FSR 0336

(SAI 145; MWSC 3567)

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0.97 UTI
0.83
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 319
Radius (P>50% members) 5.0 [arcmin]
  • CN 0.83 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 1.0 Very 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 0336 is a rich, very dense object of very high C3 quality. Its parallax locates it at a moderate distance, above the mid-plane, affected by moderate extinction. It is catalogued as a massive, near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age, metallicity, and mass parameters (see Parameters). It is very well-studied in the literature.

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

Relatively close Moderate extinction Massive Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for FSR 0336 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 – 327.711 55.239 0.38 -3.036 -2.893 -15.516
Li et al. 2025 327.711 55.243 0.369 -3.066 -2.855 –
Almeida et al. 2025 327.713 55.24 – – – –
Hunt & Reffert 2024 327.707 55.24 0.373 -3.029 -2.904 12.42
Cavallo et al. 2024 327.717 55.236 0.377 – – –
Hunt & Reffert 2023 327.707 55.24 0.373 -3.029 -2.904 12.42
Just et al. 2023 327.72 55.212 – – – –
Dias et al. 2021 327.713 55.24 0.369 -3.07 -2.847 -26.583
Cantat-Gaudin et al. 2020 327.711 55.243 0.369 -3.066 -2.855 –
Cantat-Gaudin & Anders 2020 327.711 55.243 0.369 -3.066 -2.855 –
Soubiran et al. 2018 327.711 55.243 – – – -27.32
Bica et al. 2019 327.713 55.242 – – – –
Cantat-Gaudin et al. 2018 327.711 55.243 0.369 -3.066 -2.855 –
Loktin & Popova 2017 327.705 55.246 – -4.511 -3.377 –
Kharchenko et al. 2016 327.72 55.212 – – – –
Kharchenko et al. 2013 327.726 55.215 – -4.49 -3.24 –
Kharchenko et al. 2012 327.726 55.215 – -4.49 -3.24 –
Glushkova et al. 2010 327.698 55.275 – – – –
Froebrich et al. 2007 327.712 55.246 – – – –
Dias et al. 2002 327.712 55.246 – -5.74 -7.21 –

💡 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 0.94 1.04 – 7085 -0.034 – – –
Almeida et al. 2025 2.31 3.00 – 12 – 1533 – –
Hunt & Reffert 2024 – – – – – 2617* – –
Cavallo et al. 2024 2.74 3.41 – 54 0.340 – – –
Hunt & Reffert 2023 2.45 3.29 2.34 47 – – – –
Just et al. 2023 – – – 1259 – 46 – –
Dias et al. 2021 2.31 3.00 – 12 0.038 – – –
Cantat-Gaudin et al. 2020 2.67 2.74 – 48 – – – –
Cantat-Gaudin & Anders 2020 2.51 – – – – – – –
Soubiran et al. 2018 2.51 – – – – – – –
Cantat-Gaudin et al. 2018 2.51 – – – – – – –
Loktin & Popova 2017 1.39 2.63 – 398 – – – –
Kharchenko et al. 2016 1.12 1.55 – 1259 – – – –
Kharchenko et al. 2013 1.12 1.55 – 1259 – – – –
Kharchenko et al. 2012 1.12 1.55 – 1259 – – – –
Glushkova et al. 2010 2.16 1.71 – 794 – – – –
Dias et al. 2002 1.12 1.55 – 1259 – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
HSC 776 7.8 327.71 55.22 0.41 -3.07 -2.87 6.62 0.0

💡 Note: The % column shows the percentage of members that FSR 0336 shares with each listed object.

Visualization
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FSR 0336 UCC
FSR 0336 HUNT23
FSR 0336 CANTAT20
Galactocentric position diagram