Melotte 66
(Collinder 147; OCL 739; ESO 208 12; FSR 1396; MWSC 1222; FoF 4)
Summary
Melotte 66 is a very rich, very dense object of very high C3 quality. It is located at a large distance from the Sun, well below the mid-plane. It is very well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 111.596 | -47.667 | – | -3.09 | 3.26 | 22.1 |
| Chen et al. (2003) | 111.595 | -47.657 | – | – | – | – |
| Kharchenko et al. (2012) | 111.55 | -47.668 | – | -4.37 | 6.78 | – |
| Loktin & Popova (2017) | 111.555 | -47.666 | – | -5.385 | 3.903 | 23.5 |
| Cantat-Gaudin et al. (2018) | 111.573 | -47.685 | 0.183 | -1.474 | 2.745 | – |
| Bica et al. (2019) | 111.601 | -47.666 | – | – | – | – |
| Soubiran et al. (2018) | 111.573 | -47.685 | – | – | – | 21.94 |
| Liu & Pang (2019) | 111.558 | -47.694 | 0.258 | -1.476 | 2.74 | – |
| Cantat-Gaudin et al. (2020) | 111.573 | -47.685 | 0.183 | -1.474 | 2.745 | – |
| Dias et al. (2021) | 111.567 | -47.682 | 0.189 | -1.485 | 2.735 | 18.295 |
| Rain et al. (2021) | 111.573 | -47.685 | 0.183 | -1.474 | 2.745 | – |
| Jaehnig et al. (2021) | 111.572 | -47.682 | 0.211 | -1.486 | 2.739 | – |
| Hunt & Reffert (2023) | 111.583 | -47.693 | 0.195 | -1.435 | 2.775 | 21.411 |
| Cavallo et al. (2024) | 111.577 | -47.684 | 0.193 | – | – | – |
| Hunt & Reffert (2024) | 111.583 | -47.693 | 0.195 | -1.435 | 2.775 | 21.411 |
| Almeida et al. (2025) | 111.567 | -47.682 | – | – | – | – |
| Hu & Soubiran (2025) | 111.577 | -47.684 | – | – | – | – |
| UCC | 111.581 | -47.684 | 0.193 | -1.431 | 2.772 | 21.659 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.15, Dist=4700.0, Age=9.53, [Fe/H]=-0.33 |
| Chen et al. (2003) | E(B-V)=0.143, HDis=4313, Age=2.78, [Fe/H]_1=-0.35 |
| Kharchenko et al. (2012) | e_bv=0.125, distance=4487, log_age=9.365, metallicity=-0.33 |
| Loktin & Popova (2017) | E(B-V)=0.142, Dist=4300, logt=9.462 |
| Cantat-Gaudin et al. (2018) | dmode=4722.0 |
| Soubiran et al. (2018) | dmode=4722.0 |
| Liu & Pang (2019) | Age=2.69, Z=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.25, DistPc=4830.0, AgeNN=9.63 |
| Dias et al. (2021) | Av=0.583, Dist=4692, logage=9.652, [Fe/H]=-0.325 |
| Rain et al. (2021) | E(B-V)=0.15, Dist=4722.0, log(Age)=9.53, NBSS=14 |
| Jaehnig et al. (2021) | dmode=4.776 |
| Hunt & Reffert (2023) | AV50=0.214, diffAV50=1.05, MOD50=13.359, logAge50=9.393 |
| Cavallo et al. (2024) | AV50=0.66, dMod50=12.84, logAge50=9.86, [Fe/H]50=-0.63 |
| Hunt & Reffert (2024) | MassJ=5793.98, MassTot=5938.12 |
| Almeida et al. (2025) | AV=0.583, Dist=4692, logAge=9.652, MassRk=8875.7 |
| Hu & Soubiran (2025) | MA22=-0.4, MA23f=-0.49, MA23g=-0.4, MZ23=-0.53, MK24=-0.46, MF24=-0.39 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0462 | 1.4 | 111.58 | -47.71 | 0.26 | -1.42 | 2.77 | 22.1 | 0.0 |