Melotte 17
(Collinder 31; NGC 1039; M 34; OCL 382; MWSC 223; FoF 2264; OCSN 222)
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UTI:
UCC Trust Index
Melotte 17 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 very small percentage of members with a later reported entry. |
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| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 1283 | 24.8 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 40.521 | 42.762 | – | -0.28 | -6.91 | -16.8 |
| Chen et al. (2003) | 40.478 | 42.791 | – | 0.39 | -6.8 | -7.8 |
| Kharchenko et al. (2012) | 40.55 | 42.79 | – | -0.28 | -6.73 | – |
| Loktin & Popova (2017) | 40.515 | 42.762 | – | -0.67 | -6.12 | -18.2 |
| Bica et al. (2019) | 40.519 | 42.777 | – | – | – | – |
| Bossini et al. (2019) | 40.531 | 42.722 | – | – | – | – |
| Liu & Pang (2019) | 40.518 | 42.72 | 1.957 | 0.736 | -5.678 | – |
| Cantat-Gaudin et al. (2020) | 40.531 | 42.722 | 1.949 | 0.722 | -5.681 | – |
| Dias et al. (2021) | 40.51 | 42.712 | 1.943 | 0.736 | -5.695 | -5.953 |
| Jaehnig et al. (2021) | 40.468 | 42.718 | 1.986 | 0.691 | -5.715 | – |
| He et al. (2022) | 40.544 | 42.732 | 2.007 | 0.646 | -5.788 | – |
| Tarricq et al. (2022) | 40.494 | 42.735 | 1.998 | 0.656 | -5.788 | – |
| Hunt & Reffert (2023) | 40.548 | 42.722 | 2.003 | 0.652 | -5.791 | -7.078 |
| Qin et al. (2023) | 40.55 | 42.73 | 2.01 | 0.66 | -5.79 | -7.93 |
| Alfonso et al. (2024) | 40.526 | 42.725 | 1.97 | 0.653 | -5.788 | – |
| Cavallo et al. (2024) | 40.5 | 42.713 | 2.006 | – | – | – |
| Hunt & Reffert (2024) | 40.548 | 42.722 | 2.003 | 0.652 | -5.791 | -7.078 |
| UCC | 40.549 | 42.728 | 1.994 | 0.65 | -5.787 | -8.006 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.07, Dist=499.0, Age=8.249, [Fe/H]=0.07 |
| Chen et al. (2003) | E(B-V)=0.07, HDis=499, Age=0.17, [Fe/H]_1=-0.3, [Fe/H]_2=-0.3 |
| Kharchenko et al. (2012) | e_bv=0.077, distance=510, log_age=8.383, metallicity=0.07 |
| Loktin & Popova (2017) | E(B-V)=0.071, Dmod=8.512, logt=8.239 |
| Bossini et al. (2019) | AV=0.239, Dist=8.552, logA=8.101, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.063, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=0.16, DMNN=8.64, AgeNN=8.12 |
| Dias et al. (2021) | Av=0.328, Dist=507, logage=8.425, [Fe/H]=-0.006 |
| He et al. (2022) | A0=0.35, logAge=7.9 |
| Tarricq et al. (2022) | Dist=525, logAgeNN=8.15 |
| Hunt & Reffert (2023) | AV50=0.143, diffAV50=0.777, MOD50=8.39, logAge50=8.087 |
| Qin et al. (2023) | E(B-V)=0.13, m-M=8.84, logt=7.95 |
| Alfonso et al. (2024) | AV=0.16337, MOD=8.63677, logAge=7.77884, Z=-0.0034 |
| Cavallo et al. (2024) | AV50=0.37, dMod50=8.52, logAge50=8.1, [Fe/H]50=0.27 |
| Hunt & Reffert (2024) | MassJ=1380.27 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0265 | 2.7 | 40.32 | 42.42 | 1.99 | 0.6 | -5.79 | -8.04 | 0.0 |