Chandra CalDB version 4.9.7 released to the public

This upgrade includes the following items:
* ACIS T_GAIN updates affecting recent OBS_IDs (since 2021-05-02T12:00:00).
* ACIS focal plane temperature (FP_TEMP) boundary condition upper and lower limit changes

Read the full announcement.

03/24/22

HRC Anomaly: Update

Update: On May 19, a real-time procedure was executed to power on the HRC A-side electronics to collect additional diagnostic information. The procedure ran nominally and investigations continue on potential approaches for re-enabling the HRC for science observations.

Read the full update announcement as well as the Feb 20 update and the original announcement.

6/3/22

Release of the Sherpa 4.14.1 package for Python

The release of Sherpa includes various documentation updates, bug fixes, and infrastructure changes. Click here for detailed release notes and for installation instructions click here.

Read the full announcement.

5/20/22