UBC 184

(LISC 3126)

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0.59 UTI
0.66
CN
0.97
Cdens
0.75
CC3
0.29
Clit
1.0
Cdup
Nm (P>50%) 81
Core radius and density 1.1 [pc], 4.8 [pc-2]
C3 classification AB
  • CN 0.66 Moderately populated
  • Cdens 0.97 Very dense
  • CC3 0.75 High quality
  • Clit 0.29 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 184 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 (see Parameters). It is poorly studied in the literature.

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Data
🔍 Search references for UBC 184 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– 5.773 59.451 0.553 -3.316 -1.938 -45.167
Li et al. 2025 5.76 59.451 0.562 -3.353 -1.868 –
Hu & Soubiran 2025 5.752 59.443 – – – –
Yang et al. 2025 5.783 59.449 – – – –
Hunt & Reffert 2024 5.783 59.449 0.553 -3.31 -1.95 -45.193
Cavallo et al. 2024 5.752 59.443 0.554 – – –
Hunt & Reffert 2023 5.783 59.449 0.553 -3.31 -1.95 -45.193
Jadhav & Subramaniam 2021 5.76 59.451 – – – –
Cantat-Gaudin et al. 2020 5.76 59.451 0.562 -3.353 -1.868 –
Castro-Ginard et al. 2020 5.752 59.441 0.564 -3.336 -1.881 –

💡 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– 1.7 1.385 0.52 813 -0.010 380 – 0
Li et al. 2025 1.61 1.40 – 1070 -0.058 – – –
Hu & Soubiran 2025 – – – – -0.020(5) – – –
Yang et al. 2025 – – – 661 0.000(3) – – –
Hunt & Reffert 2024 1.70 1.35 0.52 656 – 395(1) – –
Cavallo et al. 2024 1.67 1.44 – 955 -0.010 – – –
Hunt & Reffert 2023 1.70 1.35 0.52 656 – – – –
Deng & Li 2023 1.66 1.46 – 1000 0.093 – – –
Jadhav & Subramaniam 2021 1.70 1.37 – 813 – 366 – 0(1)
Cantat-Gaudin et al. 2020 1.70 1.37 – 813 – – – –
Kounkel et al. 2020 1.74 2.14 – 741 – – – –

(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 586 92.6 5.77 59.45 0.55 -3.31 -1.94 -45.17 0.01

💡 Note: The % column shows the percentage of members that UBC 184 shares with each listed object.

Visualization
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UBC 184 UCC
UBC 184 HUNT23
UBC 184 CANTAT20
Galactocentric position diagram