The CXC is pleased to announce the release of the Chandra Cycle 27 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.

See the full announcement for more detail.

12/19/24

Please be advised that neither the Chandra X-Ray Center nor NASA are affiliated with any publications or special journal editions celebrating the "25th Anniversary of Chandra and XMM-Newton." Any such publications are produced independently and without the involvement of the Chandra X-Ray Center.

4/24/24

Release 2.1 of the Chandra Source Catalog (CSC 2.1) is now available. The catalog covers roughly 730 square degrees of sky and contains 407,806 unique X-ray sources.

See the full announcement for more detail.

4/2/24