(M 18; Collinder 376; OCL 40; MWSC 2892)
Search object in NASA/SAO ADS | Simbad
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 274.992 | -17.102 | – | – | – | – |
| Chen et al. (2003) | 274.99 | -17.081 | – | -1.02 | -1.33 | -14.0 |
| Loktin & Popova (2017) | 274.995 | -17.103 | – | 1.631 | -1.838 | -14.0 |
| Bica et al. (2019) | 274.976 | -17.085 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 274.989 | -17.089 | 0.64 | -0.508 | -0.917 | – |
| Dias et al. (2021) | 274.998 | -17.092 | 0.644 | -0.499 | -0.938 | – |
| Jaehnig et al. (2021) | 274.992 | -17.107 | 0.669 | -0.509 | -0.851 | – |
| Hunt & Reffert (2023) | 274.986 | -17.092 | 0.627 | -0.458 | -0.893 | -42.108 |
| Cavallo et al. (2024) | 275.071 | -17.145 | 0.627 | – | – | – |
| UCC | 274.999 | -17.107 | 0.627 | -0.482 | -0.876 | -38.653 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.446, DM0=10.27, log_age_=7.5 |
| Chen et al. (2003) | HDis=1296.0, Age=0.01 |
| Loktin & Popova (2017) | E(B-V)=0.449, Dmod=10.573, logt=7.232 |
| Cantat-Gaudin et al. (2020) | AVNN=1.11, DMNN=10.85, AgeNN=7.26 |
| Dias et al. (2021) | Av=1.481, Dist=1352, logage=7.535, [Fe/H]=0.133 |
| Hunt & Reffert (2023) | AV50=1.46, diffAV50=1.256, MOD50=10.867, logAge50=7.479 |
| Cavallo et al. (2024) | AV50=1.54, dMod50=10.44, logAge50=8.04, [Fe/H]50=-0.31 |