CDA - Archive Services
 The Archive
 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
 Search and Retrieve Data
 Advanced Data Services
 Advanced Data Services
 Archive User Services
 Archive User Services
- Synopsis of Services
- Processing Status
- Special Requests
- Dataset Identifiers (DOIs)
- Contributed Datasets
- CXO Papers Repository
 Chandra Aggregated Datasets
 Chandra Aggregated Datasets
 Publishing Chandra Results
 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: 10.14.2
- CALDBVER: 4.12.2
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
Chandra Data Archive Services
    
The CDA provides a number of services to users other than for searching and retrieving Chandra data and other related products:
- Processing Status : Information on the processing status of Chandra observations
- Special Requests Form: Requests for services not available through standard interfaces such as requesting a custom dataset identifier; requesting a custom database query; and many others
- Digital Object Identifiers: Help for inserting Digital Object Identifiers (DOIs) in manuscripts: linking the data to the papers
- Contributed Datasets: Contribute the digital data behind the figures in your published papers
- Chandra Technical Papers: Links to full-length papers on Chandra instruments, operations and software.


 
 
