UBC 10 b

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0.63 UTI
0.74
CN
0.4
Cdens
0.75
CC3
0.62
Clit
1.0
Cdup
N50 (P>50% members) 98
Stellar density (N50/rad) 2.0 [N/pc2]
C3 classification AB
  • CN 0.74 Moderately populated
  • Cdens 0.4 Loose
  • CC3 0.75 High quality
  • Clit 0.62 Moderately studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 MOCAMOCA 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
ℹī¸
UBC 10 b is a moderately populated, loose object of high C3 quality. Its parallax locates it at a close distance, above 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 age parameter (see Parameters). It is moderately studied in the literature.

Cavallo et al. (2024)
Gold sample.

Dias et al. (2021)
Likely not a real open cluster.

Data
🔍 Search references for UBC 10 b 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– 327.105 61.08 1.023 -3.432 -1.906 -27.87
Li et al. 2025 327.047 61.032 1.015 -3.471 -1.859 –
Alfonso et al. 2024 327.182 61.2 1.003 -3.424 -1.878 –
Hunt & Reffert 2024 327.223 61.214 1.032 -3.469 -1.913 -24.845
Cavallo et al. 2024 327.175 61.133 1.03 – – –
Hunt & Reffert 2023 327.223 61.214 1.032 -3.469 -1.913 -24.845
He et al. 2022 327.554 61.181 1.065 -3.409 -1.905 –
Cantat-Gaudin et al. 2020 327.047 61.032 1.015 -3.471 -1.859 –
Cantat-Gaudin & Anders 2020 327.047 61.032 1.015 -3.471 -1.859 –
Bica et al. 2019 326.892 61.096 – – – –
Castro-Ginard et al. 2018 326.883 61.104 1.014 -3.465 -1.868 -46.9

💡 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– 0.98 1.37 1.81 56 0.010 319 – –
Li et al. 2025 0.79 0.98 – 26 -0.048 – – –
Alfonso et al. 2024 1.00 1.36 – 29 0.010 – – –
Hunt & Reffert 2024 – – – – – 319(1) – –
Cavallo et al. 2024 0.98 1.53 – 12 0.180 – – –
Hunt & Reffert 2023 0.93 1.38 1.81 57 – – – –
He et al. 2022 – 1.70 – 447 – – – –
Tarricq et al. 2022 0.98 – – 56 – – – –
Cantat-Gaudin et al. 2020 1.00 1.36 – 56 – – – –
Cantat-Gaudin & Anders 2020 0.96 – – – – – – –

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

Visualization
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UBC 10 b UCC
UBC 10 b HUNT23
UBC 10 b CANTAT20
Galactocentric position diagram