The Chandra X-ray Observatory continues to operate as usual during the COVID-19 pandemic.

Update on Chandra X-ray Observatory Anomaly

On November 23, 2020, the High Resolution Camera (HRC) officially resumed its full science operations.

Full Press Release

12/09/20

CIAO Workshop

Members of the Chandra X-Ray Center (CXC) will host an online two day Chandra/CIAO workshop prior to the virtual AAS 237 meeting on Jan 7-8, 2021.

Read the full announcement.

12/04/20

CSC 2.0.1 Release

Release 2.0.1 of the Chandra Source Catalog updates variability properties to resolve two issues detected in release 2.0.

Read the full announcement.

11/24/20

Cycle 23
Call for Proposals
Chandra Proposers' Observatory Guide
CIAO
Release 4.13

Chandra Portal

Proposer

Main Proposer Page

Chandra Proposal Software (CPS)

Proposal FAQ

DDT and TOO

ObsVis

PRoVis

Observations and Schedules

Long Term Schedule

Short Term Schedule

Observation Scheduling and Support

Cycle Targets and Statistics

Special Calls for Proposals

Archive and Data Processing

ChaSeR: query Chandra observations

Chandra Data Archive

Footprint Service

Reprocessing Information

Chandra Source Catalog

TGCAT: Grating Data Catalog and Archive

Data Analysis

CIAO Software Package

Data Analysis Threads

Sherpa Modeling and Fitting

Sherpa on Github

Contributed/Related Software

Calibration Database

User Community

Chandra Users' Committee (CUC)

NASA Hubble Fellowship Program

Announcements

Visit Collaborators at the CXC

Workshops and Symposia

Peer Review Website

Publications

Newsletters

Chandra Bibliography Search

Chandra Bibliography Statistics

Press Releases

Press Release Guidelines

Hyperwall Talks