Melotte 108
(Collinder 250; VDBH 123; NGC 3960; ESO 170 14; FSR 1590; OCL 861; vdBergh-Hagen 123; MWSC 1982; FoF 594)
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UTI:
UCC Trust Index
Melotte 108 is a very rich, very dense object of very high C3 quality. It is very well-studied in the literature. This object shares a very small percentage of members with a later reported entry. |
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| C3 | N_50 |
r_50 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 543 | 4.4 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 177.637 | -55.673 | – | -4.75 | 3.97 | -22.26 |
| Chen et al. (2003) | 177.624 | -55.674 | – | – | – | – |
| Kharchenko et al. (2012) | 177.66 | -55.67 | – | -9.88 | -1.61 | – |
| Loktin & Popova (2017) | 177.63 | -55.673 | – | -4.75 | 3.97 | -22.6 |
| Bica et al. (2019) | 177.624 | -55.674 | – | – | – | – |
| Liu & Pang (2019) | 177.643 | -55.676 | 0.406 | -6.51 | 1.84 | – |
| Cantat-Gaudin et al. (2020) | 177.644 | -55.679 | 0.4 | -6.522 | 1.853 | – |
| Dias et al. (2021) | 177.641 | -55.679 | 0.404 | -6.52 | 1.857 | -21.993 |
| Jaehnig et al. (2021) | 177.656 | -55.676 | 0.435 | -6.505 | 1.846 | – |
| Hunt & Reffert (2023) | 177.65 | -55.677 | 0.419 | -6.52 | 1.88 | -22.543 |
| Cavallo et al. (2024) | 177.643 | -55.676 | 0.419 | – | – | – |
| Hunt & Reffert (2024) | 177.65 | -55.677 | 0.419 | -6.52 | 1.88 | -22.543 |
| Hu & Soubiran (2025) | 177.643 | -55.676 | – | – | – | – |
| UCC | 177.647 | -55.676 | 0.417 | -6.516 | 1.879 | -22.324 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.29, Dist=1850.0, Age=9.1, [Fe/H]=0.02 |
| Chen et al. (2003) | E(B-V)=0.302, HDis=2258, Age=0.66, [Fe/H]_1=-0.17 |
| Kharchenko et al. (2012) | e_bv=0.167, distance=1884, log_age=9.11, metallicity=0.02 |
| Loktin & Popova (2017) | E(B-V)=0.302, Dmod=11.769, logt=8.822 |
| Liu & Pang (2019) | Age=0.851, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.84, DMNN=11.85, AgeNN=8.94 |
| Dias et al. (2021) | Av=1.075, Dist=2074, logage=8.98, [Fe/H]=0.003 |
| Hunt & Reffert (2023) | AV50=0.837, diffAV50=0.639, MOD50=11.717, logAge50=8.908 |
| Cavallo et al. (2024) | AV50=1.14, dMod50=11.8, logAge50=8.89, [Fe/H]50=0.18 |
| Hunt & Reffert (2024) | MassJ=3005.87 |
| Hu & Soubiran (2025) | MA22=-0.2, MA23f=-0.3, MA23g=-0.09, MZ23=-0.36, MK24=-0.28, MF24=-0.26 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 1624 | 4.6 | 177.61 | -55.68 | 0.45 | -6.48 | 1.89 | 0.52 | 0.0 |