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

  • New Xamin Interfaces
  • Xamin Web InterfaceIntro   
    Our new faster and more powerful access to HEASARC data
    Xamin Batch InterfaceDownload   
    Use Xamin from the command line on your machine
  • Traditional Browse Interfaces   Tips Archive
  • Browse Mission Interface  
    Our traditional full-featured interface
    Browse Keyword Search
    Search-Engine-like query using keywords
    Browse Table Index
    List of all tables in the HEASARC database: if we don't have the one you want, ask us to add it
    Browse Correlation
    Cross-correlation of full tables
    Browse Notification Service
    Get notified when new data is available in the archive
    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
  • Chandra FOV Search
    (Currently unavailable due to updates)
    Search for targets within the active fields of view
    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
  • HTTP or FTP

    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

  • Swift CALDB Data updated (22 Apr 2019)
    The Swift XRT CALDB has been updated (CALDB update version 20190412).
  • XSPEC 12.10.1cde Patches Released (11 Apr 2019)
    Update (c) adds an optional argument to the PyXspec Fit.error() function to allow for error estimates on response parameters; (d) fixes a bug the rdblur, kdblur, kdblur2, and kerrconv convolution models; and (e) fixes a bug in the mdefine command.
  • XAMIN updated (11 Apr 2019)
    The HEASARC XAMIN archive interface has been updated to version 6.0a. This release has many changes associated with use of DataLink to extract data products. It has also been updated to minimize the chance of OutOfMemory errors.
  • NuSTAR CALDB Update (11 Apr 2019)
    The NuSTAR CALibration DataBase was updated on April 11, 2019 (CALDB version 20190410). This updates the NuSTAR clock correction file to version 92, valid through 2019-04-10.
  • Swift CALDB Data updated (08 Apr 2019)
    The Swift SC clock correction has been updated (CALDB update version 20190405).
  • 2019 NHFP/Einstein Postdoctoral Fellows Selected (5 Apr 2019)
    NASA has announced the selection of the 2019 NASA Hubble Fellowship Program (NHFP), which supports postdoctoral fellows performing research across all of NASA astrophysics. NHFP postdocs are named as Hubble, Einstein, and Sagan fellows, depending on their research topics. Awards support each Fellow through a U.S. Host Institution for up to three years. Full biographies and other information about this year's Fellows, including each Fellow's research plans, are available at this link.:
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    Last modified: Wednesday, 24-May-2017 12:39:54 EDT

    HEASARC support for unencypted FTP access will be ending possibly as early as July 31, 2019. Please see this notice for details.


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