Chandra Cycle 20 Call for Proposals

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

Previous Cycles' CfPs

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

The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.
Helpdesk or Email: cxchelp@cfa.harvard.edu
Smithsonian Institution, Copyright © 1998-2018. All rights reserved.
For Employees

Previous Cycles' CfPs

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

The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Helpdesk or Email: cxchelp@cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2018. All rights reserved. For Employees

The Chandra X-Ray Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory.
60 Garden Street, Cambridge, MA 02138 USA.
Helpdesk or Email: cxchelp@cfa.harvard.edu
Smithsonian Institution, Copyright © 1998-2018. All rights reserved.
For Employees