Melotte 26
(Collinder 54; NGC 1647; OCL 457; MWSC 416; FoF 2261)
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UTI:
UCC Trust Index
Melotte 26 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 | 1337 | 24.9 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 71.479 | 19.115 | – | – | – | – |
| Dias et al. (2002) | 71.479 | 19.115 | – | -0.74 | -0.57 | -7.02 |
| Chen et al. (2003) | 71.495 | 19.05 | – | -1.37 | -1.02 | -2.0 |
| Kharchenko et al. (2012) | 71.498 | 19.17 | – | -1.94 | -3.56 | – |
| Loktin & Popova (2017) | 71.475 | 19.115 | – | 0.014 | -7.416 | -6.1 |
| Bica et al. (2019) | 71.507 | 19.083 | – | – | – | – |
| Liu & Pang (2019) | 71.466 | 19.099 | 1.698 | -1.036 | -1.503 | – |
| Cantat-Gaudin et al. (2020) | 71.481 | 19.079 | 1.675 | -1.057 | -1.502 | – |
| Dias et al. (2021) | 71.478 | 19.064 | 1.67 | -1.045 | -1.525 | -6.633 |
| Jaehnig et al. (2021) | 71.491 | 19.094 | 1.713 | -1.047 | -1.496 | – |
| He et al. (2022) | 71.482 | 19.1 | 1.693 | -1.08 | -1.542 | – |
| Tarricq et al. (2022) | 71.527 | 19.128 | 1.682 | -1.074 | -1.541 | – |
| Hunt & Reffert (2023) | 71.488 | 19.163 | 1.697 | -1.091 | -1.531 | -7.681 |
| Alfonso et al. (2024) | 71.479 | 19.092 | 1.659 | -1.082 | -1.545 | – |
| Cavallo et al. (2024) | 71.477 | 19.079 | 1.693 | – | – | – |
| Hunt & Reffert (2024) | 71.488 | 19.163 | 1.697 | -1.091 | -1.531 | -7.681 |
| UCC | 71.473 | 19.09 | 1.695 | -1.082 | -1.548 | -6.717 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.347, DM0=8.08, log_age_=8.2 |
| Dias et al. (2002) | E(B-V)=0.37, Dist=540.0, Age=8.158 |
| Chen et al. (2003) | HDis=540, Age=0.14 |
| Kharchenko et al. (2012) | e_bv=0.354, distance=572, log_age=8.3 |
| Loktin & Popova (2017) | E(B-V)=0.385, Dmod=8.67, logt=8.158 |
| Liu & Pang (2019) | Age=0.098, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=0.64, DMNN=9.02, AgeNN=8.56 |
| Dias et al. (2021) | Av=1.35, Dist=576, logage=8.409, [Fe/H]=0.119 |
| He et al. (2022) | A0=1.7, logAge=7.9 |
| Tarricq et al. (2022) | Dist=625, logAgeNN=8.59 |
| Hunt & Reffert (2023) | AV50=1.349, diffAV50=1.582, MOD50=8.736, logAge50=8.069 |
| Alfonso et al. (2024) | AV=0.64075, MOD=9.01668, logAge=9.05136, Z=0.11940 |
| Cavallo et al. (2024) | AV50=1.36, dMod50=8.91, logAge50=8.16, [Fe/H]50=0.5 |
| Hunt & Reffert (2024) | MassJ=1866.75 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| LP 13 | 1.9 | 71.08 | 19.31 | 1.71 | -1.12 | -1.42 | -5.1 | 0.0 |