FSR 0261

(MWSC 3423)

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0.72 UTI
0.85
CN
1.0
Cdens
0.75
CC3
0.5
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 360
Radius (P>50% members) 5.2 [arcmin]
  • CN 0.85 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 High quality
  • Clit 0.5 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 0261 is a rich, very dense object of high C3 quality. Its parallax locates it at a moderate* distance, near the mid-plane, affected by high extinction. It is catalogued as a massive, metal-rich, intermediate-age cluster (see Parameters). It is moderately studied in the literature.

(*): The parallax distance estimate (~3.58 kpc) differs significantly from the median photometric distance (~0.85 kpc).

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

Close High extinction Massive Metal-rich Intermediate age

Cavallo et al. (2024)
Wood sample.

Data
🔍 Search references for FSR 0261 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 – 313.44 43.106 0.279 -1.977 -4.053 -40.355
Hunt & Reffert 2024 313.448 43.106 0.302 -1.941 -4.067 -58.571
Cavallo et al. 2024 313.431 43.109 0.301 – – –
Hunt & Reffert 2023 313.448 43.106 0.302 -1.941 -4.067 -58.571
Just et al. 2023 313.442 43.111 – – – –
Kharchenko et al. 2016 313.442 43.111 – – – –
Kharchenko et al. 2013 313.447 43.115 – -1.7 -3.6 –
Froebrich et al. 2007 313.45 43.11 – – – –
Dias et al. 2002 313.45 43.11 – -1.7 -3.6 –

💡 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 – – – – – 2168* – –
Cavallo et al. 2024 3.25 5.21 – 78 0.660 – – –
Hunt & Reffert 2023 2.88 5.87 2.76 224 – – – –
Just et al. 2023 – – – 188 – 39 – –
Kharchenko et al. 2016 0.85 4.32 – 188 – – – –
Kharchenko et al. 2013 0.85 4.32 – 188 – – – –
Dias et al. 2002 0.85 4.32 – 188 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWNU 1302 16.1 313.44 43.1 0.3 -1.92 -4.08 -41.09 0.0

💡 Note: The % column shows the percentage of members that FSR 0261 shares with each listed object.

Visualization
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FSR 0261 UCC
FSR 0261 HUNT23
Galactocentric position diagram