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
    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

  • XSPEC 12.9.1i Patch Released (27 Jun 2017)
    Released on June 16, 2017. Fixes issue with multiple XSPEC log file open and close operations on Macs.
  • Chandra X-Ray Point Source Catalog for the Old Open Cluster Collinder 261 (15 Jun 2017)
    The catalog of 151 X-ray sources detected in a 53.8 ks observation of the 7-Gyr old open cluster Cr 261 by the Chandra ACIS instrument (from Vats & van den Berg 2017, ApJ, 837, 130) is now available in Browse and Xamin, as is the associated list of 135 optical counterpart candidates of 98 of these X-ray sources.
  • A New X-Ray Observatory is Launched: the Hard X-ray Modulation Telescope (HXMT) (15 Jun 2017)
    The Chinese X-ray observatory, HXMT (also known as Insight), was launched earlier today (3:00 UTC) on a Long March 4B rocket. This mission will perform the most sensitive all-sky survey to date in the hard X-ray (20-250 keV) energy band. It also has soft and medium X-ray (1 - 30 keV) detectors for pointed observations of such objects as X-ray binaries, AGN, SNRs, soft gamma repeaters, and clusters of galaxies. Congratulations to our Chinese colleagues!
  • NuSTAR CALDB Update (14 Jun 2017)
    The NuSTAR CALibration DataBase was updated on June 14, 2017 (CALDB version 20170614) This updates the NuSTAR clock correction file to version 72, valid through 2017-06-14.
  • NICER Installed on ELC2 (14 Jun 2017)
    As of June 14, NICER is installed on the ISS Express Logistics Carrier 2 Site 7, and power up of the instrument has begun.
  • Happy 5th Birthday to NuSTAR! (13 Jun 2017)
    The Nuclear Spectroscopic Telescope Array (NuSTAR) spacecraft was launched on a Pegasus XL rocket dropped from a Lockheed L-1011 "TriStar" aircraft flying over the Pacific Ocean near the Kwajalein Atoll on June 13, 2012. Since then it has made over 2100 hard X-ray observations in science mode which have yielded (to date) hundreds of refereed and other publications.
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    Last modified: Wednesday, 24-May-2017 12:39:54 EDT

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