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ALMA Observations of DEM L241/LMC P3 in the Large Magellanic Cloud: Evidence for the Formation of Cool Molecular Jets Driven by a Microquasar
Yasuo Fukui, Bhuvana G. R., Hidetoshi Sano +17
We present ALMA observations of DEML 241/LMC P3, the most luminous -ray binary consisting of a compact object and an O star, in CO emission. We have found an one-sided jet-like…
Discovery of CO Clouds Associated with the X-ray Jets of SS 433: Evidence for Shock-Cloud Interaction Enhancing Nonthermal X-ray Emission
Haruka Sakemi, Hidetoshi Sano, Yasuo Fukui +7
We report the first identification of molecular clumps directly associated with the re-brightening regions of the large-scale X-ray jets of SS 433, based on CO ( = 1--0)…
Discovery of Molecular and Atomic Gas associated with HESS J1646-458 (Westerlund 1): Spatial TeV Gamma-Ray and Interstellar Proton Correspondence
H. Sano, Y. Fukui, S. Fujimori +21
We report CO and HI studies of molecular and atomic gas toward the TeV gamma-ray source HESS J1646458, widely considered to be associated with the young massive cluster Westerlu…
The Gamma Ray Origin in RXJ0852.0-4622 Quantifying the Hadronic and Leptonic Components: Further Evidence for the Cosmic Ray Acceleration in Young Shell-type SNRs
Yasuo Fukui, Maki Aruga, Hidetoshi Sano +5
Fukui et al. (2021) quantified the hadronic and leptonic gamma rays in the young TeV gamma ray shell-type supernova remnant (SNR) RXJ1713.7-3946 (RXJ1713), and demonstrated that th…
Molecular and Atomic Clouds Associated with the Gamma-Ray Supernova Remnant Puppis A
M. Aruga, H. Sano, Y. Fukui +3
We have carried out a study of the interstellar medium (ISM) toward a shell-like supernova remnant SNR Puppis A by using the NANTEN CO and ATCA HI data. We synthesized a comprehens…
An Expanding Shell of Neutral Hydrogen Associated with SN 1006: Hints for the Single-Degenerate Origin and Faint Hadronic Gamma-Rays
H. Sano, H. Yamaguchi, M. Aruga +4
We report new HI observations of the Type Ia supernova remnant SN 1006 using the Australia Telescope Compact Array with an angular resolution of (2 pc at t…
Pursuing the origin of the gamma rays in RX J1713.73946 quantifying the hadronic and leptonic components
Yasuo Fukui, Hidetoshi Sano, Yumiko Yamane +5
We analyzed the TeV gamma-ray image of a supernova remnant RX J1713.73946 (RX J1713) through a comparison with the interstellar medium (ISM) and the non-thermal X-rays. The gamm…
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…
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…
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…
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…
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…
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…
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…
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…