The following software is supported by the HEASARC. Most of this software
is designed for professional researchers and advanced students for the
analysis of scientific astronomical observations in
FITS format. The 'fv' program is also
suitable for more general use by
amateurs and educators for viewing astronomical image files. These
software packages are to be downloaded to the users machine. Web-based
tools are available on our tools
HEASARC Software Packages
FITSIO - A subroutine library for reading and writing
files for C and Fortran programmers.
FTOOLS - General
FITS file utility programs and mission-specific data analysis
FV - Interactive editor and viewer for astronomical
data files in FITS format.
Also provides access to Hera.
HEAsoft - A unified release of the FTOOLS and XANADU
Hera - Run the FTOOLS and XANADU software on the
Hera servers at the HEASARC, without having to install the
software packages locally.
Maki - Displays fields of view for various instruments on
FITS images. Currently supports the Suzaku XIS & HXD, Chandra
ACIS & HRC, XMM EPIC, and RXTE PCA detectors.
PIMMS - Program to estimate count rates from fluxes or
vice versa, or to estimate count rates in one instrument from those
measured in another.
Profit - GUI tool for visualizing and modeling
SAOImage DS9 - Astronomical Imaging and Data Visualization
Application: DS9 supports FITS images and binary tables, multiple
frame buffers, region manipulation, and many scale algorithms and
SkyView-In-A-Jar - Running SkyView
on your own computer.
XANADU - Suite of spectral (xspec), timing (xronos),
and image (ximage)
XSELECT - Multipurpose tool for filtering event files
and generating images, spectra, and light curves. Distributed as
part of the HEASARC package on the
XSTAR - Program for calculating physical conditions and
emission spectra in photoionized gases.
ASTRO-Update - Latest
Versions of Useful Multi-mission Software
FITS - Data Formats, Standards
and HEASARC Conventions for High-Energy Astrophysics Data
LAMBDA Toolbox -
Useful Software and Web Tools for Cosmic Microwave Backround and
HEASoft 6.24 Released (24 Apr 2018)
Released April 24, 2018. This release includes important bug fixes in the CFITSIO library, improvements to the NICER analysis software, improved
support for Ubuntu and Debian Linux, and other enhancements
XAMIN updated (24 Apr 2018)
The HEASARC XAMIN archive interface was updated to version 5.1 (1450/3907) on April 23. This version re-instates the "save to hera" functionality for on-line analysis of archived data using the Web Hera interface.
DS9 Updated to Version 7.6 (24 Apr 2018)
DS9 Version 7.6 was released on April 17. This version includes a new Windows 32/64 bit port, a new MacOS High Sierra port, support for HTTPS, and other improvements
CFITSIO Version 3.44 released (19 Apr 2018)
Version 3.44 released April, 2018 to enhance security. CFITSIO users are strongly encouraged to upgrade to version 3.44...
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