Latest News

Other Resources

Archive Information

Access to the catalogs and astronomical archives of the HEASARC

Select an interface or start using our keyword search tool below. HEASARC Data Access Xamin Interfaces Xamin Web InterfaceIntro    Our faster and more powerful access to HEASARC data Xamin Batch InterfaceDownload    Use Xamin from the command line on your machine Browse Interfaces   Tips Archive Browse Mission Interface   Our full-featured interface Browse Table Index Listing of all tables in the HEASARC database Browse Correlation of 2 Tables Correlation of more than 2 tables is available in Xamin Browse Notification Service Get notified when new data is available in the archive Use Xamin if you wish to monitor any query 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 Argus Proposal/Observation Info 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 Command-Line Downloads Describes using our download script as well as wget and curl. Using HTTPS If there is a published astronomical catalog that you would like added to the HEASARC, let us know.

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 NuSTAR Caldb Update (31 May 2023) The NuSTAR FPM caldb was updated to version 20230530. This release includes a new clock correction file, v161. Please see the release notes for more details. IXPE on the cover of Nature Astronomy (26 May 2023) IXPE made the cover of the May 2023 edition of Nature Astronomy with a polarized view of the Crab. The work by Bucciantini et al. provides insight into the magnetic field morphology and the generation of turbulence in this young supernova remnant system. HEAD Spring 2023 newsletter released (25 May 2023) This newsletter is available now for your reading pleasure at your electronic HEAD newsstand ! Swift SC CALDB updated (17 May 2023) The Swift SC caldb has been updated to version 20230517 ... NuSTAR Caldb Update (16 May 2023) The NuSTAR FPM caldb was updated to version 20230516. This release includes a new clock correction file, v160. Please see the release notes for more details. Million Optical/Radio/X-Ray (MORX) Associations Catalog (15 May 2023) The Million Optical/Radio/X-Ray (MORX) Associations Catalog is a compendium of optical objects which are calculated as being associated with Chandra, XMM-Newton, Swift, or ROSAT X-ray sources, or with NVSS, FIRST, VLASS, LoTSS, RACS, or SUMSS radio sources or double radio lobes. The latest version (v2, 15 May 2023) of the Million Optical/Radio/X-Ray (MORX) Associations Catalog (Eric Flesch 2016 - 2023) is now available in both Browse and Xamin. This version contains over 3 million (3,101,306 to be exact) optical objects with probable radio/X-ray associations. [What is this?]