UBC 282

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0.65 UTI
0.56
CN
0.92
Cdens
1.0
CC3
0.38
Clit
1.0
Cdup
Radius (P>50% members) 3.9 [arcmin]
  • CN 0.56 Moderately populated
  • Cdens 0.92 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.38 Poorly studied
  • Cdup 1.0 Unique

Overview

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UBC 282 is a moderately populated, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate 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 poorly studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Intermediate age

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 – 180.182 -60.504 0.306 -6.338 0.675 56.839
Li et al. 2025 180.169 -60.504 0.299 -6.339 0.661 –
Hunt & Reffert 2024 180.152 -60.503 0.309 -6.376 0.703 2.277
Cavallo et al. 2024 180.201 -60.498 0.308 – – –
Hunt & Reffert 2023 180.152 -60.503 0.309 -6.376 0.703 2.277
Cantat-Gaudin et al. 2020 180.169 -60.504 0.299 -6.339 0.661 –
Castro-Ginard et al. 2020 180.184 -60.502 0.291 -6.354 0.659 –

💡 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 2.69 1.29 – 184 0.055 – – –
Hunt & Reffert 2024 – – – – – 724* – –
Cavallo et al. 2024 2.79 1.16 – 295 0.500 – – –
Hunt & Reffert 2023 2.85 1.30 1.35 148 – – – –
Cantat-Gaudin et al. 2020 3.08 1.31 – 126 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 2764 74.6 180.17 -60.5 0.31 -6.36 0.7 2.31 0.15
OC 0576 39.7 180.17 -60.5 0.3 -6.36 0.68 – 0.0

💡 Note: The % column shows the percentage of members that UBC 282 shares with each listed object.

Visualization

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