Table 2
Summary of new MCXC-II clusters from the 160SD catalogue (Vikhlinin et al. 1998; Mullis et al. 2003), previously classified as likely false.
| Name MCXC | [VMF98] number | Redshift | Redshift origin | |||
|---|---|---|---|---|---|---|
| 𝓏 | type | Counterpart | Dist[ ′ ; θ500] | Reference | ||
| J0236.0–5225 | 27 | 0.59 | P | X-CLASS 0418 | 0.21; 0.13 | Ridl et al. (2017) |
| J0831.2+4905 | 54 | 0.500 | S | RM J083112.0+490455.2 | 0.68, 0.34 | Rykoff et al. (2016), pw(a) |
| J0953.5+4758 | 78 | 0.2028 | S | PDCS 040 | 0.94; 0.31 | Holden et al. (1999) |
| J1418.7+0644 | 160 | 0.673 | P | ACT-CLJ1418.7+0644 | 0.15; 0.08 | Hilton et al. (2021) |
| J2004.8–5603 | 197 | 0.761 | P | ACT-CL J2004.8–5603 | 0.50; 0.31 | Hilton et al. (2021) |
Notes. Columns 1–2: MCXC name and index in Vikhlinin et al. (1998) catalogue [VMF98]. Columns 2–3: redshift and redshift type (S: spectroscopic; P: photometric); Cols. 4–6: redshift estimate details; redshift of identified counterpart; separation distance from 160SD position (in arcmin and in units of θ500).
Reference. (a) Rykoff et al. (2016) estimated a photometric redshift of 𝓏 = 0.52. From SDSS DR16 data of four galaxies, we derived a spectroscopic value of 𝓏spec = 0.500.
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