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20112021
most citedNeutral pion emission from accelerated protons in the supernova remnant W44

229 citations · 1.4k across the 37 of their papers we have counts for

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19 papers · 1 filter

astro-ph.HE2021

Associated molecular and atomic clouds with X-ray shell of superbubble 30 Doradus C in the LMC

Y. Yamane, H. Sano, M. D. Filipovic +20

30 Doradus C is a superbubble which emits the brightest nonthermal X- and TeV gamma-rays in the Local Group. In order to explore detailed connection between the high energy radiati…

astro-ph.HE2021★ 29 cited

ALMA CO Observations of the Mixed-Morphology Supernova Remnant W49B: Efficient Production of Recombining Plasma and Hadronic Gamma-rays via Shock-Cloud Interactions

H. Sano, S. Yoshiike, Y. Yamane +7

We carried out new CO( = 2-1) observations toward the mixed-morphology supernova remnant (SNR) W49B with the Atacama Large Millimeter/submillimeter Array (ALMA). We found that C…

astro-ph.HE2020★ 23 cited

ALMA CO Observations of the Gamma-Ray Supernova Remnant RX J1713.7-3946: Discovery of Shocked Molecular Cloudlets and Filaments at 0.01 pc scales

H. Sano, T. Inoue, K. Tokuda +14

RX J1713.7-3946 is a unique core-collapse SNR that emits bright TeV gamma-rays and synchrotron X-rays caused by cosmic rays, in addition to interactions with interstellar gas cloud…

astro-ph.HE2019★ 31 cited

Deep XMM-Newton Observations Reveal the Origin of Recombining Plasma in the Supernova Remnant W44

Hiromichi Okon, Takaaki Tanaka, Hiroyuki Uchida +8

Recent X-ray studies revealed over-ionized recombining plasmas (RPs) in a dozen mixed-morphology (MM) supernova remnants (SNRs). However, the physical process of the over-ionizatio…

astro-ph.HE2018★ 11 cited

A Spatially Resolved Study of X-ray Properties in Superbubble 30 Dor C with

Yasunori Babazaki, Ikuyuki Mitsuishi, Hironori Matsumoto +4

We carry out spatially resolved spectral analysis with a physical scale of 10 pc in X-ray for the superbubble 30 Dor C, which has the largest diameter of 80 pc and the…

astro-ph.HE2018★ 17 cited

ALMA observations of supernova remnant N49 in the LMC: I. Discovery of CO clumps associated with X-ray and radio continuum shells

Y. Yamane, H. Sano, J. Th. van Loon +24

N49 (LHA 120-N49) is a bright X-ray supernova remnant (SNR) in the Large Magellanic Cloud. We present new CO( = 1-0, 3-2), HI, and 1.4 GHz radio-continuum observations of…

astro-ph.HE2018★ 22 cited

Possible Evidence for Cosmic-Ray Acceleration in the Type Ia SNR RCW 86: Spatial Correlation between TeV Gamma rays and Interstellar Atomic Protons

H. Sano, G. Rowell, E. M. Reynoso +13

We present a detailed morphological study of TeV gamma rays, synchrotron radiation, and interstellar gas in the young Type Ia supernova remnant (SNR) RCW 86. We find that the inter…

astro-ph.HE2018★ 49 cited

A search for new supernova remnant shells in the Galactic plane with H.E.S.S

H. E. S. S. Collaboration, :, H. Abdalla +263

A search for new supernova remnants (SNRs) has been conducted using TeV gamma-ray data from the H.E.S.S. Galactic plane survey. As an identification criterion, shell morphologies t…

astro-ph.HE2017★ 42 cited

A detailed study of the interstellar protons toward the TeV -ray SNR RX J0852.04622 (G266.21.2, Vela Jr.); a third case of the -rays and ISM spatial correspondence

Y. Fukui, H. Sano, J. Sato +18

We present a new analysis of the interstellar protons toward the TeV -ray SNR RX J0852.04622 (G266.21.2, Vela Jr.). We used the NANTEN2 CO( = 1-0) and ATCA & Par…

astro-ph.HE2017★ 23 cited

Prospects for CTA observations of the young SNR RX J1713.7-3946

The CTA Consortium, :, F. Acero +381

We perform simulations for future Cherenkov Telescope Array (CTA) observations of RX~J1713.73946, a young supernova remnant (SNR) and one of the brightest sources ever discovere…

astro-ph.HE2016★ 2 cited

Interstellar Gas and X-rays toward the Young Supernova Remnant RCW 86; Pursuit of the Origin of the Thermal and Non-Thermal X-ray

H. Sano, E. M. Reynoso, I. Mitsuishi +13

We have analyzed the atomic and molecular gas using the 21 cm HI and 2.6/1.3 mm CO emissions toward the young supernova remnant (SNR) RCW 86 in order to identify the interstellar m…

astro-ph.HE2014★ 47 cited

Discovery of the hard spectrum VHE gamma-ray source HESS J1641-463

H. E. S. S. Collaboration, :, A. Abramowski +230

This letter reports the discovery of a remarkably hard spectrum source, HESS J1641-463, by the High Energy Stereoscopic System (H.E.S.S.) in the very-high energy (VHE) domain. HESS…

astro-ph.HE2014★ 51 cited

Interstellar protons in the TeV gamma-ray SNR HESS J1731-347:Possible evidence for the coexistence of hadronic and leptonic gamma-rays

T. Fukuda, S. Yoshiike, H. Sano +4

HESS J1731-347 (G353.6-0.7) is one of the TeV gamma-ray SNRs which shows the shell-like morphology. We have made a new analysis of the interstellar protons toward the SNR by using…

astro-ph.HE2014★ 59 cited

The Supernova Remnant W44: confirmations and challenges for cosmic-ray acceleration

M. Cardillo, M. Tavani, A. Giuliani +6

The middle-aged supernova remnant (SNR) W44 has recently attracted attention because of its relevance regarding the origin of Galactic cosmic-rays. The gamma-ray missions AGILE and…

astro-ph.HE2014★ 54 cited

A detailed study of non-thermal X-ray properties and interstellar gas toward the γ-ray supernova remnant RX J1713.7-3946

H. Sano, T. Fukuda, S. Yoshiike +19

We have carried out a spectral analysis of the Suzaku X-ray data in the 0.4-12 keV range toward the shell-type very-high-energy γ-ray supernova remnant RX J1713.7-3946. The aims of…

astro-ph.HE2013★ 19 cited

Dense Gas Towards the RXJ1713.7-3946 Supernova Remnant

Nigel I. Maxted, Gavin P. Rowell, Bruce R. Dawson +9

We present results from a Mopra 7mm-wavelength survey that targeted the dense gas-tracing CS(1-0) transition towards the young gamma-ray-bright supernova remnant, RXJ1713.7-3946 (S…

astro-ph.HE2013★ 19 cited

Interstellar gas towards CTB 37A and the TeV gamma-ray source HESS J1714-385

Nigel I. Maxted, Gavin P. Rowell, Bruce R. Dawson +8

Observations of dense molecular gas towards the supernova remnants CTB 37A (G348.5+0.1) and G348.5-0.0 were carried out using the Mopra and Nanten2 radio telescopes. We present CO(…

astro-ph.HE2012★ 64 cited

Recombining Plasma and Hard X-ray Filament in the Mixed-Morphology Supernova Remnant W44

Hiroyuki Uchida, Katsuji Koyama, Hiroya Yamaguchi +6

We report new features of the typical mixed-morphology (MM) supernova remnant (SNR) W44. In the X-ray spectra obtained with Suzaku, radiative recombination continua (RRCs) of highl…

astro-ph.HE2011★ 229 cited

Neutral pion emission from accelerated protons in the supernova remnant W44

A. Giuliani, M. Cardillo, M. Tavani +41

We present the AGILE gamma-ray observations in the energy range 50 MeV - 10 GeV of the supernova remnant (SNR) W44, one of the most interesting systems for studying cosmic-ray prod…