Latest News Other Resources Archive Information

Access to the catalogs and astronomical archives of the HEASARC

Select an interface or start using our keyword search tool below.

HEASARC Data Access

  • Xamin Interfaces
  • Xamin Web InterfaceIntro   
    Our faster and more powerful access to HEASARC data
    Xamin Batch InterfaceDownload   
    Use Xamin from the command line on your machine
  • Browse Interfaces   Tips Archive
  • Browse Mission Interface  
    Our full-featured interface
    Browse Table Index
    Listing of all tables in the HEASARC database
    Browse Correlation of 2 Tables
    Correlation of more than 2 tables is available in Xamin
    Browse Notification Service
    Get notified when new data is available in the archive
    Use Xamin if you wish to monitor any query
    Browse Batch InterfaceDownload  
    Perl scripts (by default these now query Xamin database)

  • CMB Data
  • CMB Missions and Projects
    Data from space-bourne and suborbital CMB experiments in LAMBDA
  • Specialized Forms
  • Argus Proposal/Observation Info
    Search Browse proposal information for observation details and status
    Swift Data Query
    Search bursts and observations of the Swift mission

  • Direct Access to HEASARC Archive Directories
  • Command-Line Downloads
    Describes using our download script as well as wget and curl.

    If there is a published astronomical catalog that you would
    like added to the HEASARC, let us know.

    Browse Quick form divider

    Other Resources

    • SkyView - An easy-to-use tool that returns digital images of the sky in any waveband from radio through to gamma rays
    • VAO DataScope - Query catalogs and services from the HEASARC and from around the world using a single form
    • Literature - Links to literature search engines and online versions of refereed journals and science magazines

    Archive Information

    Latest News

  • Update to the NuSTAR FAQ for bright sources (2 Feb 2023)
    The NuSTAR FAQ entry "What do I do if I have a bright source?" has been updated to include additional guidance on the usage of the statusexpr keyword in NuSTARDAS.
  • NuSTAR Caldb Update (24 Jan 2023)
    The NuSTAR FPM caldb has been updated to version 20230124. This release includes a new clock correction file, v152. Please see the release notes for more details.
  • Swift SC CALDB updated (14 Jan 2023)
    The Swift SC caldb has been updated to version 20230109 ...
  • Viewing tool updated (09 Jan 2023)
    The Swift pole constraints have been updated in the Viewing tool. The revised coefficients extrapolate the trend for the next two years.
  • NuSTAR Caldb Update (29 Dec 2022)
    The NuSTAR FPM caldb has been updated to version 20221229. This release includes a new clock correction file, v151. Please see the release notes for more details.
  • NICER Cycle 5 Accepted Proposals and Targets Now Available (24 Dec 2022)
    The NICER mission is pleased to announce that the proposal selection process for Cycle 5 of the Guest Observer program is complete, with observations scheduled to begin no later than March 1, 2023. Documents listing selected proposals and approved targets have been posted to the HEASARC's NICER Proposals Page.
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    Last modified: Thursday, 17-Feb-2022 19:35:01 EST

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