Main Proposer Page

Call for Proposals, Cycle 23

The CXC is pleased to announce the release of the Cycle 23 Call for Proposals (CfP) inviting scientists to participate in the Chandra X-ray Observatory's science program.


Last Updated 12/16/2020.


Previous Cycles' CfPs

Submit a Helpdesk request to have a hardcopy of the Call for Proposals mailed to you.