UBC 74

(FoF 1973)

Click to load Aladin Lite
0.64 UTI
0.75
CN
1.0
Cdens
0.75
CC3
0.35
Clit
1.0
Cdup
N50 (P>50% members) 101
Stellar density (N50/rad) 7.3 [N/pc2]
C3 classification AB
  • CN 0.75 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.35 Poorly studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 MOCAMOCA 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
ℹī¸
UBC 74 is a rich, very dense object of 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 (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 (2023)
Classified as open cluster. CMD class: 0.98 (50th percentile).

Data
🔍 Search references for UBC 74 in: SciX Simbad
ℹī¸
Reference Year RA [deg] DEC [deg] Plx [mas] pmRA [mas/yr] pmDE [mas/yr] Rv [km/s]
UCC 99999– 95.46 22.417 0.367 1.025 -2.602 41.505
Li et al. 2025 95.461 22.419 0.356 1.076 -2.616 –
Hu & Soubiran 2025 95.491 22.392 – – – –
Yang et al. 2025 95.452 22.413 – – – –
Zhang et al. 2024 95.452 22.413 – – – –
Hunt & Reffert 2024 95.452 22.413 0.36 0.998 -2.584 40.069
Cavallo et al. 2024 95.491 22.392 0.362 – – –
Hunt & Reffert 2023 95.452 22.413 0.36 0.998 -2.584 40.069
Jadhav & Subramaniam 2021 95.461 22.419 – – – –
Cantat-Gaudin et al. 2020 95.461 22.419 0.356 1.076 -2.616 –
Cantat-Gaudin & Anders 2020 95.461 22.419 0.356 1.076 -2.616 –
Liu & Pang 2019 95.481 22.42 0.337 1.076 -2.633 –
Castro-Ginard et al. 2019 95.467 22.411 0.354 1.092 -2.619 –

💡 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– 2.51 1.68 1.57 516 -0.064 768 – 0
Li et al. 2025 2.38 1.75 – 606 -0.057 – – –
Hu & Soubiran 2025 – – – – -0.190(5) – – –
Yang et al. 2025 – – – 513 -0.070(3) – – –
Zhang et al. 2024 – – – – -0.226(1) – – –
Hunt & Reffert 2024 – – – – – 991(1) – –
Cavallo et al. 2024 2.41 1.78 – 741 0.070 – – –
Hunt & Reffert 2023 2.51 1.61 1.57 518 – – – –
Jadhav & Subramaniam 2021 2.57 1.38 – 437 – 545 – 0(1)
Cantat-Gaudin et al. 2020 2.57 1.38 – 437 – – – –
Kounkel et al. 2020 2.45 2.26 – 295 – – – –
Cantat-Gaudin & Anders 2020 2.60 – – – – – – –
Liu & Pang 2019 – – – 708 0.250 – – –

(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 2960 99.0 95.46 22.41 0.36 1.02 -2.6 41.57 0.07

💡 Note: The % column shows the percentage of members that UBC 74 shares with each listed object.

Visualization
ℹī¸
UBC 74 UCC
UBC 74 HUNT23
UBC 74 CANTAT20
Galactocentric position diagram