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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 in the HEASARC database: if we don't have the one you want, ask us to add it 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 (Currently unavailable due to updates) 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

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 Documentation for the HEASARC Database System - General description of the database system and a description of the TDAT format used to serialize data and metadata for HEASARC catalogs

Latest News Swift CALDB Data updated (17 Nov 2018) The Swift SC clock correction has been updated (CALDB update version 20181114). Fermi LAT CALDB update (08 Nov 2018) The Fermi LAT CALDB has been updated (update version 1.0.0). This is the first version of the LAT caldb which is released through github and available via the Fermi Science tools using the new conda installation. See the FermiTools wiki for details. NICER XTI CALDB Updated (07 Nov 2018) The NICER XTI caldb has been updated to version 20181105. NuSTAR CALDB Update (31 Oct 2018) The NuSTAR CALibration DataBase was updated on October 31, 2018 (CALDB version 20181030). This updates the NuSTAR clock correction file to version 87, valid through 2018-10-30. Canis Major OB1 XMM Source Catalog (29 Oct 2018) This catalog provides the XMM properties for 387 detected sources along with ages and masses for matched NIR counterpart candidates in the associated table, as published in Santos-Silva et al., 2018. Both tables are now available in Browse and Xamin. Fermi Analysis Tools Updated (29 Oct 2018) The FSSC is pleased to announce the availability of a new version of the Fermi Science Tools, 1.0.0, released on October 15, 2018. This version corresponds to v11r06p03, but is now distributed via the Conda package management system. Please see the FermiTools Installation instructions for detailed information. [What is this?]