CDA - News Item 008
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- The archive is fully functional.
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Reprocessing IV has been completed in December 2014.
- ASCDSVER: 10.13
- CALDBVER: 4.11.5
- 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Chandra/Hubble Deep Field North (Superseded)
The data from the Chandra/Hubble Deep Field North are public as of 20 April 2001. Click for PostScript image.
For convenient download, we have pre-packaged the data products in the following three tar files and a Verification & Validation directory.
Note: The 12 ObsIds have been merged into single event and image files, after careful alignment and reprojection to a common coordinate system. Hence, these products differ from what one would get by downloading the individual ObsIds' products.
Note that these files are free from any alignment errors and that the absolute coordinates are believed to be correct.
[In order not to exceed a 2GB file size, the Level 1 event files are packaged into two files.]
| File | Size (MB) | Contents |
|---|---|---|
| cdfn_p_l2.tar | 134 | Primary products: Level 2 |
| cdfn_p_l1.tar | 1756 | Primary products: Level 1 |
| cdfn_s.tar | 227 | Secondary products |
| V&V directory | 0.1 | V&V reports |
We have also pre-packaged the data products in single tarfiles by ObsId.
The CDFN comprises the following observations (click on the ObsId to retrieve the data, on the SeqNum to see the image):
| ObsId | Size (MB) | SeqNum | Source | Exposure (ks) |
|---|---|---|---|---|
| 580 | 132 | 900001 | HUBBLE DEEP FIELD | 50.067 |
| 966 | 156 | 900026 | HUBBLE DEEP FIELD | 58.182 |
| 967 | 153 | 900027 | HUBBLE DEEP FIELD | 58.170 |
| 957 | 138 | 900024 | HUBBLE DEEP FIELD | 58.179 |
| 2344 | 259 | 900030 | HDF NORTH | 91.999 |
| 2386 | 21 | 900030 | HDF NORTH | 9.973 |
| 1671 | 343 | 900030 | HDF NORTH | 169.046 |
| 2232 | 271 | 900059 | HDF-N | 130.953 |
| 2421 | 133 | 900061 | HDF-N | 62.465 |
| 2234 | 358 | 900061 | HDF-N | 168.000 |
| 2423 | 146 | 900060 | HDF-N | 69.325 |
| 2233 | 146 | 900060 | HDF-N | 63.900 |
