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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

  • New and Updated Databases
  • Deleted Databases
  • Data restoration status of all data sets available from the HEASARC
  • Bibliography/Archive cross-reference status of HEASARC data sets with ADS-listed publications
  • Science results that used HEASARC data
  • The HEASARC Cookbook - how to find, download, and analyze data
  • Open Archive Policy - find out how you can integrate HEASARC resources into your Web site
  • Latest News

  • News Article: Pulsar's Unusual Behavior May Help Scientists Understand Their Fundamental Structure (30 Jun 2015)
    Using data from Swift and RXTE, a team led by Frank Marshall of NASA/GSFC observed that the pulsar B0540-69 radically changed the rate at which its rotation rate slowed after 12 years of a steady decline. There is not enough data yet to classify the pulsar as intermittent, but the article notes that the behavior of this object may help solve the fundamental questions about what is inside them and why they shine at all.
  • Press Release: NASA Simulation Suggests Black Holes May Make Ideal Dark Matter Labs (28 Jun 2015)
    A new computer simulation by Jeremy Schnittman of NASA/GSFC shows that dark matter particles colliding in the extreme gravity of a black hole can produce strong, potentially observable gamma rays. Detecting this emission would provide a new tool for understanding both black holes and the nature of dark matter, the elusive substance accounting for most of the mass of the universe.
  • Stage-I Selections for the Fermi Cycle-8 GI Program Completed (27 Jun 2015)
    The stage-I selections for the Fermi Cycle-8 Guest Investigator Program have now been completed. The list is available here. The selection letters and peer evaluations will be distributed in the near future.
  • Fermi LAT Pass 8 data now available (25 Jun 2015)
    Fermi LAT Pass 8 data is now available from the Fermi Science Support Center's LAT data servers. The Pass 8 LAT data includes a number of improvements over the reprocessed Pass 7 data. Improvements include a better PSF, improved energy measurement, and increased acceptance across the whole energy band. As of the Pass 8 release date (June 24, 2015), reprocessed Pass 7 data is no longer available from the LAT data servers. Details can be found here.
  • Fermi Science Analysis Environment Updated for LAT Pass 8 Data (25 Jun 2015)
    The FSSC is pleased to announce the availability of a new version of the Fermi Science Tools, v10r0p5, released on June 24, 2015. This version includes support for pass 8 processed data and must be used in order to analyze pass 8 data. Details and software download can be found here.
  • NuSTAR CALDB Update (22 Jun 2015)
    The NuSTAR CALibration DataBase was updated on June 22, 2015 (CALDB version 20150612). This updates the NuSTAR clock correction file to version 49 (good through June 12, 2015).
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    Last modified: Tuesday, 06-Aug-2013 10:35:29 EDT

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