UBC 396

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0.72 UTI
0.54
CN
1.0
Cdens
0.75
CC3
0.65
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 57
Radius (P>50% members) 10.5 [arcmin]
  • CN 0.54 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.65 Moderately studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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UBC 396 is a moderately populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster, but with a large variance across recent sources for the age and metallicity parameters (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 Very young

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for UBC 396 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 – 337.284 66.513 0.965 -2.245 -2.819 -46.889
Li et al. 2025 337.301 66.526 0.943 -2.281 -2.792 –
Almeida et al. 2025 337.296 66.52 – – – –
Hunt & Reffert 2024 337.253 66.498 0.975 -2.221 -2.808 -30.882
Cavallo et al. 2024 337.662 66.691 0.967 – – –
Hunt & Reffert 2023 337.253 66.498 0.975 -2.221 -2.808 -30.882
Almeida et al. 2023 337.322 66.513 – – – –
He et al. 2022 337.534 66.501 0.957 -2.166 -2.545 –
Tarricq et al. 2022 337.454 66.744 0.959 -2.253 -2.758 –
Dias et al. 2021 337.296 66.52 0.951 -2.257 -2.828 –
Cantat-Gaudin et al. 2020 337.301 66.526 0.943 -2.281 -2.792 –
Castro-Ginard et al. 2020 337.302 66.528 0.944 -2.264 -2.796 –

💡 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 0.93 2.68 – 12 -0.256 – – –
Almeida et al. 2025 1.05 2.49 – 13 – 130 – –
Hunt & Reffert 2024 – – – – – 242* – –
Cavallo et al. 2024 1.05 2.42 – 28 0.290 – – –
Hunt & Reffert 2023 1.00 2.41 2.67 25 – – – –
Almeida et al. 2023 1.02 2.68 – 14 -0.071 128* 0.42 –
He et al. 2022 – 2.95 – 16 – – – –
Tarricq et al. 2022 0.99 – – 219 – – – –
Dias et al. 2021 1.05 2.49 – 13 0.016 – – –
Cantat-Gaudin et al. 2020 1.02 1.85 – 186 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 14502 73.7 337.28 66.54 0.97 -2.25 -2.84 -48.43 0.0

💡 Note: The % column shows the percentage of members that UBC 396 shares with each listed object.

Visualization
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UBC 396 UCC
UBC 396 HUNT23
UBC 396 CANTAT20
Galactocentric position diagram