FSR 1591

(MWSC 1959)

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0.67 UTI
0.35
CN
0.85
Cdens
0.75
CC3
0.7
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 35
Radius (P>50% members) 2.3 [arcmin]
  • CN 0.35 Poorly populated
  • Cdens 0.85 Dense
  • CC3 0.75 High quality
  • Clit 0.7 Moderately 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 1591 is a poorly populated, dense object of high C3 quality. Its parallax locates it at a moderate distance, below the mid-plane, affected by high extinction. It is catalogued as a metal-poor, intermediate-age cluster (see Parameters). It is moderately studied in the literature.
Distant High extinction Metal-poor Intermediate age

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for FSR 1591 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 – 174.269 -62.726 0.233 -5.508 1.62 -7.324
Hunt & Reffert 2024 174.258 -62.737 0.224 -5.612 1.462 -13.822
Cavallo et al. 2024 174.264 -62.728 0.211 – – –
Hunt & Reffert 2023 174.258 -62.737 0.224 -5.612 1.462 -13.822
Just et al. 2023 174.232 -62.719 – – – –
Cantat-Gaudin et al. 2020 174.222 -62.731 0.255 -5.469 1.67 –
Cantat-Gaudin & Anders 2020 174.222 -62.731 0.255 -5.469 1.67 –
Soubiran et al. 2018 174.222 -62.731 – – – -10.27
Bica et al. 2019 174.232 -62.748 – – – –
Cantat-Gaudin et al. 2018 174.222 -62.731 0.255 -5.469 1.67 –
Kharchenko et al. 2016 174.232 -62.719 – – – –
Kharchenko et al. 2013 174.24 -62.723 – -7.66 0.46 –
Froebrich et al. 2007 174.238 -62.744 – – – –

💡 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
Hunt & Reffert 2024 – – – – – 1356* – –
Cavallo et al. 2024 4.81 5.08 – 138 -0.560 – – –
Hunt & Reffert 2023 3.88 4.92 2.62 182 – – – –
Just et al. 2023 – – – 501 – 83 – –
Cantat-Gaudin & Anders 2020 3.52 – – – – – – –
Soubiran et al. 2018 3.52 – – – – – – –
Cantat-Gaudin et al. 2018 3.52 – – – – – – –
Kharchenko et al. 2016 1.54 2.55 – 501 – – – –
Kharchenko et al. 2013 1.54 2.55 – 501 – – – –

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

Visualization
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FSR 1591 UCC
FSR 1591 HUNT23
FSR 1591 CANTAT20
Galactocentric position diagram