FSR 0224

(MWSC 3335)

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0.66 UTI
0.26
CN
1.0
Cdens
0.75
CC3
0.65
Clit
1.0
Cdup
C3 classification BA
Number of members (P>50%) 26
Radius (P>50% members) 3.2 [arcmin]
  • CN 0.26 Poorly populated
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.65 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 0224 is a poorly populated, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, above the mid-plane, affected by high extinction. It is catalogued as a near-solar metallicity, very young cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is moderately studied in the literature.

Note: This object shares a large percentage of members with a later reported entry. See table with shared members information.

Relatively close High extinction Near-solar metallicity Very young

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

Cavallo et al. (2024)
Silver sample.

Data
🔍 Search references for FSR 0224 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 – 306.341 40.207 0.573 -3.167 -4.33 61.526
Almeida et al. 2025 306.351 40.224 – – – –
Hunt & Reffert 2024 306.339 40.22 0.574 -3.162 -4.327 19.226
Cavallo et al. 2024 306.33 40.198 0.58 – – –
Hunt & Reffert 2023 306.339 40.22 0.574 -3.162 -4.327 19.226
Almeida et al. 2023 306.352 40.225 – – – –
Just et al. 2023 306.34 40.223 – – – –
Dias et al. 2021 306.351 40.224 0.566 -3.242 -4.373 –
Kharchenko et al. 2016 306.34 40.223 – – – –
Kharchenko et al. 2013 306.345 40.226 – -5.25 -7.05 –
Froebrich et al. 2007 306.337 40.227 – – – –
Dias et al. 2002 306.337 40.227 – -5.25 -7.05 –

💡 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 1.71 3.06 – 5 – 152 – –
Hunt & Reffert 2024 – – – – – 292* – –
Cavallo et al. 2024 1.64 3.13 – 11 1.050 – – –
Hunt & Reffert 2023 1.68 3.51 2.42 4 – – – –
Almeida et al. 2023 1.65 3.28 – 5 0.040 177* 0.77 –
Just et al. 2023 – – – 1012 – 60 – –
Dias et al. 2021 1.71 3.06 – 5 0.242 – – –
Kharchenko et al. 2016 1.43 2.19 – 1012 – – – –
Kharchenko et al. 2013 1.43 2.19 – 1012 – – – –
Dias et al. 2002 1.43 2.19 – 1012 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OC 0121 92.3 306.34 40.21 0.58 -3.16 -4.33 61.53 0.02

💡 Note: The % column shows the percentage of members that FSR 0224 shares with each listed object.

Visualization
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FSR 0224 UCC
FSR 0224 HUNT23
Galactocentric position diagram