FSR 0158

(SAI 130; MWSC 3182)

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0.97 UTI
0.84
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 335
Radius (P>50% members) 3.0 [arcmin]
  • CN 0.84 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very 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 0158 is a rich, very dense object of very high C3 quality. Its parallax locates it at a large distance, near the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, young cluster, but with a large variance across recent sources for the age and mass parameters (see Parameters). It is very well-studied in the literature.
Distant High extinction Near-solar metallicity Young

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

Cavallo et al. (2024)
Silver sample.

Data
🔍 Search references for FSR 0158 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 – 296.995 26.032 0.178 -2.773 -5.447 6.369
Almeida et al. 2025 296.99 26.039 – – – –
Hunt & Reffert 2024 296.989 26.041 0.186 -2.789 -5.458 13.715
Celli et al. 2024 296.99 26.04 – – – –
Cavallo et al. 2024 296.999 26.01 0.184 – – –
Hunt & Reffert 2023 296.989 26.041 0.186 -2.789 -5.458 13.715
Just et al. 2023 297.009 26.038 – – – –
Dias et al. 2021 296.99 26.039 0.131 -2.737 -5.407 –
Cantat-Gaudin et al. 2020 296.99 26.04 0.139 -2.748 -5.432 –
Cantat-Gaudin & Anders 2020 296.99 26.04 0.139 -2.748 -5.432 –
Soubiran et al. 2018 296.99 26.04 – – – 5.37
Bica et al. 2019 296.988 26.029 – – – –
Cantat-Gaudin et al. 2018 296.99 26.04 0.139 -2.748 -5.432 –
Kharchenko et al. 2016 297.009 26.038 – – – –
Kharchenko et al. 2013 297.015 26.04 – -3.37 -4.79 –
Glushkova et al. 2010 296.992 26.032 – – – –
Froebrich et al. 2007 296.996 26.032 – – – –
Dias et al. 2002 296.996 26.032 – 0.58 -6.26 –

💡 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
Almeida et al. 2025 3.73 3.97 – 77 – 476 – –
Hunt & Reffert 2024 – – – – – 5684* – –
Celli et al. 2024 – – – 10 – 150 – –
Cavallo et al. 2024 6.25 4.68 – 21 0.000 – – –
Hunt & Reffert 2023 5.28 5.12 3.10 48 – – – –
Just et al. 2023 – – – 320 – 195 – –
Dias et al. 2021 3.73 3.97 – 77 0.021 – – –
Cantat-Gaudin et al. 2020 6.14 4.39 – 10 – – – –
Cantat-Gaudin & Anders 2020 5.96 – – – – – – –
Soubiran et al. 2018 5.96 – – – – – – –
Cantat-Gaudin et al. 2018 5.96 – – – – – – –
Kharchenko et al. 2016 2.77 3.74 – 320 – – – –
Kharchenko et al. 2013 2.77 3.74 – 320 – – – –
Glushkova et al. 2010 3.60 3.63 – 200 – – – –
Dias et al. 2002 2.77 3.74 – 320 – – – –

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

Visualization
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FSR 0158 UCC
FSR 0158 HUNT23
FSR 0158 CANTAT20
Galactocentric position diagram