UBC 210

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0.53 UTI
0.72
CN
0.67
Cdens
0.75
CC3
0.26
Clit
1.0
Cdup
Nm (P>50%) 95
Core radius and density 1.6 [pc], 3.4 [pc-2]
C3 classification AB
  • CN 0.72 Moderately populated
  • Cdens 0.67 Moderately dense
  • CC3 0.75 High quality
  • Clit 0.26 Poorly 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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UBC 210 is a moderately populated, moderately dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, old cluster (see Parameters). It is poorly studied in the literature.

Note: This object contains blue stragglers according to at least one source.

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

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 0.80 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 0.80 (50th percentile).

Data
🔍 Search references for UBC 210 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– 97.684 -1.411 0.424 0.008 1.4 67.524
Hu & Soubiran 2025 97.691 -1.425 – – – –
Almeida et al. 2025 97.662 -1.441 – – – –
Hunt & Reffert 2024 97.683 -1.4 0.409 0.036 1.387 70.664
Cavallo et al. 2024 97.691 -1.425 0.414 – – –
Hunt & Reffert 2023 97.683 -1.4 0.409 0.036 1.387 70.664
Jadhav & Subramaniam 2021 97.675 -1.413 – – – –
Dias et al. 2021 97.662 -1.441 0.354 0.018 1.358 –
Cantat-Gaudin et al. 2020 97.675 -1.413 0.402 0.011 1.417 –
Castro-Ginard et al. 2020 97.682 -1.429 0.404 0.017 1.41 –

💡 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– 2.24 1.78 1.18 1080 -0.119 490 – 1
Hu & Soubiran 2025 – – – – -0.140(5) – – –
Almeida et al. 2025 2.24 1.95 – 1038 – 449 – –
Hunt & Reffert 2024 2.18 1.78 1.18 787 – 625(1) – –
Cavallo et al. 2024 1.89 1.70 – 1514 0.120 – – –
Hunt & Reffert 2023 2.18 1.78 1.18 787 – – – –
Jadhav & Subramaniam 2021 2.32 1.24 – 1288 – 490 – 1(1)
Dias et al. 2021 2.24 1.95 – 1038 -0.119 – – –
Cantat-Gaudin et al. 2020 2.32 1.24 – 1288 – – – –
Kounkel et al. 2020 2.64 2.60 – 1122 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 84 56.8 97.68 -1.41 0.43 0.02 1.4 67.52 0.0

💡 Note: The % column shows the percentage of members that UBC 210 shares with each listed object.

Visualization
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UBC 210 UCC
UBC 210 HUNT23
UBC 210 CANTAT20
Galactocentric position diagram