Open Access
Table 1
Chandra and XMM-Newton observations of selected sources.
| Name | Instrument | ObsID | Exp. time(a) | Start time (UT) | End time (UT) | MJD (days)(b) |
|---|---|---|---|---|---|---|
| CAL 83 | RGS | 0123510101 | 45.1 | 2000 Apr. 23 07:34 | 2000 Apr. 23 20:09 | 51657.32 |
| CAL 83 | HRC-S/LETG | 1900 | 34.2 | 2001 Aug. 15 16:03 | 2001 Aug. 16 02:10 | 52136.67 |
| RX J0513.9–6951 | HRC-S/LETG | 5442 | 25.5 | 2005 Mar. 05 05:40 | 2005 Mar. 05 13:18 | 53493.24 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.