COIN-Gaia 25

(COIN 25; FoF 2301)

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0.90 UTI
0.75
CN
1.0
Cdens
1.0
CC3
0.87
Clit
1.0
Cdup
N50 (P>50% members) 107
Stellar density (N50/rad) 7.1 [N/pc2]
C3 classification AA
  • CN 0.75 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.87 Well-studied
  • Cdup 1.0 Unique
đŸ“Ĩ Members 📊 Colab đŸ”Ŧ Bayestar19 MOCAMOCA 🔍 CDS 🔍 Simbad 🔍 CDS (Îą, δ) 🔍 Simbad (Îą, δ)

Overview
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COIN-Gaia 25 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, near the mid-plane, affected by low extinction. It is catalogued as a near-solar metallicity, intermediate-age cluster, but with a large variance across recent sources for the age and metallicity parameters (see Parameters). It is well-studied in the literature.

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

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for COIN-Gaia 25 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 99999– 91.718 20.305 1.229 -0.503 -2.634 -14.538
Li et al. 2025 91.691 20.276 1.201 -0.499 -2.595 –
Wei et al. 2025 91.673 20.237 1.223 -0.518 -2.673 –
Almeida et al. 2025 91.677 20.253 – – – –
Alfonso et al. 2024 91.68 20.239 1.183 -0.503 -2.666 –
Zhang et al. 2024 91.662 20.457 – – – –
Hunt & Reffert 2024 91.662 20.457 1.226 -0.492 -2.651 -13.562
Cavallo et al. 2024 91.66 20.272 1.228 – – –
Hunt & Reffert 2023 91.662 20.457 1.226 -0.492 -2.651 -13.562
Almeida et al. 2023 91.605 20.225 – – – –
He et al. 2022 91.678 20.3 1.231 -0.507 -2.646 –
Tarricq et al. 2022 91.812 20.451 1.231 -0.5 -2.652 –
Dias et al. 2021 91.677 20.253 1.208 -0.51 -2.632 -14.298
Cantat-Gaudin et al. 2020 91.691 20.276 1.201 -0.499 -2.595 –
Cantat-Gaudin & Anders 2020 91.691 20.276 1.201 -0.499 -2.595 –
Liu & Pang 2019 91.657 20.249 1.183 -0.599 -2.694 –
Monteiro & Dias 2019 91.691 20.276 – – – 2.502
Cantat-Gaudin et al. 2019 91.691 20.276 1.2 -0.5 -2.65 –

💡 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] Bfrac BSS
UCC 99999– 0.81 0.61 0.71 618 0.012 263 0.445 –
Li et al. 2025 0.78 0.42 – 776 0.026 – – –
Wei et al. 2025 0.82 0.71 – 1100 -0.500 416 0.44 –
Almeida et al. 2025 0.77 0.61 – 625 – 206 – –
Alfonso et al. 2024 0.82 0.38 – 781 0.012 – – –
Zhang et al. 2024 – – – – -0.100(1) – – –
Hunt & Reffert 2024 – – – – – 215(1) – –
Cavallo et al. 2024 0.82 0.65 – 490 0.310 – – –
Hunt & Reffert 2023 0.77 0.36 0.71 574 – – – –
Almeida et al. 2023 0.79 0.66 – 618 -0.046 311(1) 0.45 –
He et al. 2022 – 0.85 – 316 – – – –
Tarricq et al. 2022 0.81 – – 603 – – – –
Dias et al. 2021 0.77 0.61 – 625 0.012 – – –
Cantat-Gaudin et al. 2020 0.82 0.38 – 562 – – – –
Cantat-Gaudin & Anders 2020 0.81 – – – – – – –
Liu & Pang 2019 – – – 1180 -0.500 – – –
Monteiro & Dias 2019 0.86 0.62 – 557 0.022 – – –
Cantat-Gaudin et al. 2019 0.81 – – – – – – –

(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 14374 53.3 91.74 20.31 1.23 -0.54 -2.61 -14.27 0.0

💡 Note: The % column shows the percentage of members that COIN-Gaia 25 shares with each listed object.

Visualization
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COIN-Gaia 25 UCC
COIN-Gaia 25 HUNT23
COIN-Gaia 25 CANTAT20
Galactocentric position diagram