FSR 0198

(SAI 134; MWSC 3232; MWSC 3230)

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0.85 UTI
0.76
CN
1.0
Cdens
0.75
CC3
0.86
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 125
Radius (P>50% members) 3.5 [arcmin]
  • CN 0.76 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.86 Well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
ℹī¸
FSR 0198 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, very young cluster (see Parameters). It is well-studied in the literature.
Relatively close Moderate extinction Near-solar metallicity Very young

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

Data
🔍 Search references for FSR 0198 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 – 300.611 35.685 0.472 -3.523 -6.57 –
Almeida et al. 2025 300.615 35.67 – – – –
Celli et al. 2024 300.614 35.681 – – – –
Almeida et al. 2023 300.603 35.673 – – – –
Just et al. 2023 300.613 35.682 – – – –
Dias et al. 2021 300.615 35.67 0.489 -3.622 -6.643 –
Cantat-Gaudin et al. 2020 300.614 35.681 0.486 -3.56 -6.611 –
Cantat-Gaudin & Anders 2020 300.614 35.681 0.486 -3.56 -6.611 –
Soubiran et al. 2018 300.614 35.681 – – – 12.13
Bica et al. 2019 300.608 35.694 – – – –
Cantat-Gaudin et al. 2018 300.614 35.681 0.486 -3.56 -6.611 –
Kharchenko et al. 2016 300.613 35.682 – – – –
Dias et al. 2014 300.6 35.693 – -3.71 -3.74 -13.0
Kharchenko et al. 2013 300.618 35.685 – -3.34 -3.0 11.0
Glushkova et al. 2010 300.612 35.676 – – – –
Froebrich et al. 2007 300.6 35.689 – – – –
Dias et al. 2002 300.613 35.675 – -2.63 -4.93 -13.0

💡 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 1.83 2.58 – 9 – 576 – –
Celli et al. 2024 – – – 5 – 451 – –
Almeida et al. 2023 1.84 2.90 – 7 0.103 545* 0.68 –
Just et al. 2023 – – – 4 – 404 – –
Dias et al. 2021 1.83 2.58 – 9 0.209 – – –
Cantat-Gaudin et al. 2020 2.18 2.49 – 5 – – – –
Cantat-Gaudin & Anders 2020 1.94 – – – – – – –
Soubiran et al. 2018 1.94 – – – – – – –
Cantat-Gaudin et al. 2018 1.94 – – – – – – –
Kharchenko et al. 2016 2.30 2.77 – 4 – – – –
Kharchenko et al. 2013 2.30 2.77 – 4 – – – –
Dias et al. 2002 1.70 2.98 – 10 – – – –

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

Visualization
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FSR 0198 UCC
FSR 0198 CANTAT20
Galactocentric position diagram