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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 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 TESS Cycle 1 Phase 1 Proposal Deadline Has Been Extended to October 6, 2017, 4:30 PM EDT (19 Sep 2017) To give more time to proposers who are without power because of Hurricane Irma, ROSES-17 Amendment 31 delays the Phase-1 proposal due date for this program element to October 6, 2017. Phase-1 proposals are due by 4:30 PM EDT on that day via the ARK/RPS web page. For full details on the TESS Cycle 1 program elements and how to submit proposals, please see the TESS proposers' information page. Swift Cycle 14 Deadline Has Been Extended to September 28, 2017, 4:30 PM EDT (18 Sep 2017) To give more time to proposers who are without power because of Hurricane Irma, ROSES-17 Amendment 30 delays the Phase-1 proposal due date for this program element to September 28, 2017. Phase-1 proposals are due by 4:30 PM EDT on that day via the ARK/RPS web page. For full details on the Swift Cycle 14 program elements and how to submit proposals, please see the Swift Cycle 14 information page at the top link and the Cycle 14 Frequently Asked Questions (FAQ). Star Formation in Nearby Clouds (SFiNCs) X-Ray Source Catalog (15 Sep 2017) This catalog of 15,364 X-ray sources detected in Chandra ACIS obsrervations of 22 nearby star-forming regions (SFRs), from Getman et al. 2017, ApJS, 229, 28, is now available in Browse and Xamin, as is the catalog of nearly 8500 probable cluster members of these SFRs (a 40% increase over the previous census) that was presented in the same paper. Reed Catalog of Galactic OB Stars (13 Sep 2017) This catalog of the photometric and spectroscopic properties of over 18,000 known or reasonably suspected OB stars in the Milky Way Galaxy, from Reed et al. 2005, AJ, 130, 1652 and Reed 2003, AJ, 125, 2531, is now available in Browse and Xamin. Viewing tool updated (12 Sep 2017) Support for XMM-Newton has been updated to work with the latest version of the ESA XMM-Newton Target Visibility Checker. NICER Featured on "Science in Seconds" (08 Sep 2017) NICER was featured on "Science in Seconds" a short introduction to NICER, with NASA Associate Administrator Dr. Thomas Zurbuchen and Dr. Rita Sambruna, NICER program scientist. [What is this?]