ESO 332 08

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0.66 UTI
0.44
CN
1.0
Cdens
1.0
CC3
0.44
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 44
Radius (P>50% members) 3.9 [arcmin]
  • CN 0.44 Poorly populated
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.44 Poorly 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 332 08 is a poorly populated, very dense object of very 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, young cluster (see Parameters). It is poorly studied in the literature.

Note: This object shares a large percentage of members with 3 later reported entries. See table with shared members information.

Relatively close Low extinction Near-solar metallicity Young

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

Data
🔍 Search references for ESO 332 08 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 – 253.705 -40.759 0.578 -0.275 -1.34 -18.448
Li et al. 2025 253.691 -40.73 0.529 -0.272 -1.348 –
Almeida et al. 2025 253.691 -40.73 – – – –
Dias et al. 2021 253.691 -40.73 0.529 -0.272 -1.348 –
Dias et al. 2014 253.679 -40.708 – -2.05 -3.32 –
Piskunov et al. 2008 253.67 -40.712 – – – –
Kharchenko et al. 2005 253.68 -40.71 – 0.05 -4.1 –
Dias et al. 2002 253.679 -40.708 – -2.05 -3.32 –

💡 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 1.58 1.13 – 5 0.063 – – –
Almeida et al. 2025 1.69 1.23 – 8 – 860 – –
Dias et al. 2021 1.69 1.23 – 8 0.230 – – –
Piskunov et al. 2008 1.20 0.62 – 148 – – – –
Kharchenko et al. 2005 1.20 0.62 – 148 – – – –
Dias et al. 2002 1.20 0.62 – 148 – – – –
Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 323 90.9 253.97 -40.69 0.59 -0.23 -1.25 -21.03 0.37
Collinder 316 77.3 253.7 -40.76 0.6 -0.28 -1.29 -24.59 0.28
OC 0674 47.7 253.7 -40.77 0.6 -0.28 -1.29 -22.14 0.0

💡 Note: The % column shows the percentage of members that ESO 332 08 shares with each listed object.

Visualization
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ESO 332 08 UCC
Galactocentric position diagram