Gulliver 23

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0.87 UTI
0.85
CN
1.0
Cdens
1.0
CC3
0.75
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 375
Radius (P>50% members) 3.5 [arcmin]
  • CN 0.85 Rich
  • Cdens 1.0 Very dense
  • CC3 1.0 Very high quality
  • Clit 0.75 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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Gulliver 23 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 (see Parameters). It is well-studied in the literature.

Note: This object shares a very small percentage of members with 3 later reported entries. See table with shared members information.

Distant Moderate extinction Massive Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Gulliver 23 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 – 304.257 38.056 0.245 -2.455 -4.481 -2.225
Li et al. 2025 304.255 38.055 0.246 -2.446 -4.444 –
Hu & Soubiran 2025 304.257 38.058 – – – –
Almeida et al. 2025 304.256 38.052 – – – –
Hunt & Reffert 2024 304.263 38.05 0.247 -2.467 -4.487 -0.376
Cavallo et al. 2024 304.257 38.058 0.247 – – –
Hunt & Reffert 2023 304.263 38.05 0.247 -2.467 -4.487 -0.376
Rain et al. 2021 304.255 38.055 0.246 -2.446 -4.444 –
Dias et al. 2021 304.256 38.052 0.246 -2.443 -4.444 -2.97
Cantat-Gaudin et al. 2020 304.255 38.055 0.246 -2.446 -4.444 –
Cantat-Gaudin & Anders 2020 304.255 38.055 0.246 -2.446 -4.444 –
Monteiro & Dias 2019 304.255 38.055 – – – 2.177
Soubiran et al. 2018 304.255 38.055 – – – -3.33
Cantat-Gaudin et al. 2018 304.255 38.055 0.246 -2.446 -4.444 –

💡 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 3.50 2.67 – 476 0.020 – – –
Hu & Soubiran 2025 – – – – -0.170* – – –
Almeida et al. 2025 3.11 2.40 – 593 – 1094 – –
Hunt & Reffert 2024 – – – – – 3433* – –
Cavallo et al. 2024 2.86 2.51 – 676 0.110 – – –
Hunt & Reffert 2023 3.54 2.84 2.13 272 – – – –
Rain et al. 2021 3.64 2.54 – 575 – – – 0
Dias et al. 2021 3.11 2.40 – 593 0.103 – – –
Cantat-Gaudin et al. 2020 3.42 2.18 – 525 – – – –
Cantat-Gaudin & Anders 2020 3.64 – – – – – – –
Monteiro & Dias 2019 3.98 2.57 – 586 0.030 – – –
Soubiran et al. 2018 3.64 – – – – – – –
Cantat-Gaudin et al. 2018 3.64 – – – – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
OC 0112 8.0 304.26 38.06 0.24 -2.43 -4.5 -2.61 0.0
OC 0111 6.7 304.25 38.05 0.22 -2.44 -4.5 -0.14 0.0
CWNU 2040 0.3 304.24 38.19 0.37 -2.2 -4.1 – 0.06

💡 Note: The % column shows the percentage of members that Gulliver 23 shares with each listed object.

Visualization
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Gulliver 23 UCC
Gulliver 23 HUNT23
Gulliver 23 CANTAT20
Galactocentric position diagram