NGC 6618
Summary
NGC 6618 is a sparse, very loose object of low C3 quality. It is located at a close distance from the Sun, near the mid-plane. It is moderately studied in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 275.196 | -16.172 | – | 1.51 | -1.74 | -25.3 |
| Piskunov et al. (2007) | 275.132 | -16.19 | – | – | – | – |
| Piskunov et al. (2008) | 275.132 | -16.19 | – | – | – | – |
| Loktin & Popova (2017) | 275.19 | -16.173 | – | 1.51 | -1.74 | -4.0 |
| Hunt & Reffert (2023) | 275.065 | -15.982 | 1.635 | 1.757 | -5.381 | -16.956 |
| Cavallo et al. (2024) | 275.479 | -14.741 | 1.634 | – | – | – |
| UCC | 275.097 | -15.456 | 1.626 | 1.81 | -5.377 | -16.67 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.51, Dist=1300.0, Age=6.0, [Fe/H]=0.132 |
| Piskunov et al. (2007) | E(B-V)=1.6, Dist=1814, logt=6.78, logM=2.923 |
| Piskunov et al. (2008) | E(B-V)=1.6, Dist=1814, logt=6.78, logM=4.026, logMA=4.479 |
| Loktin & Popova (2017) | E(B-V)=1.604, Dist=1814, logt=7.044 |
| Hunt & Reffert (2023) | AV50=1.126, diffAV50=1.465, MOD50=8.847, logAge50=8.591 |
| Cavallo et al. (2024) | AV50=1.53, dMod50=8.84, logAge50=8.32, [Fe/H]50=-0.05 |
Search coordinates in Bayestar19