large Area Telescope…

High Energy Astrophysical Phenomena · Physics 2025-10-03 Yuan Li , Gwenael Giacinti , Siming Liu

We report on gamma-ray observations of the supernova remnant (SNR) RX J0852.0-4622 with the Large Area Telescope (LAT) aboard the Fermi Gamma-ray Space Telescope. In the Fermi LAT data, we find a spatially extended source at the location of…

High Energy Astrophysical Phenomena · Physics 2011-10-06 T. Tanaka , A. Allafort , J. Ballet , S. Funk , F. Giordano , J. Hewitt , M. Lemoine-Goumard , H. Tajima , O. Tibolla , Y. Uchiyama

Spatial template is important to study the nearby supernova remnant (SNR). For SNR G332.5-5.6, we report a gaussian disk with radius of about 1.06 degrees to be a potential good spatial model in the gamma-ray band. Employing this new…

High Energy Astrophysical Phenomena · Physics 2024-03-12 Ming-Hong Luo , Qing-Wen Tang , Xiu-Rong Mo

We report the discovery of high-energy $\gamma$-ray emission in the vicinity of G213.0-0.6, which is debated as a supernova remnant (SNR) or an ionized hydrogen (H$_{\rm{II}}$) region. Using 16-yr Pass 8 data from Fermi Large Area Telescope…

High Energy Astrophysical Phenomena · Physics 2025-08-22 Yuan Li , Gwenael Giacinti , Siming Liu

With the 15 yrs of Pass 8 data recorded by the {\em Fermi} Large Area Telescope, we report the detection of an extended gigaelectronvolt emission component with a 68\% containment radius of $0^{\circ}\!.85$, which is spatially associated…

High Energy Astrophysical Phenomena · Physics 2024-11-01 Xiaolei Guo , Xi Liu

The discovery of a non-thermal radio ring of low surface brightness about one degree in diameter has been recently reported around the location in the sky of the Calvera pulsar, at a high Galactic latitude. The radio properties point to it…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Miguel Araya

This work reports on the detection of $\gamma$-ray emission coincident with the supernova remnant (SNR) SNR G5.7-0.1 using data collected by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope. The SNR is believed to be…

High Energy Astrophysical Phenomena · Physics 2016-01-13 Timothy Joubert , Daniel Castro , Patrick Slane , Joseph Gelfand

The Vela supernova remnant (SNR), G263.9-3.3, and its pulsar wind nebula (PWN), Vela X, is one of the closest such systems, and it has been studied using observations across the electromagnetic spectrum. SNRs are known sources of gamma rays…

High Energy Astrophysical Phenomena · Physics 2026-04-21 Miguel Araya , Santiago Ramírez , Diego Bueso , Braulio J. Solano-Rojas

We present a detailed analysis of the GeV gamma-ray emission toward the supernova remnant (SNR) G8.7-0.1 with the Large Area Telescope (LAT) onboard the \emph{Fermi} Gamma-ray Space Telescope. An investigation of the relationship among…

High Energy Astrophysical Phenomena · Physics 2015-05-30 LAT Collaboration

We present the analysis of Fermi Large Area Telecope (LAT) data of the gamma-ray emission in the vicinity of a radio supernova remnant (SNR), G045.7$-$00.4. To study the origin of the gamma-ray emission, we also make use of the CO survey…

High Energy Astrophysical Phenomena · Physics 2022-07-12 Hai-Ming Zhang , Ruo-Yu Liu , Yang Su , Hui Zhu , Shao-Qiang Xi , Xiang-Yu Wang
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