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
  • KML Browse Interface
    Map Browse sources in Google Sky and other KML services
    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

  • Viewing tool updated (17 Sep 2018)
    The Swift pole constraints have been updated in the Viewing tool. The revised coefficients extrapolate the trend for the next year. The Viewing tool now also can report a "preferred" visibility window for NICER observations, which has a Sun angle constraint of 60-180 degrees. (The nominal visibility window for NICER observations is unchanged.)
  • PIMMS updated to Version 4.9 (17 Sep 2018)
    Version 4.9 contains updates for NICER rate simulations and updated calibrations for XMM....
  • XAMIN updated (17 Sep 2018)
    The HEASARC XAMIN archive interface has been updated to version 5.3.1. This release includes improvements to VOTable output and other performance improvements
  • Chandra CALDB 4.8.0 installed at the HEASARC (14 Sep 2018)
    CalDB 4.8.0 is now installed and available at the HEASARC. Chandra 4.8.0 was released by the CXC on June 28, 2018.
  • Swift CALDB Data updated (14 Sep 2018)
    The Swift SC clock correction has been updated (CALDB update version 20180911).
  • The Million Quasars Catalog v5.3 available (13 Sep 2018)
    The Million Quasars Catalog (MILLIQUAS) has been updated to version 5.3 (12 September 2018). It contains 618,097 type-I QSOs and AGN, including sources from SDSS-DR14Q and LAMOST DR4, and ~1,320,000 high-confidence (80%+ likelihood) quasar candidates. This table is now available in Browse and Xamin.
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    Last modified: Wednesday, 24-May-2017 12:39:54 EDT

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