Melotte 128
(Collinder 286; VDBH 163; NGC 5715; ESO 176 02; OCL 929; vdBergh-Hagen 163; MWSC 2245; FoF 431)
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UTI:
UCC Trust Index
Melotte 128 is a rich, very dense object of very high C3 quality. It is very well-studied in the literature. This object shares a small percentage of members with a later reported entry. |
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| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 276 | 3.5 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 220.875 | -57.577 | – | -1.76 | -2.0 | – |
| Kharchenko et al. (2012) | 220.875 | -57.567 | – | -3.66 | -0.42 | – |
| Bica et al. (2019) | 220.864 | -57.584 | – | – | – | – |
| Liu & Pang (2019) | 220.872 | -57.562 | 0.439 | -3.473 | -2.287 | – |
| Cantat-Gaudin et al. (2020) | 220.859 | -57.578 | 0.435 | -3.487 | -2.324 | – |
| Dias et al. (2021) | 220.863 | -57.575 | 0.437 | -3.49 | -2.301 | -26.1 |
| Hunt & Reffert (2023) | 220.87 | -57.578 | 0.459 | -3.461 | -2.301 | -27.613 |
| Cavallo et al. (2024) | 220.849 | -57.576 | 0.462 | – | – | – |
| Hunt & Reffert (2024) | 220.87 | -57.578 | 0.459 | -3.461 | -2.301 | -27.613 |
| Hu & Soubiran (2025) | 220.849 | -57.576 | – | – | – | – |
| UCC | 220.855 | -57.578 | 0.456 | -3.468 | -2.303 | -26.834 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.42, Dist=1500.0, Age=8.9 |
| Kharchenko et al. (2012) | e_bv=0.468, distance=1490, log_age=8.97 |
| Liu & Pang (2019) | Age=0.398, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=1.68, DMNN=11.63, AgeNN=8.73 |
| Dias et al. (2021) | Av=1.752, Dist=1729, logage=8.817, [Fe/H]=0.287 |
| Hunt & Reffert (2023) | AV50=2.083, diffAV50=1.089, MOD50=11.528, logAge50=8.435 |
| Cavallo et al. (2024) | AV50=2.05, dMod50=11.26, logAge50=8.71, [Fe/H]50=0.37 |
| Hunt & Reffert (2024) | MassJ=1945.25 |
| Hu & Soubiran (2025) | MA22=-0.16, MA23f=-0.18, MA23g=0.16, MZ23=0.02, MK24=-0.09, MF24=-0.17 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0618 | 17.4 | 220.87 | -57.58 | 0.48 | -3.51 | -2.29 | -26.28 | 0.0 |