Melotte 236
(Collinder 438; NGC 7092; M 39; OCL 211; MWSC 3521; OCSN 243)
|
UTI:
UCC Trust Index
Melotte 236 is a relatively close, rich, very dense object of very high C3 quality. It is very well-studied in the literature. This object shares a large percentage of members with 3 later reported entries. |
||||||||||||||
| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 313 | 51.2 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 322.95 | 48.433 | – | -7.9 | -20.1 | -5.26 |
| Chen et al. (2003) | 323.117 | 48.457 | – | -8.0 | -19.71 | -7.5 |
| Kharchenko et al. (2012) | 322.95 | 48.45 | – | -8.38 | -20.27 | – |
| Loktin & Popova (2017) | 322.95 | 48.433 | – | -7.9 | -20.1 | -8.6 |
| Bica et al. (2019) | 322.999 | 48.439 | – | – | – | – |
| Bossini et al. (2019) | 322.889 | 48.247 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 322.889 | 48.247 | 3.337 | -7.477 | -19.738 | – |
| Dias et al. (2021) | 322.757 | 48.228 | 3.344 | -7.473 | -19.732 | -5.202 |
| Jaehnig et al. (2021) | 323.07 | 48.305 | 3.385 | -7.581 | -19.72 | – |
| He et al. (2022) | 322.81 | 48.327 | 3.367 | -7.466 | -19.786 | – |
| Tarricq et al. (2022) | 323.052 | 48.23 | 3.354 | -7.4 | -19.771 | – |
| Qin et al. (2023) | 322.9 | 48.4 | 3.38 | -7.5 | -19.8 | -6.4 |
| Alfonso et al. (2024) | 322.338 | 48.024 | 3.312 | -7.316 | -19.622 | – |
| UCC | 322.801 | 48.252 | 3.36 | -7.45 | -19.733 | -5.943 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.013, Dist=326.0, Age=8.445, [Fe/H]=0.01 |
| Chen et al. (2003) | HDis=326, Age=0.27 |
| Kharchenko et al. (2012) | e_bv=0.01, distance=310, log_age=8.569, metallicity=0.15 |
| Loktin & Popova (2017) | E(B-V)=0.013, Dmod=7.532, logt=8.445 |
| Bossini et al. (2019) | AV=0.049, Dist=7.218, logA=8.491, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0, DMNN=7.46, AgeNN=8.6 |
| Dias et al. (2021) | Av=0.093, Dist=303, logage=8.66, [Fe/H]=-0.047 |
| He et al. (2022) | A0=0.4, logAge=8.1 |
| Tarricq et al. (2022) | Dist=308, logAgeNN=8.6 |
| Qin et al. (2023) | E(B-V)=0.1, m-M=7.7, logt=8.05 |
| Alfonso et al. (2024) | AV=0.00093, MOD=7.45915, logAge=8.84767, Z=-0.0459 |
Search coordinates in Bayestar19
Cluster region
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| Theia 517 | 100.0 | 322.8 | 48.25 | 3.36 | -7.45 | -19.74 | -6.07 | 0.07 |
| CWWDL 14690 | 17.3 | 322.87 | 48.25 | 3.4 | -7.49 | -19.96 | -6.46 | 0.0 |
| CWWDL 14621 | 14.4 | 323.03 | 48.3 | 3.38 | -7.6 | -19.9 | -6.53 | 0.0 |