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

  • 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 Proposal/Observation Info
    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
  • Command-Line Downloads
    Describes using our download script as well as wget and curl.

    If there is a published astronomical catalog that you would
    like added to the HEASARC, let us know.

    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 XRT CALDB updated (12 Aug 2022)
    The Swift XRT caldb has been updated to version 20220803 ...
  • EFEDSMAIN - eROSITA Main X-ray (0.2 -2.3 keV) Source Catalog Released (5 Aug 2022)
    SRG/eROSITA performed scanning observations of the ~140 square degrees eROSITA Final Equatorial Depth Survey (eFEDS) field as part of its performance verification phase. The eROSITA main X-ray source catalog (EFEDSMAIN) presents the primary catalog of 27,910 X-ray sources, including 542 with significant spatial extent, detected in the 0.2-2.3 keV energy range. The associated eROSITA Hard X-ray source catalog (EFEDSHARD) table presents the hard band sample of 246 sources detected in the energy range 2.3-5.0 keV. Both are now available in both Browse and Xamin.
  • ETACHAMAIN - Eta Chamaeleontis eROSITA EDR Field X-Ray (0.2-2.3 keV) Source Catalog Released (5 Aug 2022)
    The nearby young open cluster eta Chamaeleontis was observed by eROSITA/SRG during its performance verification phase for 150 ks. This table contains the "main" (0.2-2.3 keV) catalog of the X-ray sources in the eta Chamaeleontis field (ETACHAMAIN), which is released along with the associated "hard" (2.3-5.0 keV) catalog (ETACHAHARD). Both are now available in both Browse and Xamin.
  • NuSTAR Caldb Update (02 Aug 2022)
    The NuSTAR FPM caldb has been updated to version 20220802. This release includes a new clock correction file, v143. Please see the release notes for more details.
  • 2022 NICER Proposal and Science Workshop, Aug 31-Sep 1 (28 Jul 2022)
    In anticipation of the Cycle 5 proposal deadline (Sep 14, 2022). the NICER project will hold a Proposal and Science workshop highlighting the technical and scientific capabilities and strength of the NICER mission. The workshop will be held virtually on August 31st and September 1st, 09:00-11:00 and 14:00-16:00 EDT. Registration is free.
  • XMMSTACK- XMM-Newton Serendipitous Source Catalog from Stacked Observations (4XMM-DR12s) Released (28 Jul 2022)
    The stacked catalog (XMMSTACK) and associated observation data ( XMMSTACKOB) offer new versions of the stacked catalog built from 9,355 4XMM-DR12 overlapping observations. XMMSTACK contains 1,620 stacks (or groups). The catalog contains 386,043 sources, with each observation also provided in the associated XMMSTACKOB table. Both are now available in both Browse and Xamin.
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    Last modified: Thursday, 17-Feb-2022 19:35:01 EST

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