Melotte 110
(Collinder 255; VDBH 130; NGC 4349; MWSC 2024; OCL 882; vdBergh-Hagen 130; ESO 131 03; FSR 1614; FoF 422)
1.0
UTI
1.0
CN
1.0
Cdens
1.0
CC3
1.0
Clit
1.0
Cdup
Stellar density (N50/rad)
96.0 [N/pc2]
- CN 1.0 Very rich
- Cdens 1.0 Very dense
- CC3 1.0 Very high quality
- Clit 1.0 Very well-studied
- Cdup 1.0 Unique
Overview
Melotte 110 is a very rich, very dense object of very high C3 quality. Its parallax locates it at a relatively close distance, near 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 mass parameter (see Parameters). It is very well-studied in the literature.
Data
| Reference | Year | RA [deg] | DEC [deg] | Plx [mas] | pmRA [mas/yr] | pmDE [mas/yr] | Rv [km/s] |
|---|---|---|---|---|---|---|---|
| UCC | 99999β | 186.056 | -61.863 | 0.519 | -7.845 | -0.264 | -12.561 |
| Li et al. | 2025 | 186.048 | -61.866 | 0.49 | -7.827 | -0.296 | β |
| Hu & Soubiran | 2025 | 186.062 | -61.863 | β | β | β | β |
| Almeida et al. | 2025 | 186.047 | -61.869 | β | β | β | β |
| Hunt & Reffert | 2024 | 186.055 | -61.864 | 0.524 | -7.841 | -0.258 | -14.223 |
| Cavallo et al. | 2024 | 186.062 | -61.863 | 0.525 | β | β | β |
| Hunt & Reffert | 2023 | 186.055 | -61.864 | 0.524 | -7.841 | -0.258 | -14.223 |
| Just et al. | 2023 | 186.051 | -61.866 | β | β | β | β |
| Jaehnig et al. | 2021 | 186.058 | -61.862 | 0.529 | -7.832 | -0.304 | β |
| Rain et al. | 2021 | 186.048 | -61.866 | 0.49 | -7.827 | -0.296 | β |
| Dias et al. | 2021 | 186.047 | -61.869 | 0.491 | -7.825 | -0.298 | -11.773 |
| Cantat-Gaudin et al. | 2020 | 186.048 | -61.866 | 0.49 | -7.827 | -0.296 | β |
| SΓ‘nchez et al. | 2020 | 186.033 | -61.872 | β | -7.828 | -0.292 | β |
| Cantat-Gaudin & Anders | 2020 | 186.048 | -61.866 | 0.49 | -7.827 | -0.296 | β |
| Liu & Pang | 2019 | 186.055 | -61.858 | 0.493 | -7.787 | -0.249 | β |
| Bossini et al. | 2019 | 186.048 | -61.866 | β | β | β | β |
| Soubiran et al. | 2018 | 186.048 | -61.866 | β | β | β | -11.46 |
| Bica et al. | 2019 | 186.033 | -61.881 | β | β | β | β |
| Cantat-Gaudin et al. | 2018 | 186.048 | -61.866 | 0.49 | -7.827 | -0.296 | β |
| Loktin & Popova | 2017 | 186.03 | -61.872 | β | -12.378 | -4.928 | -15.0 |
| Kharchenko et al. | 2016 | 186.051 | -61.866 | β | β | β | β |
| Dias et al. | 2014 | 186.033 | -61.872 | β | -1.9 | -0.16 | β |
| Kharchenko et al. | 2013 | 186.06 | -61.87 | β | -9.57 | -1.75 | -15.0 |
| Gozha et al. | 2012 | 186.033 | -61.872 | β | β | β | β |
| Piskunov et al. | 2008 | 186.058 | -61.862 | β | β | β | β |
| Kharchenko et al. | 2007 | 186.03 | -61.87 | β | 0.22 | β | -15.69 |
| Piskunov et al. | 2007 | 186.058 | -61.862 | β | β | β | β |
| van den Bergh | 2006 | 186.05 | -61.867 | β | β | β | β |
| Kharchenko et al. | 2005 | 186.06 | -61.87 | β | -6.41 | 0.33 | -15.69 |
| Kharchenko et al. | 2003 | 186.07 | -61.88 | β | -6.31 | 0.67 | β |
| Chen et al. | 2003 | 186.011 | -61.88 | β | β | β | β |
| Dias et al. | 2002 | 186.033 | -61.872 | β | -5.77 | 1.44 | -11.87 |
π‘ 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 | 99999β | 1.99 | 1.18 | 0.57 | 257 | -0.120 | 2481 | β | 0.0 |
| Li et al. | 2025 | 1.61 | 1.04 | β | 600 | -0.150 | β | β | β |
| Hu & Soubiran | 2025 | β | β | β | β | -0.300(5) | β | β | β |
| Almeida et al. | 2025 | 1.66 | 1.30 | β | 342 | β | 767 | β | β |
| Hunt & Reffert | 2024 | β | β | β | β | β | 4106(1) | β | β |
| Cavallo et al. | 2024 | 1.55 | 1.24 | β | 525 | -0.190 | β | β | β |
| Hunt & Reffert | 2023 | 1.79 | 0.86 | 0.57 | 352 | β | β | β | β |
| Just et al. | 2023 | β | β | β | 257 | β | 1186 | β | β |
| Jaehnig et al. | 2021 | 1.88(1) | β | β | β | β | β | β | β |
| Rain et al. | 2021 | 1.93 | 1.15 | β | 282 | β | β | β | 0 |
| Dias et al. | 2021 | 1.66 | 1.30 | β | 342 | -0.034 | β | β | β |
| Cantat-Gaudin et al. | 2020 | 1.92 | 1.01 | β | 316 | β | β | β | β |
| Cantat-Gaudin & Anders | 2020 | 1.93 | β | β | β | β | β | β | β |
| Liu & Pang | 2019 | β | β | β | 977 | -2.000 | β | β | β |
| Bossini et al. | 2019 | 1.99 | 1.16 | β | 282 | -0.070 | β | β | β |
| Soubiran et al. | 2018 | 1.93 | β | β | β | β | β | β | β |
| Cantat-Gaudin et al. | 2018 | 1.93 | β | β | β | β | β | β | β |
| Loktin & Popova | 2017 | 2.18 | 1.17 | β | 212 | β | β | β | β |
| Kharchenko et al. | 2016 | 2.15 | 1.39 | β | 257 | β | β | β | β |
| Kharchenko et al. | 2013 | 2.15 | 1.39 | β | 257 | 0.105 | β | β | β |
| Gozha et al. | 2012 | 2.18 | β | β | 207 | -0.120 | 4365 | β | β |
| Piskunov et al. | 2008 | 2.18 | 1.18 | β | 209 | β | 3776(1) | β | β |
| Piskunov et al. | 2007 | 2.18 | 1.18 | β | 209 | β | 637 | β | β |
| van den Bergh | 2006 | 2.18 | 1.18 | β | 209 | β | β | β | β |
| Kharchenko et al. | 2005 | 2.18 | 1.18 | β | 209 | β | β | β | β |
| Kharchenko et al. | 2003 | 2.18 | 1.18 | β | β | β | β | β | β |
| Chen et al. | 2003 | 2.18 | 1.19 | β | 200 | -0.120(1) | β | β | β |
| Dias et al. | 2002 | 2.18 | 1.19 | β | 207 | -0.120 | β | β | β |
(N): Indicates that there are N extra values assigned to this parameter in the corresponding reference.
MOCA


Almeida et al. (2025)
Mass determination: good fit. Isochrone match: good fit.
Cavallo et al. (2024)
Gold sample.