Czernik 43

(MWSC 3726)

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0.91 UTI
0.79
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 206
Radius (P>50% members) 6.7 [arcmin]
  • CN 0.79 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 1.0 Very well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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Czernik 43 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the mass parameter (see Parameters). It is very well-studied in the literature.

Note: This object shares a large percentage of members with 2 later reported entries. See table with shared members information.

Relatively close Moderate extinction Near-solar metallicity Young

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Czernik 43 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 – 351.402 61.346 0.368 -3.99 -2.155 -55.262
Almeida et al. 2025 351.448 61.329 – – – –
Hunt & Reffert 2024 351.419 61.359 0.374 -4.014 -2.166 –
Cavallo et al. 2024 351.348 61.322 0.373 – – –
Hunt & Reffert 2023 351.419 61.359 0.374 -4.014 -2.166 –
Almeida et al. 2023 351.448 61.33 – – – –
Just et al. 2023 351.463 61.372 – – – –
Dias et al. 2021 351.448 61.329 0.35 -3.862 -2.078 –
Loktin & Popova 2017 351.45 61.317 – -0.407 -3.341 -58.0
Kharchenko et al. 2016 351.463 61.372 – – – –
Dias et al. 2014 351.45 61.317 – -0.76 -2.72 –
Kharchenko et al. 2013 351.469 61.375 – -0.39 -4.07 -58.0
Gozha et al. 2012 351.45 61.317 – – – –
Kharchenko et al. 2012 351.469 61.375 – -0.39 -4.07 -58.05
Piskunov et al. 2008 351.45 61.312 – – – –
Kharchenko et al. 2007 351.45 61.32 – 0.17 – -58.05
Kharchenko et al. 2005 351.45 61.32 – -2.77 -2.2 -58.05
Kharchenko et al. 2003 351.45 61.3 – -2.22 -1.41 –
Dias et al. 2002 351.45 61.317 – -0.76 -2.72 -58.05

💡 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] Bfr BSS
Almeida et al. 2025 2.35 1.93 – 122 – 689 – –
Hunt & Reffert 2024 – – – – – 1421* – –
Cavallo et al. 2024 2.67 2.18 – 69 0.120 – – –
Hunt & Reffert 2023 2.54 1.88 1.85 79 – – – –
Almeida et al. 2023 2.28 2.05 – 87 -0.094 502* 0.69 –
Just et al. 2023 – – – 58 – 352 – –
Dias et al. 2021 2.35 1.93 – 122 -0.023 – – –
Loktin & Popova 2017 1.89 1.08 – 355 – – – –
Kharchenko et al. 2016 2.50 2.17 – 58 – – – –
Kharchenko et al. 2013 2.50 2.17 – 58 – – – –
Gozha et al. 2012 2.51 – – 40 – 2291 – –
Kharchenko et al. 2012 2.50 2.17 – 58 – – – –
Piskunov et al. 2008 2.50 2.17 – 50 – – – –
Kharchenko et al. 2005 2.50 2.17 – 50 – – – –
Kharchenko et al. 2003 3.33 0.93 – – – – – –
Dias et al. 2002 2.51 1.92 – 40 – – – –

(*): Indicates that this parameter is assigned more than one value in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 399 98.1 351.34 61.33 0.37 -4.01 -2.15 -57.18 0.2
CWWDL 2581 1.9 350.59 61.0 0.33 -3.93 -2.16 -35.48 0.11

💡 Note: The % column shows the percentage of members that Czernik 43 shares with each listed object.

Visualization
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Czernik 43 UCC
Czernik 43 HUNT23
Galactocentric position diagram