FSR 0951

(MWSC 849; FoF 1380)

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0.91 UTI
0.81
CN
1.0
Cdens
0.75
CC3
1.0
Clit
1.0
Cdup
C3 classification AB
Number of members (P>50%) 259
Radius (P>50% members) 9.0 [arcmin]
  • CN 0.81 Rich
  • Cdens 1.0 Very dense
  • CC3 0.75 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 0951 is a rich, very dense object of high C3 quality. Its parallax locates it at a relatively close distance, near the mid-plane, affected by moderate extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the metallicity parameter (see Parameters). It is very well-studied in the literature.
Relatively close Moderate extinction Near-solar metallicity Intermediate age

Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit. Gold sample.

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for FSR 0951 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 – 95.565 14.65 0.564 0.214 0.03 43.986
Li et al. 2025 95.573 14.65 0.553 0.242 0.07 –
Almeida et al. 2025 95.591 14.636 – – – –
Zhang et al. 2024 95.544 14.658 – – – –
Hunt & Reffert 2024 95.544 14.658 0.562 0.226 0.013 42.078
Cavallo et al. 2024 95.573 14.625 0.564 – – –
Hunt & Reffert 2023 95.544 14.658 0.562 0.226 0.013 42.078
Almeida et al. 2023 95.596 14.628 – – – –
Just et al. 2023 95.577 14.706 – – – –
Dias et al. 2021 95.591 14.636 0.546 0.28 0.047 41.857
Cantat-Gaudin et al. 2020 95.573 14.65 0.553 0.242 0.07 –
Cantat-Gaudin & Anders 2020 95.573 14.65 0.553 0.242 0.07 –
Liu & Pang 2019 95.574 14.626 0.546 0.273 -0.001 –
Bossini et al. 2019 95.573 14.65 – – – –
Soubiran et al. 2018 95.573 14.65 – – – 45.53
Bica et al. 2019 95.585 14.712 – – – –
Cantat-Gaudin et al. 2018 95.573 14.65 0.553 0.242 0.07 –
Kharchenko et al. 2016 95.577 14.706 – – – –
Kharchenko et al. 2013 95.584 14.705 – -0.26 -0.84 42.0
Froebrich et al. 2007 95.579 14.712 – – – –

💡 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 1.78 1.02 – 472 0.148 – – –
Almeida et al. 2025 1.61 1.32 – 397 – 755 – –
Zhang et al. 2024 – – – – -0.051* – – –
Hunt & Reffert 2024 – – – – – 893* – –
Cavallo et al. 2024 1.75 1.11 – 490 0.290 – – –
Hunt & Reffert 2023 1.63 0.79 1.08 571 – – – –
Almeida et al. 2023 1.58 1.21 – 619 -0.110 916* 0.45 –
Just et al. 2023 – – – 501 – 225 – –
Dias et al. 2021 1.61 1.32 – 397 -0.069 – – –
Cantat-Gaudin et al. 2020 1.75 0.81 – 525 – – – –
Cantat-Gaudin & Anders 2020 1.72 – – – – – – –
Liu & Pang 2019 – – – 977 -2.000 – – –
Bossini et al. 2019 2.10 1.15 – 388 0.000 – – –
Soubiran et al. 2018 1.72 – – – – – – –
Cantat-Gaudin et al. 2018 1.72 – – – – – – –
Kharchenko et al. 2016 1.62 1.48 – 501 – – – –
Kharchenko et al. 2013 1.62 1.48 – 501 – – – –

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

Visualization
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FSR 0951 UCC
FSR 0951 HUNT23
FSR 0951 CANTAT20
Galactocentric position diagram