The CXC is pleased to announce the release of the Chandra Cycle 22 Call for Proposals (CfP). The Call for Proposals, Proposers' Observatory Guide (POG), proposal planning software, and general information are posted on the "Proposer" web page. Proposals are due: Tuesday, 17 March 2020 at 6PM (US Eastern Daylight Time)

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12/17/19

Beginning on Dec 17, 2019 we will not be using RPS to receive DDT proposals.
All new DDTs/Unanticipated TOOs should be submitted using DDT CPS.
TOOs accepted by the Peer Review will continue to be triggered using the TOO Trigger Form.

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12/17/19

Version 4.12 of CIAO ("Chandra Interactive Analysis of Observations") and version 4.9.0 of Chandra CALDB ("Calibration Database") are available for download.
Version 8.1 of SAOImage DS9 is included as part of the CIAO installation. It can also be downloaded and installed as a stand-alone application. Version 5.5.0 of MARX (the Chandra on-orbit performance simulator) can be installed as part of the CIAO installation or separately.

Read the full announcement here.

12/17/19