Gulliver 23
0.87
UTI
0.85
CN
1.0
Cdens
1.0
CC3
0.75
Clit
1.0
Cdup
Stellar density (N50/rad)
21.8 [N/pc2]
- CN 0.85 Rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 0.75 Well-studied
- Cdup 1.0 Unique
Overview
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, but with a large variance across recent sources for the distance parameter (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.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999â | 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 | â |
| Hu & Soubiran | 2025 | 304.257 | 38.058 | â | â | â | â |
| Almeida et al. | 2025 | 304.256 | 38.052 | â | â | â | â |
| 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 | â | â | â |
| 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 | â |
| 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 | â |
| Cantat-Gaudin & Anders | 2020 | 304.255 | 38.055 | 0.246 | -2.446 | -4.444 | â |
| Monteiro & Dias | 2019 | 304.255 | 38.055 | â | â | â | 2.177 |
| Soubiran et al. | 2018 | 304.255 | 38.055 | â | â | â | -3.33 |
| Cantat-Gaudin et al. | 2018 | 304.255 | 38.055 | 0.246 | -2.446 | -4.444 | â |
đĄ 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 | 99999â | 3.59 | 2.51 | 2.13 | 575 | 0.030 | 2264 | â | 0.0 |
| Liu et al. | 2025 | 10.81 | 0.93 | â | 355 | â | â | â | â |
| Li et al. | 2025 | 3.50 | 2.67 | â | 476 | 0.020 | â | â | â |
| Hu & Soubiran | 2025 | â | â | â | â | -0.170(5) | â | â | â |
| Almeida et al. | 2025 | 3.11 | 2.40 | â | 593 | â | 1094 | â | â |
| Hunt & Reffert | 2024 | â | â | â | â | â | 3433(1) | â | â |
| Cavallo et al. | 2024 | 2.86 | 2.51 | â | 676 | 0.110 | â | â | â |
| Hunt & Reffert | 2023 | 3.54 | 2.84 | 2.13 | 272 | â | â | â | â |
| Rain et al. | 2021 | 3.64 | 2.54 | â | 575 | â | â | â | 0 |
| Dias et al. | 2021 | 3.11 | 2.40 | â | 593 | 0.103 | â | â | â |
| Cantat-Gaudin et al. | 2020 | 3.42 | 2.18 | â | 525 | â | â | â | â |
| Cantat-Gaudin & Anders | 2020 | 3.64 | â | â | â | â | â | â | â |
| Monteiro & Dias | 2019 | 3.98 | 2.57 | â | 586 | 0.030 | â | â | â |
| Soubiran et al. | 2018 | 3.64 | â | â | â | â | â | â | â |
| Cantat-Gaudin et al. | 2018 | 3.64 | â | â | â | â | â | â | â |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Liu et al. (2025)
Classified as hyperbolic encounter pair 34 along with Berkeley_85.
Palma et al. (2025)
Part of multiple system G94, along with UBC_1100 and Berkeley_85.
Piecka & Paunzen (2021)
Belongs to cluster aggregate 'Agg36' along with Feibelman 1.
Cavallo et al. (2024)
Gold sample.
Almeida et al. (2025)
Mass determination: intermediate fit. Isochrone match: good fit. Silver sample.