- 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
NuSTAR Cycle 6 Proposal Deadline is Near, Proposals MUST be Anonymized (17 Jan 2020)
Phase-1 science proposals are due by 4:30 p.m. EST, January 24, 2020. Please see the
Guide for Proposers and the
Guidelines for Anonymous Proposals for more details.
Swift CALDB Data updated (08 Jan 2020)
The Swift SC clock correction file has been updated (CALDB update version 20200106).
NuSTAR CALDB Update (19 Dec 2019)
The NuSTAR CALibration DataBase was updated on December 19, 2019 (CALDB version 20191219). This is a patch release for update 20191213.
Chandra Source Catalog v2 (CSC) Released (19 Dec 2019)
The Chandra Source Catalog (CSC) is the definitive catalog of X-ray
sources detected by the Chandra X-ray Observatory. By combining
Chandra's sub-arcsecond on-axis spatial resolution and low
instrumental background with consistent data processing, the CSC
delivers a wide variety of uniformly calibrated properties and
science ready data products for detected sources over four decades
of flux. The second major release of the catalog, CSC 2.0, includes measured properties for 317,167 unique compact and extended X-ray sources in the sky, allowing statistical analysis of large samples, as well as individual source studies in the "Master Sources" table, available in Browse and
HEAD Fall 2019 newsletter released (19 Dec 2019)
This newsletter is available now for your reading pleasure at your electronic HEAD newsstand !
ARK/RPS Downtime Scheduled for 2019-12-18 Completed (18 Dec 2019)
The scheduled maintenance for the ARK database has completed,
and ARK/RPS is fully operational. If you encounter any issues, please contact
the ARK Help Desk.
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