UBC 364

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0.68 UTI
0.55
CN
1.0
Cdens
0.75
CC3
0.55
Clit
1.0
Cdup
Radius (P>50% members) 4.6 [arcmin]
  • CN 0.55 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.55 Moderately studied
  • Cdup 1.0 Unique

Overview

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UBC 364 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, below 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 moderately studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Intermediate age

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 – 306.278 29.734 0.557 -2.11 -6.554 8.166
Li et al. 2025 306.276 29.74 0.55 -2.093 -6.526 –
Almeida et al. 2025 306.279 29.733 – – – –
Hunt & Reffert 2024 306.276 29.728 0.56 -2.112 -6.56 8.436
Cavallo et al. 2024 306.261 29.727 0.56 – – –
Hunt & Reffert 2023 306.276 29.728 0.56 -2.112 -6.56 8.436
Almeida et al. 2023 306.267 29.723 – – – –
Dias et al. 2021 306.279 29.733 0.554 -2.107 -6.528 9.745
Cantat-Gaudin et al. 2020 306.276 29.74 0.55 -2.093 -6.526 –
Castro-Ginard et al. 2020 306.283 29.756 0.551 -2.103 -6.529 –

💡 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 1.57 1.63 – 657 0.161 – – –
Almeida et al. 2025 1.69 2.14 – 381 – 127 – –
Hunt & Reffert 2024 – – – – – 228* – –
Cavallo et al. 2024 1.65 1.76 – 468 0.500 – – –
Hunt & Reffert 2023 1.72 1.80 1.37 293 – – – –
Almeida et al. 2023 1.59 1.93 – 524 0.068 258* 0.68 –
Dias et al. 2021 1.69 2.14 – 381 0.176 – – –
Cantat-Gaudin et al. 2020 1.91 1.66 – 324 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 13302 60.0 306.28 29.74 0.56 -2.09 -6.56 8.17 0.0

💡 Note: The % column shows the percentage of members that UBC 364 shares with each listed object.

Visualization

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