UBC 582

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0.76 UTI
0.76
CN
1.0
Cdens
0.75
CC3
0.65
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 126
Radius (P>50% members) 10.3 [arcmin]
  • CN 0.76 Rich
  • 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 582 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, very young cluster, but with a large variance across recent sources for the age parameter (see Parameters). It is moderately studied in the literature.
Relatively close Low extinction Near-solar metallicity Very young

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for UBC 582 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 – 299.849 38.553 0.881 -3.024 -7.863 0.069
Li et al. 2025 299.833 38.551 0.895 -3.06 -7.856 –
Almeida et al. 2025 299.843 38.548 – – – –
Hunt & Reffert 2024 299.861 38.559 0.868 -2.997 -7.868 -0.822
Cavallo et al. 2024 299.848 38.558 0.879 – – –
Hunt & Reffert 2023 299.861 38.559 0.868 -2.997 -7.868 -0.822
Almeida et al. 2023 299.868 38.547 – – – –
He et al. 2022 299.869 38.564 0.887 -3.019 -7.883 –
Tarricq et al. 2022 299.867 38.513 0.89 -3.035 -7.835 –
Dias et al. 2021 299.843 38.548 0.897 -3.063 -7.819 –
Cantat-Gaudin et al. 2020 299.833 38.551 0.895 -3.06 -7.856 –
Castro-Ginard et al. 2020 299.836 38.546 0.896 -3.066 -7.854 –

💡 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 0.41 – 19 -0.249 – – –
Almeida et al. 2025 1.10 0.65 – 18 – 55 – –
Hunt & Reffert 2024 – – – – – 208* – –
Cavallo et al. 2024 1.08 0.48 – 10 -0.080 – – –
Hunt & Reffert 2023 1.09 0.19 0.73 9 – – – –
Almeida et al. 2023 1.10 0.52 – 18 0.044 97* 0.40 –
He et al. 2022 – 0.30 – 11 – – – –
Tarricq et al. 2022 0.99 – – 69 – – – –
Dias et al. 2021 1.10 0.65 – 18 -0.014 – – –
Cantat-Gaudin et al. 2020 1.02 0.42 – 63 – – – –

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

Visualization
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UBC 582 UCC
UBC 582 HUNT23
UBC 582 CANTAT20
Galactocentric position diagram