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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

  • 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

  • Swift CALDB Data updated (03 Aug 2015)
    The Swift Caldb has been updated for the XRT (update version 20150721) and the UVOTA (update version 20150717)...
  • Physics of the Cosmos (PCOS) Newsletter (03 Aug 2015)
    The PCOS Program Office is pleased to announce that the August 2015 PCOS Newsletter is now available, including updates on LISA Pathfinder (LPF), Athena and Euclid, and a message from Paul Hertz, the Director of NASA's Astrophysics Division.
  • NASA Selects Proposals to Study Neutron Stars, Black Holes and More (31 Jul 2015)
    NASA has selected five proposals submitted to its Explorers Program to conduct focused scientific investigations and develop instruments that fill the scientific gaps between the agency's larger missions. The selected proposals, three Astrophysics Small Explorer missions (PRAXyS, IXPE and SPHEREX) and two Explorer Missions of Opportunity, will study polarized X-ray emissions from neutron star-black hole binary systems, the exponential expansion of space in the early universe, galaxies in the early universe, and star formation in our Milky Way galaxy.
  • HEASoft 6.17, XSPEC 12.9.0 released (30 Jul 2015)
    Released July 29, 2015; primarily driven by updates to the NuSTAR and Swift/XRT software, but also includes updates to other packages which have been revised to mirror the current development versions in use at the HEASARC. XSPEC version 12.9.0 also released as part of HEASoft 6.17....
  • VLA Gould's Belt Survey Taurus-Auriga Complex Source Catalog (29 Jul 2015)
    This catalog listing the radio properties and counterpart information for 610 sources detected by the JVLA at 4.5 and/or 7.5 GHz in large-scale (127 different target fields), deep (~18-25 microJy) observations of the Taurus-Auriga complex (from Dzib et al. 2015, ApJ, 801, 91) is now available in Browse and Xamin.
  • Pulsar Punches Hole In Stellar Disk (28 Jul 2015)
    The double star system PSR B1259-63/LS 2883 contains a star about 30 times as massive as the Sun and a pulsar. According to Pavlov et al. (2015, ApJ, 806, 192) the fast-moving pulsar in this binary appears to have punched a hole in a disk of gas around its companion star and launched a fragment of the disk outward at an average speed of 7 per cent of the speed of light. Chandra is tracking this cosmic clump, which appears to be picking up speed as it moves out.
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