Open Access
Table 1.
The coverage of the Hβ and MgII emission lines in the two samples used in this work.
| MgII | Hβ | Hβ and MgII | Hβ or MgII | |
|---|---|---|---|---|
| 2RXS | 3310 | 6268 | 2234 | 7344 |
| XMMSL1 | 314 | 1070 | 227 | 1157 |
| Total | 3473 | 6654 | 2337 | 7790 |
Notes. There are 711 sources which were detected in both the 2RXS and XMMSL1 surveys. The “total” row lists the total number of unique sources obtained from combining the 2RXS and XMMSL1 samples.
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.