TeV Gamma-Rays from Old Supernova Remnants
arXiv:astro-ph/0601704 · doi:10.1111/j.1365-2966.2006.10832.x
Abstract
We study the emission from an old supernova remnant (SNR) with an age of around 10^5 yrs and that from a giant molecular cloud (GMC) encountered by the SNR. When the SNR age is around 10^5 yrs, proton acceleration is efficient enough to emit TeV gamma-rays both at the shock of the SNR and that in the GMC. The maximum energy of primarily accelerated electrons is so small that TeV gamma-rays and X-rays are dominated by hadronic processes, pi^0-decay and synchrotron radiation from secondary electrons, respectively. However, if the SNR is older than several 10^5 yrs, there are few high-energy particles emitting TeV gamma-rays because of the energy loss effect and/or the wave damping effect occurring at low-velocity isothermal shocks. For old SNRs or SNR-GMC interacting systems capable of generating TeV gamma-ray emitting particles, we calculated the ratio of TeV gamma-ray (1-10 TeV) to X-ray (2-10 keV) energy flux and found that it can be more than ~10^2. Such a source showing large flux ratio may be a possible origin of recently discovered unidentified TeV sources.
10 pages, 6 figures, 2 tables, MNRAS in press
References in corpus (15)
- The H.E.S.S. survey of the Inner Galaxy in very high-energy gamma-rays
- High-energy particle acceleration in the shell of a supernova remnant
- A new population of very high energy gamma-ray sources in the Milky Way
- The Crab Nebula and Pulsar between 500 GeV and 80 TeV: Observations with the HEGRA stereoscopic air Cherenkov telescopes
- A Spatial and Spectral Study of Nonthermal Filaments in Historical Supernova Remnants: Observational Results with Chandra
- Detection of TeV gamma-ray Emission from the Shell-Type Supernova Remnant RX J0852.0-4622 with H.E.S.S
- Discovery of extended VHE gamma-ray emission from the asymmetric pulsar wind nebula in MSH 15-52 with H.E.S.S
- Chandra Observations of A Galactic Supernova Remnant Vela Jr.: A New Sample of Thin Filaments Emitting Synchrotron X-Rays
- Detection of Gamma-rays around 1TeV from RX J0852.0-4622 by CANGAROO-II
- Serendipitous discovery of the unidentified extended TeV gamma-ray source HESS J1303-631
- Discovery of a Radio Supernova Remnant and Non-thermal X-rays Coincident with the TeV Source HESS J1813-178
- Time Variability in the X-ray Nebula Powered by Pulsar B1509-58
- Upper limits to the SN1006 multi-TeV gamma-ray flux from H.E.S.S. observations
- Chandra Observation of the Unidentified TeV Gamma-Ray Source HESS J1303-631 in the Galactic Plane
- Long-Term Evolution of Supernova Remnants in Magnetized Interstellar Medium
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- VLA and XMM-Newton observations of the SNR W41/TeV Gamma-ray source HESS J1834-087
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- High-Energy Emission from Interacting Supernovae: New Constraints on Cosmic-Ray Acceleration in Dense Circumstellar Environments
- Excesses of Cosmic Ray Spectra from A Single Nearby Source
- Time-dependent Modeling of Pulsar Wind Nebulae
- Correlation of Supernova Remnant Masers and Gamma-Ray Sources
- CHAMP Cosmic Rays
- A search for new supernova remnant shells in the Galactic plane with H.E.S.S
- Explanation of the knee-like feature in the DAMPE cosmic energy spectrum
- X-ray emission from HESS J1731-347/SNR G353.6-0.7 and Central Compact Source XMMS J173203-344518
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- A 7mm line survey of the shocked and disrupted molecular gas towards the W28 field TeV gamma-ray sources
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- X-Ray Observation of Very High Energy Gamma-Ray Source, HESS J1745-303, with Suzaku
- The Transition from Young to Middle-aged Supernova Remnants: Thermal and Nonthermal Aspects of SNR N132D
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- Chandra observation of the TeV source HESS J1834-087
- Probing The Local Environment of the Supernova Remnant HESS J1731-347 with CO and CS Observations
- Suzaku Observations of HESS J1616-508: Evidence for a Dark Particle Accelerator
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- Non-thermal emission from old supernova remnants
- Discovery of a possible X-ray counterpart to HESS J1804-216
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- X-ray Spectroscopy of the Mixed Morphology Supernova Remnant W28 with XMM-Newton
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- Confirmation Of Two Galactic Supernova Remnant Candidates Discovered By THOR
- Suzaku observations of the hard X-ray spectrum of Vela Jr
- Exploring the hadronic origin of LHAASO J1908+0621
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- Discriminating Local Sources of High-Energy Cosmic Electrons and Positrons by Current and Future Anisotropy Measurements
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- Suzaku observation of the unidentified VHE gamma-ray source HESS J1702-420
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- Supernova connection of unidentified ultra high energy gamma-ray source LHAASO J2108+5157
- Observation of Very High Energy Gamma Rays from HESS J1804-216 with CANGAROO-III Telescopes
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- On the Expansion, Age, and Origin of the Puzzling Shell/Pulsar Wind Nebula G310.6-1.6
- On the Nonthermal Emission from the Supernova Remnant W51C
- Suzaku Analysis of the Supernova Remnant G306.3-0.9 and the Gamma-ray View of Its Neighborhood
- Discovery of new X-ray sources near the unidentified gamma-ray source HESS J1841-055
- X-ray observation of AM Herculis in a very low state with Suzaku
- Exploring the nature of the unidentified VHE gamma-ray source HESS J1507-622
- Cosmic Ray e^+/(e^- + e^+) and pbar/p Ratios Explained by an Injection Model Based on Gamma-ray Observations
- Nature of the Unidentified TeV Source HESS J1614-518, Revealed by Suzaku and XMM-Newton Observations
- Positron annihilation as a cosmic-ray probe
- Morphological Studies of the PWN Candidate HESS J1809-193
- Arc-minute-scale studies of the interstellar gas towards HESSJ1804216: Still an unidentified TeV -ray source
- Status of Very High Energy gamma-ray Astronomy as of early 2008
- CANGAROO-III observation of TeV gamma rays from the unidentified gamma-ray source HESS J1614-518
- Cosmic Rays and Non-thermal Emission Induced by Accretion of Cool Gas onto the Galactic Disk
- Using X-ray observations to identify the particle acceleration mechanisms in VHE SNRs and "dark" VHE sources
- Gamma rays from reaccelerated cosmic rays in high velocity clouds colliding with the Galactic disk
- Search for the time evolution of the synchrotron X-ray spectrum of the youngest Galactic supernova remnant G1.9+0.3 using Suzaku
- Investigation of X-ray emission from the unidentified TeV gamma-ray source HESS J1832-085 with Suzaku
- Constraining Galactic Interactions with Cosmic Ray Electron and Positron Spectra