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 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
  • Command-line downloads
    Describes using our download script as well as wget and curl.

    If there is a table you'd 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

  • ARK/RPS Downtime Scheduled for 2021-02-24 Completed (24 Feb 2021)
    The scheduled maintenance for the ARK database has completed, and ARK/RPS is fully operational. If you encounter any issues, please contact the ARK Help Desk.
  • NuSTAR Caldb Update (23 Feb 2021)
    The NuSTAR FPM caldb has been updated to version 20210210. This release includes a new clock correction file, v116, along with new alignment files and a new beryllium window file. Please see the release notes for more details.
  • ARK/RPS Downtime Scheduled for 2021-02-24 (23 Feb 2021)
    ARK/RPS will be down for maintenance starting on Wednesday, February 24, 2021, at ~2:30pm EST (19:30 UTC). It should be back up within an hour. We apologize for any inconvenience.
  • Fermi Cycle-14 Proposal Deadline Extension (21 Feb 2021)
    Owing to the severe weather situation and power outages in Texas and other areas, NASA has decided to postpone the Fermi Cycle-14 proposal deadline until 16:30 PM EST March 1, 2021. Please refer to the Fermi website for more information.
  • Resumed NICER observations of the magnetar SGR 1830-0645 (19 Feb 2021)
    NICER has resumed observation of the magnetar SGR 1830-064 since it emerged from sun constraint on February 10. NICER shows that the source flux decay has flattened compared to values early in the outburst.
  • Updated Million Quasars Catalog (v7.1) (18 Feb 2021)
    The latest version (v7.1, 14 Feb 2021) of the Million Quasars (MILLIQUAS) Catalog (Eric Flesch 2009 - 2021) containing more than a million (1,548,897 to be exact) likely quasars is now available in both Browse and Xamin.
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    Last modified: Wednesday, 24-May-2017 12:39:54 EDT

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