Melotte 222
(Collinder 402; NGC 6811; FSR 0228; OCL 185; FoF 2201)
|
UTI:
UCC Trust Index
Melotte 222 is a rich, very dense object of very high C3 quality. It is very well-studied in the literature. |
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| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA | 450 | 11.1 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 294.321 | 46.388 | – | -4.47 | -7.63 | 6.68 |
| Chen et al. (2003) | 294.462 | 46.547 | – | -3.58 | -8.19 | 7.1 |
| Kharchenko et al. (2012) | 294.342 | 46.395 | – | -5.68 | -6.7 | – |
| Loktin & Popova (2017) | 294.315 | 46.388 | – | -4.774 | -5.118 | 6.0 |
| Bica et al. (2019) | 294.552 | 46.559 | – | – | – | – |
| Bossini et al. (2019) | 294.34 | 46.378 | – | – | – | – |
| Liu & Pang (2019) | 294.334 | 46.371 | 0.881 | -3.376 | -8.78 | – |
| Cantat-Gaudin et al. (2020) | 294.34 | 46.378 | 0.87 | -3.399 | -8.812 | – |
| Donor et al. (2020) | 294.342 | 46.395 | – | -3.44 | -8.73 | 8.0 |
| Dias et al. (2021) | 294.349 | 46.373 | 0.872 | -3.397 | -8.799 | 7.862 |
| Jaehnig et al. (2021) | 294.337 | 46.385 | 0.901 | -3.386 | -8.806 | – |
| He et al. (2022) | 294.338 | 46.371 | 0.88 | -3.352 | -8.81 | – |
| Tarricq et al. (2022) | 294.342 | 46.352 | 0.882 | -3.351 | -8.823 | – |
| Hunt & Reffert (2023) | 294.344 | 46.364 | 0.879 | -3.355 | -8.8 | 7.54 |
| Cavallo et al. (2024) | 294.338 | 46.367 | 0.879 | – | – | – |
| Hunt & Reffert (2024) | 294.344 | 46.364 | 0.879 | -3.355 | -8.8 | 7.54 |
| Hu & Soubiran (2025) | 294.338 | 46.367 | – | – | – | – |
| UCC | 294.343 | 46.374 | 0.878 | -3.352 | -8.815 | 8.017 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.16, Dist=1215.0, Age=8.799, [Fe/H]=-0.02 |
| Chen et al. (2003) | HDis=1215, Age=0.62 |
| Kharchenko et al. (2012) | e_bv=0.208, distance=1227, log_age=8.805 |
| Loktin & Popova (2017) | E(B-V)=0.134, Dmod=10.501, logt=8.841 |
| Bossini et al. (2019) | AV=0.206, Dist=10.277, logA=8.936, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.933, Z=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.09, DMNN=10.33, AgeNN=9.03 |
| Donor et al. (2020) | Fe/H=-0.05 |
| Dias et al. (2021) | Av=0.213, Dist=1102, logage=9.003, [Fe/H]=0.032 |
| He et al. (2022) | A0=0.4, logAge=8.95 |
| Tarricq et al. (2022) | Dist=1128, logAgeNN=9.04 |
| Hunt & Reffert (2023) | AV50=0.088, diffAV50=0.277, MOD50=10.163, logAge50=9.032 |
| Cavallo et al. (2024) | AV50=0.26, dMod50=10.31, logAge50=8.99, [Fe/H]50=0.23 |
| Hunt & Reffert (2024) | MassJ=1135.87 |
| Hu & Soubiran (2025) | MA22=-0.14, MA23f=-0.13, MA23g=-0.06, MZ23=-0.07, MK24=-0.1, MF24=-0.06 |
Search coordinates in Bayestar19