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Access to the catalogs and astronomical archives of the HEASARC

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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 Observation Monitor
    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
  • If there is a table you'd like added to the HEASARC let us know.

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    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

  • NICER is Back in Operation (21 Oct 2019)
    NICER is operating normally after stowing for last week's ISS operations.
  • SkyView v3.5.0: Compound surveys (17 Oct 2019)
    We announced a test release of SkyView v3.4.5 a few weeks ago, but in trying out the new version we recognized that it did not do what we wanted. In particular we had added new surveys that were the Stokes ... Continue reading ...
  • NuSTAR CALDB Update (16 Oct 2019)
    The NuSTAR CALibration DataBase was updated on October 16, 2019 (CALDB version 20191008). This updates the NuSTAR clock correction file to version 96, valid through 2019-10-08.
  • NICER Stowed Due to ISS Operations (15 Oct 2019)
    In support of ISS operations, NICER has been stowed since Sunday, October 13. As a result, NICER is not currently taking requests for Target of Opportunity observations. We anticipate that NICER observations will resume as soon as the ISS operations are completed.
  • NICER observations of the X-ray transient MAXI J1807+132: flaring activity (08 Oct 2019)
    NICER has been monitoring the X-ray transient MAXI J1807+132 regularly since September 16. During this time, NICER detected brief, sudden episodes of X-ray brightening which may be analogous to similar flaring behavior seen near the end of the 2017 outburst of the source.
  • Fermi Science Tools Updated (07 Oct 2019)
    The FermiTools (formerly the SAE) were updated to version 1.2.1 on October 4, 2019. This release contains a major update to the implementation of the energy dispersion correction method in the Fermitools. It also includes new tool called gtdrm that estimates the energy dispersion matrix for the energy binning, and fixes a bug which was preventing updated parameter files from installing.
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