Czernik 39

(MWSC 3050; OCL 97)

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0.82 UTI
0.76
CN
1.0
Cdens
1.0
CC3
0.68
Clit
1.0
Cdup
Nm (P>50%) 134
Core radius and density 1.6 [pc], 5.8 [pc-2]
C3 classification AA
  • CN 0.76 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.68 Moderately studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 MOCAMOCA 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Czernik 39 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the age and mass parameters (see Parameters). It is moderately studied in the literature.

Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.

Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.

Hu et al. (2021)
Ellipticities (core, all): e_core=0.2755, e_all=0.1308.

Piecka & Paunzen (2021)
Belongs to cluster aggregate 'Agg25' along with NGC 6755 and NGC 6756.

Data
🔍 Search references for Czernik 39 in: SciX Simbad
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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 286.926 4.343 0.268 -1.587 -4.712 49.358
Li et al. 2025 286.926 4.337 0.253 -1.586 -4.704 –
Almeida et al. 2025 286.923 4.339 – – – –
Just et al. 2023 286.875 4.331 – – – –
Dias et al. 2021 286.923 4.339 0.257 -1.571 -4.691 47.993
Cantat-Gaudin et al. 2020 286.926 4.337 0.253 -1.586 -4.704 –
Cantat-Gaudin & Anders 2020 286.926 4.337 0.253 -1.586 -4.704 –
Soubiran et al. 2018 286.926 4.337 – – – 32.18
Bica et al. 2019 286.913 4.335 – – – –
Cantat-Gaudin et al. 2018 286.926 4.337 0.253 -1.586 -4.704 –
Dias et al. 2018 – – – -0.19 -3.67 –
Dib et al. 2018 286.882 4.333 – – – –
Loktin & Popova 2017 286.935 4.349 – -7.336 -7.767 –
Sampedro et al. 2017 286.933 4.333 – 0.02 -3.05 –
Joshi et al. 2016 286.882 4.333 – – – –
Kharchenko et al. 2016 286.875 4.331 – – – –
Tadross 2014 286.933 4.333 – – – –
Dias et al. 2014 286.933 4.333 – 0.7 -3.82 –
Kharchenko et al. 2013 286.882 4.333 – -6.03 -7.96 –
Bukowiecki et al. 2011 286.933 4.34 – – – –
Dias et al. 2002 286.933 4.333 – -6.03 -7.96 –
Lynga 1987 286.895 4.3 – – – –

💡 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– 2.96 3.145 – 63 0.248 539 – –
Li et al. 2025 2.84 2.98 – 248 0.239 – – –
Almeida et al. 2025 3.16 2.94 – 10 – 539 – –
Just et al. 2023 – – – 63 – 37 – –
Dias et al. 2021 3.16 2.94 – 10 0.257 – – –
Cantat-Gaudin et al. 2020 3.27 2.63 – 138 – – – –
Kounkel et al. 2020 3.08 3.31 – 309 – – – –
Cantat-Gaudin & Anders 2020 3.55 – – – – – – –
Soubiran et al. 2018 3.55 – – – – – – –
Cantat-Gaudin et al. 2018 3.55 – – – – – – –
Dib et al. 2018 1.14 – – 63 – – – –
Loktin & Popova 2017 4.02 1.85 – 871 – – – –
Joshi et al. 2016 1.14 7.95 – 63 – – – –
Kharchenko et al. 2016 1.14 7.95 – 63 – – – –
Tadross 2014 1.34 9.15 – 10 – – – –
Kharchenko et al. 2013 1.14 7.95 – 63 – – – –
Bukowiecki et al. 2012 – – – – – 1976 – –
Bukowiecki et al. 2011 2.10(1) 2.71 – 316 – – – –
Dias et al. 2002 1.34 9.15 – 10 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
Teutsch 118 90.3 286.92 4.34 0.27 -1.58 -4.71 46.55 0.05

💡 Note: The % column shows the percentage of members that Czernik 39 shares with each listed object.

Visualization
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Czernik 39 UCC
Czernik 39 CANTAT20
Galactocentric position diagram