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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 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 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 Command-line downloads Describes using our download script as well as wget and curl. Using HTTPS If there is a table you'd 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 HEASoft 6.29c now available on SciServer (14 Oct 2021) HEASoft 6.29c, along with ciao 4.13, XMM SAS v19, and Fermitools 2.0.8 is now available on the SciServer virtual science platform. SciServer provides a powerful data analysis environment with access to the entire HEASARC archive mounted locally, allowing users to analyze HEASARC data without having to install software. NuSTAR Caldb Update (06 Oct 2021) The NuSTAR FPM caldb has been updated to version 20211004. This release includes a new clock correction file, v125. Please see the release notes for more details. The NICER Enhanced Visibility Calculator Released (05 Oct 2021) The NICER Enhanced Visibility Calculator calculates NICER visibilities for targets over roughly the next 2-week period taking into account ISS orientation and target occultation by ISS structures, and other relevant constraints. These visibility intervals are more accurate than visibilities based solely on Sun and Moon avoidance Fermi LAT Long-Term Transient Source Catalog (29 Sep 2021) The First Catalog of Long-Term Transient Sources detected by Fermi Large Area Telescope (LAT) comprises of 142 unique, transient sources that were detected on monthly time intervals during Fermi-LAT operations. The monthly time scale allows to identify transient and variable sources that were not yet reported in other Fermi-LAT catalogs. This catalog is now available in Browse and Xamin. NASA Hubble Fellowship Program (NHFP) Now Accepting Applications (29 Sep 2021) The NHFP supports promising postdoctoral scientists performing independent research that contributes to NASA Astrophysics. The research may be theoretical, observational, and/or instrumental. The Announcement of Opportunity, which includes detailed program policies and application instructions, is available at the website. The application submission page will be open from September 2 until November 4, 2021. XSPEC 12.12.0c-e Patch Released (29 Sep 2021) Fix to issue with smaug model, minor fixes to the kerrconv and refsch models, several modifications to the XSPEC model.dat model definitions file [What is this?]