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 for each mission
    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
    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

  • Record-Breaking Galaxy Cluster Discovered (30 Aug 2016)
    A new record for the most distant galaxy cluster has been set using NASA's Chandra X-ray Observatory and other telescopes. This galaxy cluster called CL J1001+0220 may have been caught right after birth, a brief, but important stage of evolution never seen before. It is located about 11.1 billion light years from Earth. The discovery of this object pushes back the formation time of galaxy clusters by about 700 million years. A paper on these results has just appeared in ApJ and is available online here.
  • Fifth IBIS/ISGRI Soft Gamma-Ray Survey Catalog (30 Aug 2016)
    The fifth version of the IBIS/ISGRI source catalog containing the soft gamma-ray properties of 939 sources found in the first 1000 orbits (~3000 days) of INTEGRAL obsdervations (from Bird et al. 2016, ApJS, 223, 15) is now available in Browse and Xamin.
  • Chandra Deep Field North 2-Megasecond Improved Point Source Catalog (25 Aug 2016)
    This catalog containing the X-ray and multiwavelength properties of 755 X-ray sources found in a new analysis of the CDF-N Field 2-Ms data (from Xue et al. 2016, ApJS, 224, 15) is now available in Browse and Xamin.
  • XMM-Newton AO-16 Solicitation Released (23 Aug 2016)
    XMM-Newton observing proposals are solicited in response to the Fourteenth Announcement of Opportunity.
  • SkyView v3.2.0 Preview: Summary (18 Aug 2016)
    Next week we will be releasing version 3.2.0 of SkyView. You can play with it right now if you specify the version v3.2.0 in the SkyView URL, but it’s still being tested. There are several major changes in this release … Continue reading
  • A Black Hole Story Told by a Cosmic Blob and Bubble: The Mystery of Hanny's Voorwerp (10 Aug 2016)
    Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy. Using data from the Chandra X-ray Observatory and other telescopes, Lia Sartori and colleagues are piecing together clues from a cosmic 'green blob' (dubbed Hanny's Voorwerp) and a gas bubble in the nearby galaxy IC 2497 that could be a new way to probe the past activity of a giant black hole and its effect on its host galaxy. A paper on these results recently appeared in MNRAS and is available online here.
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