Melotte 54
(Collinder 119; NGC 2301; OCL 540; MWSC 1000; FoF 2215)
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UTI:
UCC Trust Index
Melotte 54 is a somewhat close, very 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 | 1134 | 14.3 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 102.938 | 0.46 | – | -0.83 | -2.76 | 13.54 |
| Chen et al. (2003) | 102.962 | 0.448 | – | -2.31 | -3.31 | 21.2 |
| Kharchenko et al. (2012) | 102.945 | 0.465 | – | -0.71 | -4.07 | – |
| Loktin & Popova (2017) | 102.945 | 0.46 | – | -0.052 | -1.181 | 39.6 |
| Bica et al. (2019) | 102.93 | 0.476 | – | – | – | – |
| Liu & Pang (2019) | 102.965 | 0.464 | 1.132 | -1.364 | -2.18 | – |
| Cantat-Gaudin et al. (2020) | 102.943 | 0.465 | 1.135 | -1.367 | -2.179 | – |
| Dias et al. (2021) | 102.951 | 0.472 | 1.135 | -1.369 | -2.188 | 25.732 |
| Jaehnig et al. (2021) | 102.943 | 0.461 | 1.169 | -1.336 | -2.183 | – |
| He et al. (2022) | 102.948 | 0.474 | 1.151 | -1.361 | -2.181 | – |
| Tarricq et al. (2022) | 102.944 | 0.454 | 1.15 | -1.355 | -2.193 | – |
| Hunt & Reffert (2023) | 102.937 | 0.462 | 1.149 | -1.368 | -2.185 | 25.8 |
| Alfonso et al. (2024) | 102.942 | 0.477 | 1.111 | -1.357 | -2.188 | – |
| Cavallo et al. (2024) | 102.957 | 0.476 | 1.148 | – | – | – |
| Hunt & Reffert (2024) | 102.937 | 0.462 | 1.149 | -1.368 | -2.185 | 25.8 |
| UCC | 102.938 | 0.469 | 1.143 | -1.37 | -2.191 | 25.091 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.03, Dist=870.0, Age=8.2, [Fe/H]=0.06 |
| Chen et al. (2003) | E(B-V)=0.028, HDis=872, Age=0.16, [Fe/H]_1=0.06, [Fe/H]_2=0.05 |
| Kharchenko et al. (2012) | e_bv=0.062, distance=805, log_age=8.35, metallicity=0.06 |
| Loktin & Popova (2017) | E(B-V)=0.032, Dmod=9.689, logt=8.211 |
| Liu & Pang (2019) | Age=0.098, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.08, DMNN=9.67, AgeNN=8.33 |
| Dias et al. (2021) | Av=0.225, Dist=852, logage=8.267, [Fe/H]=0.057 |
| He et al. (2022) | A0=0.4, logAge=7.9 |
| Tarricq et al. (2022) | Dist=832, logAgeNN=8.32 |
| Hunt & Reffert (2023) | AV50=0.123, diffAV50=0.533, MOD50=9.568, logAge50=8.144 |
| Alfonso et al. (2024) | AV=0.08206, MOD=9.66811, logAge=8.43385, Z=0.05856 |
| Cavallo et al. (2024) | AV50=0.23, dMod50=9.68, logAge50=8.16, [Fe/H]50=0.19 |
| Hunt & Reffert (2024) | MassJ=1497.97 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| FSR 1071 | 22.2 | 102.9 | 0.49 | 1.15 | -1.36 | -2.2 | 25.53 | 0.0 |