FSR 0385

(MWSC 3653)

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0.91 UTI
0.8
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 243
Radius (P>50% members) 6.9 [arcmin]
  • CN 0.8 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 1.0 Very 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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FSR 0385 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity and mass parameters (see Parameters). It is very well-studied in the literature.
Relatively close Moderate extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for FSR 0385 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 – 340.62 58.941 0.451 -5.921 -3.966 -54.052
Li et al. 2025 340.628 58.941 0.436 -5.939 -3.974 –
Hu & Soubiran 2025 340.584 58.927 – – – –
Almeida et al. 2025 340.621 58.941 – – – –
Hunt & Reffert 2024 340.619 58.931 0.455 -5.919 -3.968 -45.488
Cavallo et al. 2024 340.584 58.927 0.456 – – –
Hunt & Reffert 2023 340.619 58.931 0.455 -5.919 -3.968 -45.488
Almeida et al. 2023 340.614 58.942 – – – –
Just et al. 2023 340.621 58.916 – – – –
Dias et al. 2021 340.621 58.941 0.437 -5.937 -3.995 -54.144
Cantat-Gaudin et al. 2020 340.628 58.941 0.436 -5.939 -3.974 –
Cantat-Gaudin & Anders 2020 340.628 58.941 0.436 -5.939 -3.974 –
Soubiran et al. 2018 340.628 58.941 – – – -54.46
Bica et al. 2019 340.633 58.935 – – – –
Cantat-Gaudin et al. 2018 340.628 58.941 0.436 -5.939 -3.974 –
Kharchenko et al. 2016 340.621 58.916 – – – –
Dias et al. 2014 340.633 58.931 – 0.25 -3.92 –
Kharchenko et al. 2013 340.627 58.92 – -1.1 2.26 –
Kharchenko et al. 2012 340.627 58.92 – -1.1 2.26 –
Froebrich et al. 2007 340.633 58.931 – – – –
Dias et al. 2002 340.633 58.931 – 0.25 -3.92 –

💡 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 1.86 2.56 – 744 0.042 – – –
Hu & Soubiran 2025 – – – – -0.140* – – –
Almeida et al. 2025 2.06 2.54 – 617 – 360 – –
Hunt & Reffert 2024 – – – – – 1333* – –
Cavallo et al. 2024 1.86 2.44 – 676 0.290 – – –
Hunt & Reffert 2023 2.06 2.64 2.18 412 – – – –
Almeida et al. 2023 2.00 2.60 – 615 -0.028 304* 0.76 –
Just et al. 2023 – – – 708 – 6 – –
Dias et al. 2021 2.06 2.54 – 617 -0.004 – – –
Cantat-Gaudin et al. 2020 2.17 2.19 – 708 – – – –
Cantat-Gaudin & Anders 2020 2.15 – – – – – – –
Soubiran et al. 2018 2.15 – – – – – – –
Cantat-Gaudin et al. 2018 2.15 – – – – – – –
Kharchenko et al. 2016 1.73 3.03 – 708 – – – –
Kharchenko et al. 2013 1.73 3.03 – 708 – – – –
Kharchenko et al. 2012 1.73 3.03 – 708 – – – –
Dias et al. 2002 1.73 3.03 – 708 – – – –

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

Visualization
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FSR 0385 UCC
FSR 0385 HUNT23
FSR 0385 CANTAT20
Galactocentric position diagram