Dr. Vikas Joshi
Dr. Vikas Joshi
As a member of HAWC, H.E.S.S., and SWGO collaboration, I am currently involved in the reconstruction and analysis of very-high-energy gamma-ray data. Before coming to ECAP, I did my graduate studies at MPIK Heidelberg.
Presentations
- HAWC High Energy Upgrade with a Sparse Outrigger Array
Contributed poster at the International Cosmic Ray Conference (ICRC) 2017
Publications
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2024
- Alfaro, R., et al. "Galactic Gamma-Ray Diffuse Emission at TeV Energies with HAWC Data." Astrophysical Journal 961.1 (2024).
DOI: 10.3847/1538-4357/ad00b6
BibTeX: Download
2023
- Abeysekara, A. U., et al. "The High-Altitude Water Cherenkov (HAWC) observatory in México: The primary detector." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1052 (2023).
DOI: 10.1016/j.nima.2023.168253
BibTeX: Download - Aharonian, F., et al. "Detection of extended γ -ray emission around the Geminga pulsar with H.E.S.S." Astronomy & Astrophysics 673 (2023).
DOI: 10.1051/0004-6361/202245776
BibTeX: Download - Aharonian, F., et al. "HESS J1809-193: A halo of escaped electrons around a pulsar wind nebula?" Astronomy & Astrophysics 672 (2023).
DOI: 10.1051/0004-6361/202245459
BibTeX: Download - Aharonian, F., et al. "Constraints on the Intergalactic Magnetic Field Using Fermi-LAT and H.E.S.S. Blazar Observations." Astrophysical Journal Letters 950.2 (2023): L16.
DOI: 10.3847/2041-8213/acd777
BibTeX: Download - Albert, A., et al. "Detailed Analysis of the TeV γ-Ray Sources 3HWC J1928+178, 3HWC J1930+188, and the New Source HAWC J1932+192." Astrophysical Journal 942.2 (2023).
DOI: 10.3847/1538-4357/ac8de3
BibTeX: Download - Albert, A., et al. "Discovery of Gamma Rays from the Quiescent Sun with HAWC." Physical Review Letters 131.5 (2023).
DOI: 10.1103/PhysRevLett.131.051201
BibTeX: Download - Albert, A., et al. "HAWC Detection of a TeV Halo Candidate Surrounding a Radio-quiet Pulsar." Astrophysical Journal Letters 944.2 (2023).
DOI: 10.3847/2041-8213/acb5ee
BibTeX: Download - Albert, A., et al. "HAWC Study of the Very-high-energy γ-Ray Spectrum of HAWC J1844−034." Astrophysical Journal 954.2 (2023).
DOI: 10.3847/1538-4357/ace967
BibTeX: Download - Alfaro, Ruben, et al. "High-altitude characterization of the Hunga pressure wave with cosmic rays by the HAWC observatory." Advances in Space Research (2023).
DOI: 10.1016/j.asr.2023.09.049
BibTeX: Download - Alfaro, R., et al. "Searching for TeV Dark Matter in Irregular Dwarf Galaxies with HAWC Observatory." Astrophysical Journal 945.1 (2023).
DOI: 10.3847/1538-4357/acb5f1
BibTeX: Download - Glombitza, Jonas, et al. "Application of graph networks to background rejection in Imaging Air Cherenkov Telescopes." Journal of Cosmology and Astroparticle Physics 2023.11 (2023).
DOI: 10.1088/1475-7516/2023/11/008
BibTeX: Download
2022
- Aharonian, F., et al. "Evidence for γ-ray emission from the remnant of Kepleras supernova based on deep H.E.S.S. observations." Astronomy & Astrophysics 662 (2022).
DOI: 10.1051/0004-6361/202243096
BibTeX: Download - Albert, Andrea, et al. "Searching for >177 TeV Gamma Rays in the Vicinity of Mrk 501 with HAWC." Proceedings of the 37th International Cosmic Ray Conference, ICRC 2021, Berlin Sissa Medialab Srl, 2022.
BibTeX: Download - Albert, A., et al. "HAWC Study of the Ultra-high-energy Spectrum of MGRO J1908+06." Astrophysical Journal 928.2 (2022).
DOI: 10.3847/1538-4357/ac56e5
BibTeX: Download - Albert, A., et al. "Long-term Spectra of the Blazars Mrk 421 and Mrk 501 at TeV Energies Seen by HAWC." Astrophysical Journal 929.2 (2022).
DOI: 10.3847/1538-4357/ac58f6
BibTeX: Download - Albert, A., et al. "Cosmic ray spectrum of protons plus helium nuclei between 6 and 158 TeV from HAWC data." Physical Review D 105.6 (2022).
DOI: 10.1103/PhysRevD.105.063021
BibTeX: Download - Albert, A., et al. "Probing the Extragalactic Mid-infrared Background with HAWC." Astrophysical Journal 933.2 (2022).
DOI: 10.3847/1538-4357/ac7714
BibTeX: Download - Albert, A., et al. "γ-Ray Emission from Classical Nova V392 Per: Measurements from Fermi and HAWC." Astrophysical Journal 940.2 (2022).
DOI: 10.3847/1538-4357/ac966a
BibTeX: Download - Alfaro, R., et al. "Study of the Very High Energy Emission of M87 through its Broadband Spectral Energy Distribution." Astrophysical Journal 934.2 (2022).
DOI: 10.3847/1538-4357/ac7b78
BibTeX: Download - Alfaro, R., et al. "Gamma/hadron separation with the HAWC observatory." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1039 (2022).
DOI: 10.1016/j.nima.2022.166984
BibTeX: Download - Breuhaus, M., et al. "Galactic gamma-ray and neutrino emission from interacting cosmic-ray nuclei." Astronomy & Astrophysics 661 (2022).
DOI: 10.1051/0004-6361/202141318
BibTeX: Download - Chibueze, J. O., et al. "A MeerKAT, e-MERLIN, HESS, and Swift search for persistent and transient emission associated with three localized FRBs." Monthly Notices of the Royal Astronomical Society 515.1 (2022): 1365-1379.
DOI: 10.1093/mnras/stac1601
BibTeX: Download - Lara, Alejandro, et al. "Galactic Cosmic Ray increase associated with an interplanetary magnetic cloud observed by HAWC." Proceedings of the 37th International Cosmic Ray Conference, ICRC 2021, Virtual Sissa Medialab Srl, 2022.
BibTeX: Download
2021
- Abdalla, H., et al. "Search for Dark Matter Annihilation Signals from Unidentified Fermi-LAT Objects with HESS." Astrophysical Journal 918.1 (2021).
DOI: 10.3847/1538-4357/abff59
BibTeX: Download - Abeysekara, A. U., et al. "HAWC observations of the acceleration of very-high-energy cosmic rays in the Cygnus Cocoon." Nature Astronomy (2021).
DOI: 10.1038/s41550-021-01318-y
BibTeX: Download - Albert, A., et al. "Evidence that Ultra-high-energy Gamma Rays Are a Universal Feature near Powerful Pulsars." Astrophysical Journal Letters 911.2 (2021).
DOI: 10.3847/2041-8213/abf4dc
BibTeX: Download - Albert, A., et al. "Probing the Sea of Cosmic Rays by Measuring Gamma-Ray Emission from Passive Giant Molecular Clouds with HAWC." Astrophysical Journal 914.2 (2021).
DOI: 10.3847/1538-4357/abfc47
BibTeX: Download - Albert, A., et al. "HAWC Search for High-mass Microquasars." Astrophysical Journal Letters 912.1 (2021).
DOI: 10.3847/2041-8213/abf35a
BibTeX: Download - Albert, A., et al. "Spectrum and morphology of the very-high-energy source HAWC J2019+368." Astrophysical Journal 911.2 (2021).
DOI: 10.3847/1538-4357/abecda
BibTeX: Download - Albert, A., et al. "Evidence of 200 TeV photons from HAWC J1825-134." Astrophysical Journal Letters 907.2 (2021).
DOI: 10.3847/2041-8213/abd77b
BibTeX: Download - Albert, A., et al. "A Survey of Active Galaxies at TeV Photon Energies with the HAWC Gamma-Ray Observatory." Astrophysical Journal 907.2 (2021).
DOI: 10.3847/1538-4357/abca9a
BibTeX: Download - Alvarez, C., et al. "HAWC as a Ground-Based Space-Weather Observatory." Solar Physics 296.6 (2021).
DOI: 10.1007/s11207-021-01827-z
BibTeX: Download - Solares, H. A.Ayala, et al. "Multimessenger gamma-ray and neutrino coincidence alerts using hawc and icecube subthreshold data." Astrophysical Journal 906.1 (2021).
DOI: 10.3847/1538-4357/abcaa4
BibTeX: Download - Taylor, Andrew M., et al. "Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow." Science 372.6546 (2021): 1081-1085.
DOI: 10.1126/science.abe8560
BibTeX: Download
2020
- Abdalla, H., et al. "Very high energy gamma-ray emission from two blazars of unknown redshift and upper limits on their distance." Monthly Notices of the Royal Astronomical Society 494.4 (2020): 5590-5602.
DOI: 10.1093/mnras/staa999
BibTeX: Download - Akiyama, S., et al. "Interplanetary Magnetic Flux Rope Observed at Ground Level by HAWC." Astrophysical Journal 905.1 (2020).
DOI: 10.3847/1538-4357/abc344
BibTeX: Download - Albert, A., et al. "HAWC and Fermi-LAT Detection of Extended Emission from the Unidentified Source 2HWC J2006+341." Astrophysical Journal Letters 903.1 (2020).
DOI: 10.3847/2041-8213/abbfae
BibTeX: Download - Albert, A., et al. "HAWC J2227+610 and Its Association with G106.3+2.7, a New Potential Galactic PeVatron." Astrophysical Journal Letters 896.2 (2020).
DOI: 10.3847/2041-8213/ab96cc
BibTeX: Download - Albert, A., et al. "Constraints on Lorentz Invariance Violation from HAWC Observations of Gamma Rays above 100 TeV." Physical Review Letters 124.13 (2020).
DOI: 10.1103/PhysRevLett.124.131101
BibTeX: Download - Albert, A., et al. "3HWC: The Third HAWC Catalog of Very-high-energy Gamma-Ray Sources." Astrophysical Journal 905.1 (2020).
DOI: 10.3847/1538-4357/abc2d8
BibTeX: Download - Albert, A., et al. "Search for gamma-ray spectral lines from dark matter annihilation in dwarf galaxies with the High-Altitude Water Cherenkov observatory." Physical Review D 101.10 (2020).
DOI: 10.1103/PhysRevD.101.103001
BibTeX: Download - Albert, A., et al. "Constraining the local burst rate density of primordial black holes with HAWC." Journal of Cosmology and Astroparticle Physics 2020.4 (2020).
DOI: 10.1088/1475-7516/2020/04/026
BibTeX: Download - Albert, A., et al. "Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC." Physical Review Letters 124.2 (2020).
DOI: 10.1103/PhysRevLett.124.021102
BibTeX: Download - Giacinti, G., et al. "Halo fraction in TeV-bright pulsar wind nebulae." Astronomy & Astrophysics 636 (2020).
DOI: 10.1051/0004-6361/201936505
BibTeX: Download
2019
- Brisbois, Chad, and Vikas Joshi. "Electron spectrum of the dragonfly pulsar wind nebula from X-ray to TeV." Proceedings of the 36th International Cosmic Ray Conference, ICRC 2019, Madison, WI Sissa Medialab Srl, 2019.
BibTeX: Download - Joshi, Vikas, and Harm Schoorlemmer. "Air shower reconstruction using HAWC and the Outrigger array." Proceedings of the 36th International Cosmic Ray Conference, ICRC 2019, Madison, WI Sissa Medialab Srl, 2019.
BibTeX: Download