Gulliver 56

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0.57 UTI
0.76
CN
0.45
Cdens
0.75
CC3
0.45
Clit
1.0
Cdup
Nm (P>50%) 128
Core radius and density 2.3 [pc], 2.3 [pc-2]
C3 classification AB
  • CN 0.76 Rich
  • Cdens 0.45 Loose
  • CC3 0.75 High quality
  • Clit 0.45 Poorly 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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Gulliver 56 is a rich, loose object of high C3 quality. Its parallax locates it at a moderate distance, above 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 mass parameter (see Parameters). It is poorly studied in the literature.

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

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

Cavallo et al. (2024)
Gold sample.

Hunt & Reffert (2024)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hunt & Reffert (2023)
Classified as open cluster. CMD class: 1.00 (50th percentile).

Hu et al. (2021)
Ellipticities (core, all): e_core=0.1417, e_all=0.1589.

Piecka & Paunzen (2021)
Belongs to cluster aggregate 'Agg42' along with UBC 73.

Data
🔍 Search references for Gulliver 56 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– 95.383 26.924 0.439 0.444 -3.195 31.754
Li et al. 2025 95.38 26.909 0.458 0.534 -3.24 –
Hu & Soubiran 2025 95.387 26.94 – – – –
Almeida et al. 2025 95.389 26.928 – – – –
Zhang et al. 2024 95.392 26.901 – – – –
Hunt & Reffert 2024 95.392 26.901 0.428 0.426 -3.185 70.304
Cavallo et al. 2024 95.387 26.94 0.431 – – –
Hunt & Reffert 2023 95.392 26.901 0.428 0.426 -3.185 70.304
Almeida et al. 2023 95.389 26.924 – – – –
Jadhav & Subramaniam 2021 95.38 26.909 – – – –
Dias et al. 2021 95.389 26.928 0.459 0.545 -3.247 –
Cantat-Gaudin et al. 2020 95.38 26.909 0.458 0.534 -3.24 –
Zhong et al. 2020 95.38 26.909 – 0.534 -3.24 33.637
Cantat-Gaudin & Anders 2020 95.38 26.909 0.458 0.534 -3.24 –
Monteiro & Dias 2019 95.38 26.909 – – – 2.246
Cantat-Gaudin et al. 2018 95.38 26.909 0.458 0.534 -3.24 –

💡 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– 2.05 0.83 1.05 407 -0.115 216 0.53 0
Li et al. 2025 1.93 0.85 – 416 -0.135 – – –
Hu & Soubiran 2025 – – – – -0.130(5) – – –
Almeida et al. 2025 1.94 0.97 – 224 – 163 – –
Zhang et al. 2024 – – – – -0.156(1) – – –
Hunt & Reffert 2024 2.05 0.38 1.05 619 – 614(1) – –
Cavallo et al. 2024 2.07 0.64 – 661 0.120 – – –
Hunt & Reffert 2023 2.05 0.38 1.05 618 – – – –
Almeida et al. 2023 1.96 0.90 – 331 -0.084 269(1) 0.53 –
Jadhav & Subramaniam 2021 2.07 0.44 – 407 – 106 – 0(1)
Dias et al. 2021 1.94 0.97 – 224 -0.100 – – –
Cantat-Gaudin et al. 2020 2.07 0.44 – 407 – – – –
Kounkel et al. 2020 2.08 0.83 – 324 – – – –
Zhong et al. 2020 2.05(1) – – – -0.190 – – –
Cantat-Gaudin & Anders 2020 2.05 – – – – – – –
Monteiro & Dias 2019 2.61 1.05 – 223 0.029 – – –
Cantat-Gaudin et al. 2018 2.05 – – – – – – –

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

Cluster % RA DEC Plx pmRA pmDE Rv UTI
UBC 73 75.0 95.38 26.92 0.44 0.42 -3.18 31.75 0.0
OC 0304 39.8 95.38 26.9 0.44 0.43 -3.18 27.53 0.0

💡 Note: The % column shows the percentage of members that Gulliver 56 shares with each listed object.

Visualization
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Gulliver 56 UCC
Gulliver 56 HUNT23
Gulliver 56 CANTAT20
Galactocentric position diagram