Gulliver 21

(FoF 2276)

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0.96 UTI
0.81
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
C3 classification AA
Number of members (P>50%) 260
Radius (P>50% members) 23.1 [arcmin]
  • CN 0.81 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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Gulliver 21 is a rich, very dense object of very high C3 quality. Its parallax locates it at a close distance, below 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 absorption parameter (see Parameters). It is very well-studied in the literature.

Note: This object shares a moderate percentage of members with 2 later reported entries. See table with shared members information.

Close Low extinction Near-solar metallicity Intermediate age

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

Cavallo et al. (2024)
Gold sample.

Data
🔍 Search references for Gulliver 21 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 – 106.912 -25.454 1.534 -1.91 4.207 40.175
Li et al. 2025 106.961 -25.462 1.504 -1.929 4.205 –
Almeida et al. 2025 106.973 -25.458 – – – –
Alfonso et al. 2024 106.89 -25.439 1.505 -1.896 4.202 –
Hunt & Reffert 2024 106.887 -25.509 1.542 -1.909 4.228 39.697
Cavallo et al. 2024 106.949 -25.471 1.541 – – –
Hunt & Reffert 2023 106.887 -25.509 1.542 -1.909 4.228 39.697
Almeida et al. 2023 106.978 -25.474 – – – –
He et al. 2022 106.938 -25.451 1.543 -1.892 4.209 –
Tarricq et al. 2022 106.91 -25.494 1.558 -1.887 4.215 –
Rain et al. 2021 106.961 -25.462 1.504 -1.929 4.205 –
Dias et al. 2021 106.973 -25.458 1.499 -1.935 4.19 43.392
Cantat-Gaudin et al. 2020 106.961 -25.462 1.504 -1.929 4.205 –
Cantat-Gaudin & Anders 2020 106.961 -25.462 1.504 -1.929 4.205 –
Liu & Pang 2019 106.967 -25.47 1.488 -1.932 4.18 –
Monteiro & Dias 2019 106.961 -25.462 – – – 2.437
Bossini et al. 2019 106.961 -25.462 – – – –
Soubiran et al. 2018 106.961 -25.462 – – – 39.86
Cantat-Gaudin et al. 2018 106.961 -25.462 1.504 -1.929 4.205 –

💡 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 0.68 0.01 – 356 0.344 – – –
Almeida et al. 2025 0.65 0.14 – 405 – 156 – –
Alfonso et al. 2024 0.67 0.13 – 280 0.068 – – –
Hunt & Reffert 2024 – – – – – 345* – –
Cavallo et al. 2024 0.66 0.40 – 151 0.330 – – –
Hunt & Reffert 2023 0.61 0.11 0.39 282 – – – –
Almeida et al. 2023 0.64 0.05 – 150 0.111 281* 0.60 –
He et al. 2022 – 0.30 – 282 – – – –
Tarricq et al. 2022 0.66 – – 288 – – – –
Rain et al. 2021 0.65 0.16 – 339 – – – 0
Dias et al. 2021 0.65 0.14 – 405 0.067 – – –
Cantat-Gaudin et al. 2020 0.67 0.13 – 275 – – – –
Cantat-Gaudin & Anders 2020 0.65 – – – – – – –
Liu & Pang 2019 – – – 282 0.250 – – –
Monteiro & Dias 2019 0.61 0.17 – 344 0.020 – – –
Bossini et al. 2019 0.62 0.19 – 296 0.000 – – –
Soubiran et al. 2018 0.65 – – – – – – –
Cantat-Gaudin et al. 2018 0.65 – – – – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
CWWDL 14306 27.7 106.91 -25.47 1.54 -1.88 4.22 40.12 0.0
CWWDL 14307 13.5 107.03 -25.36 1.53 -1.92 4.17 41.0 0.0

💡 Note: The % column shows the percentage of members that Gulliver 21 shares with each listed object.

Visualization
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Gulliver 21 UCC
Gulliver 21 HUNT23
Gulliver 21 CANTAT20
Galactocentric position diagram