FSR 1183

(MWSC 1144)

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0.70 UTI
0.64
CN
1.0
Cdens
0.38
CC3
0.75
Clit
1.0
Cdup
C3 classification CB
Number of members (P>50%) 77
Radius (P>50% members) 2.5 [arcmin]
  • CN 0.64 Moderately populated
  • Cdens 1.0 Very dense
  • CC3 0.38 Low quality
  • Clit 0.75 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 1183 is a moderately populated, very dense object of low 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 (see Parameters). It is well-studied in the literature.
Relatively close Moderate extinction Near-solar metallicity Intermediate age

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for FSR 1183 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 – 108.357 -9.889 0.415 -1.44 1.237 –
Li et al. 2025 108.357 -9.884 0.428 -1.419 1.217 –
Hunt & Reffert 2024 108.354 -9.891 0.424 -1.434 1.251 –
Cavallo et al. 2024 108.36 -9.883 0.429 – – –
Hunt & Reffert 2023 108.354 -9.891 0.424 -1.434 1.251 –
Just et al. 2023 108.332 -9.89 – – – –
Cantat-Gaudin et al. 2020 108.357 -9.884 0.428 -1.419 1.217 –
Cantat-Gaudin & Anders 2020 108.357 -9.884 0.428 -1.419 1.217 –
Cantat-Gaudin et al. 2018 108.357 -9.884 0.428 -1.419 1.217 –
Kharchenko et al. 2016 108.332 -9.89 – – – –
Dias et al. 2014 108.342 -9.872 – -2.9 -3.22 –
Kharchenko et al. 2013 108.339 -9.892 – -1.47 -0.57 –
Froebrich et al. 2007 108.342 -9.872 – – – –
Dias et al. 2002 108.342 -9.872 – -2.9 -3.22 –

💡 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 2.05 1.03 – 271 -0.066 – – –
Hunt & Reffert 2024 – – – – – 210* – –
Cavallo et al. 2024 1.96 1.16 – 251 -0.130 – – –
Hunt & Reffert 2023 2.12 0.95 1.26 309 – – – –
Just et al. 2023 – – – 385 – 280 – –
Cantat-Gaudin et al. 2020 2.20 0.40 – 182 – – – –
Cantat-Gaudin & Anders 2020 2.19 – – – – – – –
Cantat-Gaudin et al. 2018 2.19 – – – – – – –
Kharchenko et al. 2016 1.63 1.29 – 385 – – – –
Kharchenko et al. 2013 1.63 1.29 – 385 – – – –
Dias et al. 2002 1.63 1.29 – 385 – – – –

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

Visualization
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FSR 1183 UCC
FSR 1183 HUNT23
FSR 1183 CANTAT20
Galactocentric position diagram