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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

  • NuSTAR Stares Deep into Hidden Lairs of Black Holes (06 Jul 2015)
    Lansbury et al. (2015, ApJ, in press) have used NuSTAR and its hard X-ray capability to observe nine galaxies where supermassive black holes (SMBHs) were thought to be extremely active but largely obscured, at least in the soft X-ray band. Five of these candidates were found to contain hidden SMBHs, feasting on surrounding material. This study supports the theory that potentially millions of SMBHs exist in the universe hidden from view at most wavelengths.
  • Swift AGN & Cluster Survey (SACS) Total-Band (0.2-10 keV) Point Source Catalog (06 Jul 2015)
    This catalog of 22,563 Swift XRT point sources which were detected in the total X-ray band (0.2-10 keV) in 125 sq. degrees of serendipitous fields (from Dai et al. 2015, ApJS, 218, 8) is now available in Browse and Xamin, along with the catalogs of 17,748 soft-band (0.5-2.0 keV) point sources, 10,060 hard-band (2-10 keV) point sources and 442 soft-band (0.5-2.0 keV) extended sources which were presented in the same paper.
  • NICER Blanketeer Featured on CBSnews (06 Jul 2015)
    Paula Cain, who makes the blanket which will protect NICER, was featured on CBSnews.com.
  • NICER Project Systems Engineer Featured on nasa.gov (06 Jul 2015)
    Charles Baker, the Project Systems Engineer for NICER, was interviewed on nasa.gov.
  • NASA News Feature: Astronomers Predict Fireworks from A Rare Stellar Encounter in 2018 (04 Jul 2015)
    Astronomers are gearing up for high-energy fireworks coming in early 2018, when PSR J2032+4127, a stellar remnant the size of a city, 'meets' its companion, MT91 213, one of the brightest stars in our galaxy. The cosmic light show will occur when this pulsar discovered by Fermi reaches periastron in its orbit about its massive companion. Scientists plan a global campaign to watch the event, from radio wavelengths to the highest-energy gamma rays detectable.
  • NASA News Feature: NASA Missions Monitor a Waking Black Hole (02 Jul 2015)
    NASA's Swift satellite detected a rising tide of high-energy X-rays from the constellation Cygnus on June 15, just before 2:32 p.m. EDT. About 10 minutes later, the Japanese experiment on the ISS called the Monitor of All-sky X-ray Image (MAXI) also picked up the flare. The outburst came from V404 Cygni, a binary system located about 8,000 light-years away that contains a black hole. Every couple of decades the black hole fires up in an outburst of high-energy light, becoming an X-ray nova.
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    Last modified: Tuesday, 06-Aug-2013 10:35:29 EDT

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