UBC 241

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0.68 UTI
0.68
CN
0.86
Cdens
0.75
CC3
0.55
Clit
1.0
Cdup
Radius (P>50% members) 3.0 [arcmin]
  • CN 0.68 Moderately populated
  • Cdens 0.86 Dense
  • CC3 0.75 High quality
  • Clit 0.55 Moderately studied
  • Cdup 1.0 Unique

Overview

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UBC 241 is a moderately populated, dense object of high C3 quality. Its parallax locates it at a large 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 metallicity parameter (see Parameters). It is moderately studied in the literature.
Distant Low extinction Near-solar metallicity Intermediate age

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

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 – 127.07 -31.013 0.194 -2.994 3.287 59.181
Li et al. 2025 127.069 -31.007 0.183 -3.011 3.276 –
Hu & Soubiran 2025 127.078 -31.005 – – – –
Almeida et al. 2025 127.086 -31.01 – – – –
Hunt & Reffert 2024 127.063 -31.012 0.196 -2.97 3.301 59.313
Cavallo et al. 2024 127.078 -31.005 0.198 – – –
Hunt & Reffert 2023 127.063 -31.012 0.196 -2.97 3.301 59.313
Dias et al. 2021 127.086 -31.01 0.178 -2.98 3.249 –
Cantat-Gaudin et al. 2020 127.069 -31.007 0.183 -3.011 3.276 –
Castro-Ginard et al. 2020 127.074 -31.001 0.178 -3.018 3.266 –

💡 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
Li et al. 2025 4.10 0.37 – 668 -0.048 – – –
Hu & Soubiran 2025 – – – – -0.200* – – –
Almeida et al. 2025 4.14 0.90 – 256 – 636 – –
Hunt & Reffert 2024 – – – – – 441* – –
Cavallo et al. 2024 3.01 0.74 – 575 -0.520 – – –
Hunt & Reffert 2023 4.19 0.21 1.06 824 – – – –
Dias et al. 2021 4.14 0.90 – 256 -0.081 – – –
Cantat-Gaudin et al. 2020 4.39 0.58 – 178 – – – –

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

Visualization

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