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Astrophsyics

Cosmic Ray Science Interest Group

The goals of the Cosmic Ray Science Interest Group (CR SIG) are to provide quantitative metrics and assessments to NASA in regard to current and future needs of the cosmic-ray astrophysics community and to act as a focal point and forum for the cosmic ray community.

CR SIG will work towards producing a white paper covering:

  • the major open science questions
  • a brief survey of the current and planned, US and International, space and ground-based projects—their energy coverage (from about 108 eV to 102 eV), sky coverage, and particle type coverage (electrons, positrons, nucleons, anti-nucleons, nuclei, anti-nuclei, neutrinos, and new particles)
  • a survey of the state-of-the-art capabilities, the next generation technology needs, and potential science return from new technologies and capabilities
  • a vision for the future of cosmic ray science in space
  • The CR SIG is open to all members of the community.

    If you are interested in contributing to the work of the CR SIG, please subscribe using the link below. For other inquiries, email co-Chairs Andrew Romero-Wolf (JPL) at andrew.romero-wolf@jpl.nasa.gov and Athina Meli (North Carolina Agricultural & Technical State Univ.) at ameli@ncat.edu.

    CR SIG Mailing List

    Subscribe to the CR SIG mailing list.

    CR SIG Events

  • Upcoming Meetings


  • Previous Meetings
  • Previous CR SIG Chairs

    NameInstitutionSIG/SAGTerm
    Marcos SantanderUniv. of AlabamaCR SIG / GR SIG2018–2021
    Abigail ViereggUniv. of ChicagoIP SIG / CR SIG2017–2020
    Jim BeattyOhio State Univ.CR SIG2016–2019
    Igor MoskalenkoStanford Univ.CR SIG2016–2018
    Eun-Suk SeoUniv. of MarylandCR SIG2014–2016
    Angela OlintoUniv. of ChicagoCR SIG2012–2015

    NASA Missions Study What May Be a 1-In-10,000-Year
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    On Sunday, Oct. 9, 2022, a pulse of intense radiation swept through the solar system so exceptional that astronomers quickly dubbed it the BOAT – the brightest of all time. The source was a gamma-ray burst (GRB), the most powerful class of explosions in the universe. Read more.


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  • 23 March
    Physics of the Cosmos Activities at HEAD 2023 »  Details.
    23 March
    High Energy X-ray Probe Splinter Session at HEAD 2023 »  Details.
    23 March
    STAR-X Special Community Session at HEAD Meeting in Hawaii, 28 March 2023 »  Details.
    23 March
    ROSES-22: Astrophysics Decadal Survey Precursor Science Proposal Due Date Delay »  Details.
    23 March
    National Academies’ Space Science Week 28–29 March 2023 »  Details.
    23 March
    NASA Astrophysics Advisory Committee Spring Meeting 29–30 March 2023 »  Details.
    21 March
    Science Mission Directorate Budget Community Town Hall 23 March 2023 »  Details.
    21 March
    NOIRLab Call for Proposals for Semester 2023B, Including NN-EXPLORE Proposals »  Details.
    21 March
    Call for Proposals for the NASA Infrared Telescope Facility »  Details.
    21 March
    Arcus Probe Community Science Meeting 4-5 May »  Details.
    21 March
    NASA SMD Seeking Volunteer Reviewers for Research Proposals »  Details.
    6 March
    First COSI Data Challenge Released »  Details.
    6 March
    Stellar Intensity Interferometry Workshop 22–24 May 2023 »  Details.
    6 March
    Habitable Worlds Observatory hybrid workshop 8–10 August 2023 »  Details.
    1 March
    The AGN Vision Series »  Details.
    1 March
    ROSES-23 Released »  Details.
    7 February
    NASA Astrophysics Division Statement of Principles »  Details.
    7 February
    Minority University Research and Education Project (MUREP) Women’s Colleges and Universities (MUREP WCU) »  Details.
    25 January
    Upcoming Student/Postdoc Opportunities at NASA »  Details.
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