ESO 518 03

(MWSC 2462)

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0.87 UTI
0.75
CN
1.0
Cdens
1.0
CC3
0.79
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 108
Radius (P>50% members) 6.1 [arcmin]
  • CN 0.75 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.79 Well-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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ESO 518 03 is a rich, very dense object of very 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, old cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is well-studied in the literature.

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

Relatively close Moderate extinction Near-solar metallicity Old

Almeida et al. (2025)
Mass determination: invalid due to poor quality CMD. Isochrone match: worst fit.

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for ESO 518 03 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 – 251.748 -25.804 0.595 2.717 -2.674 22.025
Li et al. 2025 251.76 -25.81 0.566 2.757 -2.665 –
Hu & Soubiran 2025 251.742 -25.797 – – – –
Almeida et al. 2025 251.737 -25.799 – – – –
Hunt & Reffert 2024 251.775 -25.806 0.598 2.701 -2.654 20.688
Cavallo et al. 2024 251.742 -25.797 0.6 – – –
Hunt & Reffert 2023 251.775 -25.806 0.598 2.701 -2.654 20.688
Just et al. 2023 251.766 -25.805 – – – –
Dias et al. 2021 251.737 -25.799 0.575 2.751 -2.652 22.395
Cantat-Gaudin et al. 2020 251.76 -25.81 0.566 2.757 -2.665 –
Bica et al. 2019 251.773 -25.817 – – – –
Kharchenko et al. 2016 251.766 -25.805 – – – –
Dias et al. 2014 251.767 -25.812 – -3.11 -1.62 –
Kharchenko et al. 2013 251.775 -25.805 – -4.48 -2.83 –
Dias et al. 2002 251.767 -25.812 – -3.11 -1.62 –

💡 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 1.54 1.23 – 1874 -0.245 – – –
Hu & Soubiran 2025 – – – – -0.230* – – –
Almeida et al. 2025 1.52 0.76 – 1754 – 372 – –
Hunt & Reffert 2024 – – – – – 510* – –
Cavallo et al. 2024 1.50 1.07 – 1318 0.310 – – –
Hunt & Reffert 2023 1.62 1.03 0.84 643 – – – –
Just et al. 2023 – – – 1479 – 287 – –
Dias et al. 2021 1.52 0.76 – 1754 0.505 – – –
Cantat-Gaudin et al. 2020 1.63 0.91 – 1413 – – – –
Kharchenko et al. 2016 1.27 1.14 – 1479 – – – –
Kharchenko et al. 2013 1.27 1.14 – 1479 – – – –
Dias et al. 2002 1.27 1.14 – 1479 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 327 100.0 251.75 -25.81 0.6 2.71 -2.67 22.02 0.13

💡 Note: The % column shows the percentage of members that ESO 518 03 shares with each listed object.

Visualization
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ESO 518 03 UCC
ESO 518 03 HUNT23
ESO 518 03 CANTAT20
Galactocentric position diagram