Main Proposer Page

Call for Proposals, Cycle 20
The CXC is pleased to announce the release of the Cycle 20 Call for Proposals (CfP) inviting scientists to participate in the Chandra X-ray Observatory's science program. Last Updated 12/14/2017.

WHAT'S NEW | CfP


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