Melotte 90
(Collinder 195; VDBH 48; NGC 2658; ESO 432 04; FSR 1373; OCL 723; vdBergh-Hagen 48; MWSC 1542; FoF 593)
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UTI:
UCC Trust Index
Melotte 90 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 | 726 | 4.0 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 130.863 | -32.658 | – | -1.51 | 1.66 | – |
| Kharchenko et al. (2012) | 130.875 | -32.665 | – | -3.13 | 1.7 | – |
| Loktin & Popova (2017) | 130.86 | -32.658 | – | -2.455 | 1.854 | – |
| Bica et al. (2019) | 130.866 | -32.662 | – | – | – | – |
| Bossini et al. (2019) | 130.868 | -32.662 | – | – | – | – |
| Liu & Pang (2019) | 130.855 | -32.671 | 0.247 | -2.587 | 2.326 | – |
| Cantat-Gaudin et al. (2020) | 130.868 | -32.662 | 0.197 | -2.481 | 2.269 | – |
| Dias et al. (2021) | 130.865 | -32.662 | 0.197 | -2.483 | 2.265 | 54.314 |
| Jaehnig et al. (2021) | 130.87 | -32.661 | 0.228 | -2.48 | 2.267 | – |
| Hunt & Reffert (2023) | 130.865 | -32.666 | 0.226 | -2.47 | 2.284 | 53.624 |
| Cavallo et al. (2024) | 130.864 | -32.664 | 0.225 | – | – | – |
| Hunt & Reffert (2024) | 130.865 | -32.666 | 0.226 | -2.47 | 2.284 | 53.624 |
| Hu & Soubiran (2025) | 130.864 | -32.664 | – | – | – | – |
| UCC | 130.87 | -32.66 | 0.222 | -2.475 | 2.274 | 52.332 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.043, Dist=2021.0, Age=9.152, [Fe/H]=0.02 |
| Kharchenko et al. (2012) | e_bv=0.083, distance=3123, log_age=8.975 |
| Loktin & Popova (2017) | E(B-V)=0.056, Dmod=11.981, logt=9.067 |
| Bossini et al. (2019) | AV=0.706, Dist=12.871, logA=8.701, Fe/H=-0.01 |
| Liu & Pang (2019) | Age=0.525, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.64, DMNN=13.04, AgeNN=8.7 |
| Dias et al. (2021) | Av=1.002, Dist=3527, logage=8.732, [Fe/H]=-0.112 |
| Hunt & Reffert (2023) | AV50=0.537, diffAV50=0.571, MOD50=13.077, logAge50=8.645 |
| Cavallo et al. (2024) | AV50=0.98, dMod50=12.59, logAge50=8.78, [Fe/H]50=-0.14 |
| Hunt & Reffert (2024) | MassJ=3554.81 |
| Hu & Soubiran (2025) | MA22=-0.25, MA23f=-0.49, MA23g=-0.28, MZ23=-0.36, MK24=-0.34, MF24=-0.26 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0445 | 3.4 | 130.88 | -32.66 | 0.27 | -2.46 | 2.26 | 52.44 | 0.0 |