Search Results - "Sushch, I."
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Core-collapse supernovae in dense environments – particle acceleration and non-thermal emission
Published in Monthly notices of the Royal Astronomical Society (25-08-2022)“…ABSTRACT Supernova remnants (SNRs) are known to accelerate cosmic rays from the detection of non-thermal emission in radio waves, X-rays, and gamma-rays…”
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Multiwavelength observations of the binary system PSR B1259−63/LS 2883 around the 2010-2011 periastron passage
Published in Monthly notices of the Royal Astronomical Society (2014)“…We report on broad multiwavelength observations of the 2010-2011 periastron passage of the γ-ray loud binary system PSR B1259−63. High-resolution…”
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Optical spectroscopy of PSR B1259-63/LS 2883 during the 2014 periastron passage with the Southern African Large Telescope
Published in Monthly notices of the Royal Astronomical Society (01-02-2016)“…The gamma-ray binary system PSR B1259-63/LS 2883 went through periastron in May 2014. We report on the optical spectroscopic monitoring of the system from 33 d…”
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Spatio-spectral-temporal modelling of two young pulsar wind nebulae
Published in Monthly notices of the Royal Astronomical Society (25-10-2024)“…Abstract Recent observations of a few young pulsar wind nebulae (PWNe) have revealed their morphologies in some detail. Given the availability of…”
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Evidence for Proton Acceleration up to TeV Energies Based on VERITAS and Fermi-LAT Observations of the Cas A SNR
Published in The Astrophysical journal (01-05-2020)“…We present a study of γ-ray emission from the core-collapse supernova remnant Cas A in the energy range from 0.1 GeV to 10 TeV. We used 65 hr of the Very…”
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Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS
Published in The Astrophysical journal (10-11-2019)“…The extragalactic background light (EBL), a diffuse photon field in the optical and infrared range, is a record of radiative processes over the universe's…”
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A Decade of Multiwavelength Observations of the TeV Blazar 1ES 1215+303: Extreme Shift of the Synchrotron Peak Frequency and Long-term Optical-Gamma-Ray Flux Increase
Published in The Astrophysical journal (10-03-2020)“…Blazars are known for their variability on a wide range of timescales at all wavelengths. Most studies of TeV gamma-ray blazars focus on short timescales,…”
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Acceleration and transport of relativistic electrons in the jets of the microquasar SS 433
Published in Science (American Association for the Advancement of Science) (26-01-2024)“…SS 433 is a microquasar, a stellar binary system that launches collimated relativistic jets. We observed SS 433 in gamma rays using the High Energy…”
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A Search for Pulsed Very High-energy Gamma-Rays from 13 Young Pulsars in Archival VERITAS Data
Published in The Astrophysical journal (10-05-2019)“…We conduct a search for periodic emission in the very high-energy (VHE) gamma-ray band (E > 100 GeV) from a total of 13 pulsars in an archival VERITAS data set…”
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Probing the Properties of the Pulsar Wind in the Gamma-Ray Binary HESS J0632+057 with NuSTAR and VERITAS Observations
Published in The Astrophysical journal (10-01-2020)“…HESS J0632+057 is a gamma-ray binary composed of a compact object orbiting a Be star with a period of about 315 days. Extensive X-ray and TeV gamma-ray…”
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A decade of multi-wavelength observations of the TeV blazar 1ES 1215+303: Extreme shift of the synchrotron peak frequency and long-term optical-gamma-ray flux increase
Published in The Astrophysical journal (2020)“…Blazars are known for their variability on a wide range of timescales at all wavelengths. Most studies of TeV gamma-ray blazars focus on short timescales,…”
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Author Correction: Discovery of a radiation component from the Vela pulsar reaching 20 teraelectronvolts
Published in Nature astronomy (2024)Get full text
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Direct measurement of stellar angular diameters by the VERITAS Cherenkov telescopes
Published in Nature astronomy (01-06-2019)“…The angular size of a star is a critical factor in determining its basic properties 1 . Direct measurement of stellar angular diameters is difficult: at…”
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The Galactic sky through H.E.S.S. eyes
Published 01-04-2016“…The High Energy Stereoscopic System (H.E.S.S.) is an array of five imaging atmospheric Cherenkov telescopes. Since 2003 it has been operating in the…”
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TeV -ray observations of the young synchrotron-dominated SNRs G1.9+0.3 and G330.2+1.0 with H.E.S.S
Published in Monthly notices of the Royal Astronomical Society (11-06-2014)“…The non-thermal nature of the X-ray emission from the shell-type supernova remnants (SNRs) G1.9+0.3 and G330.2+1.0 is an indication of intense particle…”
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Spatio-spectral-temporal Modelling of Two Young Pulsar Wind Nebulae
Published 23-10-2024“…Recent observations of a few young pulsar wind nebulae (PWNe) have revealed their morphologies in some detail. Given the availability of…”
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HESS and Fermi-LAT discovery of [gamma]-rays from the blazar 1ES 1312-423
Published in Monthly notices of the Royal Astronomical Society (21-09-2013)“…A deep observation campaign carried out by the High Energy Stereoscopic System (HESS) on Centaurus A enabled the discovery of ...-rays from the blazar 1ES…”
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Localizing the VHE [gamma]-ray source at the Galactic Centre
Published in Monthly notices of the Royal Astronomical Society (01-03-2010)“…The inner 10 pc of our Galaxy contains many counterpart candidates of the very high energy (VHE; >100 GeV) γ-ray point source HESS J1745-290. Within the point…”
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Localizing the VHE g-ray source at the Galactic Centre
Published in Monthly notices of the Royal Astronomical Society (01-03-2010)“…The inner 10 pc of our Galaxy contains many counterpart candidates of the very high energy (VHE; > 100 GeV) g-ray point source HESS J1745-290. Within the point…”
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Very-high-energy $\gamma$-ray emission from young massive star clusters in the Large Magellanic Cloud
Published 23-07-2024“…Astrophysical Journal Letters 970, L21 (2024) The Tarantula Nebula in the Large Magellanic Cloud is known for its high star formation activity. At its center…”
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