Table 4.
Photometry and mass determination for the new galaxy group candidats.
| Group No. | Extent+ (arcmin) | rsig‡ (arcmin) | CRsig‡ (cnts s−1) | r500* (arcmin) | CR500* (cnts s−1) |  † (cnts s−1) |
 † (10−12 erg s−1 cm−2) |
 † (1042 erg s−1) |
 † (1013M⊙) |
 ⋆ (1013M⊙) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5.11 | 11.00 | 0.06 ± 0.02 | 7.90 ± 0.53 | 0.06 | 0.05 ± 0.01 | 0.97 ± 0.31 | 11.09 ± 3.53 | 6.14 ± 1.23 | – |
| 2 | 6.56 | 28.50 | 0.45 ± 0.12 | 28.86 ± 1.91 | 0.45 | 0.46 ± 0.12 | 7.74 ± 2.37 | 2.82 ± 0.86 | 2.70 ± 0.51 | – |
| 3 | 7.10 | 19.00 | 0.16 ± 0.04 | 12.60 ± 0.75 | 0.15 | 0.06 ± 0.02 | 0.89 ± 0.37 | 3.12 ± 1.31 | 2.84 ± 0.74 | [2.79 − 3.67] |
| 4 | 8.05 | 27.00 | 0.20 ± 0.04 | 9.72 ± 0.44 | 0.18 | 0.07 ± 0.02 | 1.52 ± 0.36 | 18.25 ± 4.22 | 8.36 ± 1.20 | – |
| 5 | 8.53 | 19.00 | 0.22 ± 0.05 | 14.30 ± 0.67 | 0.21 | 0.19 ± 0.03 | 3.84 ± 0.71 | 11.39 ± 2.10 | 6.34 ± 0.73 | – |
| 6 | 8.57 | 28.50 | 0.20 ± 0.05 | 12.86 ± 0.74 | 0.18 | 0.08 ± 0.02 | 1.29 ± 0.43 | 4.71 ± 1.54 | 3.66 ± 0.75 | – |
| 7 | 10.02 | 34.00 | 0.34 ± 0.05 | 19.97 ± 0.76 | 0.32 | 0.16 ± 0.03 | 2.80 ± 0.58 | 3.34 ± 0.69 | 2.99 ± 0.38 | – |
| 8 | 13.36 | 17.00 | 0.15 ± 0.03 | 12.30 ± 0.68 | 0.14 | 0.08 ± 0.02 | 1.40 ± 0.47 | 5.23 ± 1.73 | 3.91 ± 0.81 | [37.44 − 49.32] |
| 9 | 15.37 | 34.00 | 0.23 ± 0.05 | 14.25 ± 0.67 | 0.21 | 0.05 ± 0.01 | 0.74 ± 0.23 | 2.24 ± 0.68 | 2.31 ± 0.44 | [5.52 − 7.28] |
| 10 | 15.56 | 29.50 | 0.27 ± 0.06 | 17.59 ± 1.02 | 0.26 | 0.11 ± 0.03 | 1.66 ± 0.51 | 2.39 ± 0.73 | 2.42 ± 0.46 | [2.53 − 3.34] |
| 11 | 21.51 | 45.50 | 0.72 ± 0.11 | 26.66 ± 1.03 | 0.68 | 0.32 ± 0.06 | 5.16 ± 1.11 | 3.62 ± 0.78 | 3.14 ± 0.42 | – |
| 12 | 22.48 | 32.00 | 0.44 ± 0.08 | 17.30 ± 0.66 | 0.40 | 0.24 ± 0.04 | 4.73 ± 0.86 | 11.61 ± 2.11 | 6.43 ± 0.73 | [8.32 − 10.96] |
| 13 | 33.95 | 26.50 | 0.37 ± 0.10 | 21.73 ± 1.50 | 0.35 | 0.26 ± 0.07 | 5.06 ± 1.64 | 4.92 ± 1.60 | 3.80 ± 0.77 | – |
Notes. We refer to Section 4.3 for details.
r500 and CR500 are derived from the aperture count rate combining the Reichert et al. (2011) scaling relations with a β model of parameters β = 2/3 and rc = r500/7.
Interpolated values for the count rate, flux, luminosity, and mass within r500, derived directly from the GCA measurement at r500 and the Reichert et al. (2011) scaling relations (see Sect. 4.3.2 for details).
Mass derived from the velocity dispersion for groups with more than 20 galaxy members with spectroscopic information (see Sect. 4.3.3 for details).
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