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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
  • If there is a table you'd like added to the HEASARC let us know.

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    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

  • xTime tool enhanced (01 Apr 2020)
    Support for INTEGRAL Julian Dates has been added. Also, xTime will now calculate time intervals (in days/hours/minutes/seconds, fractional days, and total seconds) between successive date/time conversions.
  • HEASoft 6.27 Released (31 Mar 2020)
    Released March 31, 2020. This release includes updates to NICER and NuSTARanalysis software only and other fixes/improvements. In particular CFITSIO now interprets parentheses in path names correctly which improves compatibility with files stored on cloud services.
  • 2020 NASA Awards Prize Postdoctoral Fellows Selected (30 Mar 2020)
    NASA has selected 24 new Fellows for its prestigious NASA Hubble Fellowship Program (NHFP). The program enables outstanding postdoctoral scientists to pursue independent research across NASA Astrophysics, using theory, observation, experimentation, or instrument development. Each fellowship provides the awardee up to three years of support. Full biographies and other information about this year's Fellows, including each Fellow's research plans, are available at this link.
  • INTEGRAL AO-18 Proposal Deadline Postponed (30 Mar 2020)
    The INTEGRAL AO-18 proposal submission deadline has been postponed from Friday, 3 April to Monday, 4 May 14:00 CEST as result of the COVID-19 crisis. ESA will continue to follow developments closely and may provide additional updates in the next weeks, at the latest by Monday, 20 April.
  • Swift-BAT 105-Month All-Sky Hard Band X-Ray Survey (SWBAT105M) released (27 Mar 2020)
    The SWBAT105M table includes hard X-ray sources detected in the first 105-months of observations with the BAT coded-mask imager on board the Swift observatory and provides 1632 (422 new detections) hard X-ray sources in the 14-195 keV band above the 4.8 sigma significance level. This catalog is now available in Browse and Xamin.
  • NICER follow-up observation and a candidate timing anomaly from Swift J1818.0-1607 (25 Mar 2020)
    NICER followup observations of the magnetar candidate Swift J1818.0-1607 imply a spin down age of 310 years based on the period derivative. This makes Swift J1818.0-1607 one of the youngest magnetars known.
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