Czernik 23

(FSR 0834; MWSC 677; OCL 458)

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0.90 UTI
0.77
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
N50 (P>50% members) 143
Stellar density (N50/rad) 26.2 [N/pc2]
C3 classification AB
  • CN 0.77 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 1.0 Very well-studied
  • Cdup 1.0 Unique
πŸ“₯ Members πŸ“Š Colab πŸ”¬ Bayestar19 MOCAMOCA πŸ” CDS πŸ” Simbad πŸ” CDS (Ξ±, Ξ΄) πŸ” Simbad (Ξ±, Ξ΄)

Overview
ℹ️
Czernik 23 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster (see Parameters). It is very well-studied in the literature.

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit. Gold sample.

Cavallo et al. (2024)
Gold sample.

Data
πŸ” Search references for Czernik 23 in: SciX Simbad
ℹ️
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 87.525 28.898 0.261 0.007 -1.78 17.589
Almeida et al. 2025 87.514 28.896 – – – –
Zhang et al. 2024 87.528 28.898 – – – –
Hunt & Reffert 2024 87.528 28.898 0.269 0.019 -1.796 20.937
Cavallo et al. 2024 87.513 28.905 0.27 – – –
Hunt & Reffert 2023 87.528 28.898 0.269 0.019 -1.796 20.937
Almeida et al. 2023 87.513 28.895 – – – –
Just et al. 2023 87.516 28.901 – – – –
Dias et al. 2021 87.514 28.896 0.246 0.053 -1.78 14.314
Cantat-Gaudin et al. 2020 87.525 28.898 0.288 0.08 -1.794 –
SΓ‘nchez et al. 2020 87.517 28.895 – -0.164 -1.896 –
Donor et al. 2020 87.525 28.9 – 0.07 -1.84 18.0
Cantat-Gaudin & Anders 2020 87.525 28.898 0.288 0.08 -1.794 –
Soubiran et al. 2018 87.525 28.898 – – – 13.09
Bica et al. 2019 87.532 28.889 – – – –
Cantat-Gaudin et al. 2018 87.525 28.898 0.288 0.08 -1.794 –
Kharchenko et al. 2016 87.516 28.901 – – – –
Dias et al. 2014 87.517 28.895 – -0.02 -0.32 –
Kharchenko et al. 2013 87.525 28.9 – -2.11 -2.32 –
Glushkova et al. 2010 87.515 28.895 – – – –
Froebrich et al. 2007 87.529 28.891 – – – –
Dias et al. 2002 87.517 28.895 – -0.02 -0.32 –

πŸ’‘ Note: The UCC values are estimated from its identified members.

Reference Year Dist [kpc] Av [mag] DAv [mag] Age [Myr] [Fe/H] [dex] Mass [Msun] Bfrac BSS
UCC 99999– 3.1 1.58 1.46 302 -0.192 540 0.67 –
Almeida et al. 2025 3.10 1.74 – 313 – 514 – –
Zhang et al. 2024 – – – – -0.068(1) – – –
Hunt & Reffert 2024 – – – – – 1147(1) – –
Cavallo et al. 2024 2.30 1.54 – 447 -0.320 – – –
Hunt & Reffert 2023 3.04 1.32 1.46 431 – – – –
Almeida et al. 2023 3.23 1.79 – 303 -0.192 565(1) 0.67 –
Just et al. 2023 – – – 302 – 346 – –
Dias et al. 2021 3.10 1.74 – 313 -0.132 – – –
Cantat-Gaudin et al. 2020 3.96 1.49 – 269 – – – –
Donor et al. 2020 – – – – -0.280 – – –
Cantat-Gaudin & Anders 2020 3.16 – – – – – – –
Soubiran et al. 2018 3.16 – – – – – – –
Cantat-Gaudin et al. 2018 3.16 – – – – – – –
Kharchenko et al. 2016 2.45 1.62 – 302 – – – –
Kharchenko et al. 2013 2.45 1.62 – 302 – – – –
Glushkova et al. 2010 2.50 1.18 – 282 – – – –
Dias et al. 2002 2.50 1.18 – 282 – – – –

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Visualization
ℹ️
Czernik 23 UCC
Czernik 23 HUNT23
Czernik 23 CANTAT20
Galactocentric position diagram