Table 1
List of all X-ray selected galaxy cluster candidates within SDSS blank fields.
| Name | RA(J2000) | Dec(J2000) | LBT/LBC | LBT/MODS | z | Ref. | |
|
|
|||||||
| 2XMMp J030212.0-000133 | 03:02:12.1 | –00:01:32 | – | – | 1.185 | Šuhada et al. (2011) | |
| 2XMMp J083026.2+524133 | 08:30:26.2 | +52:41:33 | r, z (0.3 h) | 1.5 h | 0.9855 ± 0.0037 | this work | |
| 2XMMp J084836.4+445345 | 08:48:36.1 | +44:53:43 | – | – | 1.273 | Stanford et al. (1997) | |
| 2XMMp J084858.3+445158 | 08:48:58.4 | +44:51:58 | – | – | 1.261 | Rosati et al. (1999) | |
| 2XMMp J092120.2+371735 | 09:21:20.2 | +37:17:35 | r, z (0.6 h) | 2.5 h | 1.2134 ± 0.0014 | this work | |
| 2XMMp J093437.4+551340 | 09:34:37.5 | +55:13:42 | r, z (0.48 h) | 1.5 h | 0.83855 ± 0.00094 | this work | |
| 2XMMp J093607.2+613245 | 09:36:07.3 | +61:32:45 | r, z (0.73 h) | – | – | ||
| 2XMMp J100451.6+411626 | 10:04:51.6 | +41:16:27 | – | – | 0.82 | Hoeft et al. (2008) | |
| 2XMMp J105320.0+440816 | 10:53:19.8 | +44:08:17 | r, z (0.62 h) | 2.0 h | 0.8955 ± 0.0032 | this work | |
| 2XMMp J105344.2+573517 | 10:53:43.5 | +57:35:18 | z (0.3 h) | – | 1.134 | Hashimoto et al. (2005) | |
| 2XMMp J120735.1+250538 | 12:07:35.2 | +25:05:37 | r, z (0.3 h) | – | – | ||
| 2XMMp J120815.5+250001 | 12:08:16.0 | +25:00:02 | r, z (0.3 h) | 2.0 h | 0.9912 ± 0.0027 | this work | |
| 2XMMp J123113.1+154550 | 12:31:13.1 | +15:45:48 | – | – | 0.893 | Rabitz et al. (in prep.) | |
| 2XMMp J123759.3+180332 | 12:37:59.2 | +18:03:35 | r, z (0.3 h) | 2.0 h | 0.8874 ± 0.0024 | this work | |
| 2XMMp J133038.6-013832 | 13:30:38.7 | –01:38:32 | r, z (0.3 h) | – | – | ||
| 2XMMp J133853.9+482033 | 13:38:54.1 | +48:20:34 | r, z (0.85 h) | 2.0 h | 0.7517 ± 0.0016 | this work | |
| 2XMMp J144854.8+085400 | 14:48:54.7 | +08:53:59 | r, z (0.3 h) | – | – | Lamer et al. (2011) | |
| 2XMMp J145220.8+165458 | 14:52:20.6 | +16:54:57 | r, z (0.77 h) | – | – | ||
| 2XMMp J151716.8+001302 | 15:17:16.9 | +00:12:58 | r, z (0.3 h) | – | – | ||
Notes. Summary of the observational state of our sample. The first column lists the extended X-ray emission in the 2XMMp catalogue, from which this sample is built. The coordinates based on a cross-correlation with the 3XMM-DR6 catalogue are given in Cols. 2 and 3. The next two columns state the exposure time spent at imaging in LBT/LBC r-SLOAN, z-SLOAN, and at spectroscopy with LBT/MODS, respectively, followed by the spectroscopic redshift (Col. 6) and its reference (Col. 7).
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