Collinder 226

(VDBH 100; NGC 3330; MWSC 1835; Harvard 4; OCL 806; vdBergh-Hagen 100; ESO 168 11; FoF 2190)

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0.90 UTI
0.76
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
Stellar density (N50/rad) 27.7 [N/pc2]
  • CN 0.76 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 1.0 Very well-studied
  • Cdup 1.0 Unique

Overview

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Collinder 226 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age, metallicity, and mass parameters (see Parameters). It is very well-studied in the literature.

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

Cavallo et al. (2024)
Gold sample.

Data

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Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 159.667 -54.145 0.571 -7.7 3.034 -2.171
Li et al. 2025 159.659 -54.148 0.552 -7.705 2.996 –
Almeida et al. 2025 159.65 -54.141 – – – –
Hunt & Reffert 2024 159.667 -54.142 0.574 -7.692 3.038 -5.619
Cavallo et al. 2024 159.674 -54.154 0.574 – – –
Hunt & Reffert 2023 159.667 -54.142 0.574 -7.692 3.038 -5.619
Just et al. 2023 159.684 -54.111 – – – –
Dias et al. 2021 159.65 -54.141 0.558 -7.702 2.988 –
Cantat-Gaudin et al. 2020 159.659 -54.148 0.552 -7.705 2.996 –
Cantat-Gaudin & Anders 2020 159.659 -54.148 0.552 -7.705 2.996 –
Liu & Pang 2019 159.666 -54.137 0.566 -7.733 3.004 –
Bossini et al. 2019 159.659 -54.148 – – – –
Soubiran et al. 2018 159.659 -54.148 – – – -5.86
Bica et al. 2019 159.673 -54.127 – – – –
Cantat-Gaudin et al. 2018 159.659 -54.148 0.552 -7.705 2.996 –
Loktin & Popova 2017 159.69 -54.123 – -0.155 -1.044 –
Kharchenko et al. 2016 159.684 -54.111 – – – –
Dias et al. 2014 159.692 -54.123 – -6.34 0.67 –
Kharchenko et al. 2013 159.69 -54.115 – -6.6 0.35 –
Piskunov et al. 2008 159.705 -54.114 – – – –
van den Bergh 2006 159.7 -54.117 – – – –
Kharchenko et al. 2005 159.7 -54.12 – -6.02 1.86 –
Kharchenko et al. 2003 159.7 -54.12 – -6.44 1.46 –
Dias et al. 2002 159.692 -54.123 – -6.34 0.67 –

💡 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– 1.405 0.29 0.83 111 0.000 323 – –
Li et al. 2025 1.38 0.53 – 82 -0.358 – – –
Almeida et al. 2025 1.59 0.55 – 111 – 323 – –
Hunt & Reffert 2024 – – – – – 556(1) – –
Cavallo et al. 2024 1.43 0.59 – 102 -0.130 – – –
Hunt & Reffert 2023 1.63 0.29 0.83 111 – – – –
Just et al. 2023 – – – 367 – 78 – –
Dias et al. 2021 1.59 0.55 – 111 0.047 – – –
Cantat-Gaudin et al. 2020 1.71 0.45 – 81 – – – –
Cantat-Gaudin & Anders 2020 1.72 – – – – – – –
Liu & Pang 2019 – – – 85 0.250 – – –
Bossini et al. 2019 1.62 0.40 – 59 0.000 – – –
Soubiran et al. 2018 1.72 – – – – – – –
Cantat-Gaudin et al. 2018 1.72 – – – – – – –
Loktin & Popova 2017 1.11 0.36 – 61 – – – –
Kharchenko et al. 2016 1.25 0.16 – 367 – – – –
Kharchenko et al. 2013 1.25 0.16 – 367 – – – –
Piskunov et al. 2008 0.89 0.16 – 200 – – – –
van den Bergh 2006 0.89 0.16 – 170 – – – –
Kharchenko et al. 2005 0.89 0.16 – 200 – – – –
Kharchenko et al. 2003 0.89 0.16 – – – – – –
Dias et al. 2002 0.89 0.16 – 169 – – – –

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

Visualization

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