These Web-based tools are designed to assist
scientists in their proposal and general data analysis efforts. The
HEASARC provides these tools as a service to the scientific community.
(HEASoft/FTOOLS, a general
library of
FITS file utility programs and
mission-specific data analysis tools can be found on our
Software page.)
Bibliography
– Bibliographic references to HEASARC services and missions
Viewing tool updated(27 Feb 2024)
The Sun angle constraint has been updated in the Viewing
tool for the IXPE mission.
Viewing tool updated(29 Jan 2024)
The Swift pole constraints have been updated in the Viewing
tool. The revised coefficients extrapolate the trend for the next two
years.
XRISM Roll Angle tool released(08 Jan 2024)
This new tool can determine the range of possible roll angles
for a XRISM observation of a target or the time constraints for a
roll-constrained XRISM observation of a target.