CDA - Search and Retrieval Options
- ChaSeR
- Chandra Source Catalog ♦ CSCview
- Chandra Footprint Service
- Request for Acknowledgement
@ChandraArchive
The Archive
- Public Data
- Proprietary Data
- Repro III
- Repro IV
- Repro V
- Privacy Impact Assessment
- Release Notes
- Documentation
- Archive Operations Team
Search and Retrieve Data
Advanced Data Services
Archive User Services
- Synopsis of Services
- Processing Status
- Special Requests
- Dataset Identifiers (DOIs)
- Contributed Datasets
- CXO Papers Repository
Chandra Aggregated Datasets
Publishing Chandra Results
Data Analysis Links
CDA Status
- The archive is fully functional.
Reprocessing Status
-
Reprocessing IV has been completed in December 2014.
Current Software Releases
- ASCDSVER: 10.13
- CALDBVER: 4.11.6
Announcements
- Electrical Outage 11/05/21 - 11/06/21
2021-11-05
There will be a planned electrical outage Friday, November 5 2021, 5:30PM - Saturday, November 6 2021, 6:00PM EDT. During this time period ChaSeR and other archive interfaces will be unavailable. - Electrical Outage on 07/28/21
2021-07-26
There will be a planned electrical outage Wednesday, July 28 2021, 8:00PM - 10:00PM EDT. During this time period ChaSeR and other archive interfaces will be unavailable. - Downtime on 6/12/21
2021-06-10
Due to electrical work, the public interfaces of the Chandra Data Archive will not be available on Saturday 6/12 from 4 AM to 9 PM. - Repro V Begins
2020-10-26
The fifth major reprocessing of the archive (Repro V) has started! Details can be found here. - Past Notices
Search and Retrieve Chandra Data Products
The CDA has a variety of tools available for accessing Chandra data:
- ChaSeR
-
A web-based application providing access to proprietary and public data. Search criteria must be entered individually, but ChaSeR provides the most detailed search results, including quick-look images, V&V reports, and links to processing status and publications tracked by the CDA operations group. Data packages are downloaded to an https staging area.
- FTP
- The primary and secondary data products of all public Chandra observations accessible from an HTTPS site
- Chandra Fast Image A simplified interface that allows the general public as well as professional astronomers quick access to images and event files
