Cycle 21 Call for Proposals Released

The CXC is pleased to announce the release of the Chandra Cycle 21 Call for Proposals (CfP). The Call for Proposals, the Proposers' Observatory Guide (POG), proposal planning software, and general information are posted on the "Proposer" web page.


Read the full announcement here

12/13/18

CIAO 4.11, Chandra CALDB 4.8.2, DS9 8.0, MARX 5.4.0 released

The Chandra X-ray Center (CXC) is pleased to announce that version 4.11 of CIAO and version 4.8.2 of Chandra CALDB are available for download. Version 8.0 of SAOImage DS9 is included as part of the CIAO installation or can be installed as a stand-alone. Version 5.4.0 of MARX can be installed as part of the CIAO installation or separately.


Read the full announcement here

12/13/18

New Chandra Proposal Software (CPS)

The Chandra Director's Office invites proposers to create an account in the new Chandra Proposal Software (CPS), which will be used by Chandra General Observers for the first time in Cycle 21.
Read the full announcement here.

11/16/18