NGC 2818
(FoF 623)
Summary
NGC 2818 is a rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is very well-studied in the literature.
This object shares a large percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 139.004 | -36.625 | – | -4.0 | 5.27 | 20.69 |
| Chen et al. (2003) | 139.001 | -36.628 | – | – | – | – |
| Loktin & Popova (2017) | 139.005 | -36.624 | – | -4.0 | 5.27 | 20.7 |
| Cantat-Gaudin et al. (2018) | 139.044 | -36.624 | 0.275 | -4.439 | 4.528 | – |
| Soubiran et al. (2018) | 139.044 | -36.624 | – | – | – | 21.48 |
| Bossini et al. (2019) | 139.044 | -36.624 | – | – | – | – |
| Liu & Pang (2019) | 139.055 | -36.617 | 0.285 | -4.429 | 4.485 | – |
| Cantat-Gaudin et al. (2020) | 139.044 | -36.624 | 0.275 | -4.439 | 4.528 | – |
| Dias et al. (2021) | 139.045 | -36.621 | 0.277 | -4.43 | 4.53 | 21.849 |
| Rain et al. (2021) | 139.044 | -36.624 | 0.275 | -4.439 | 4.528 | – |
| Jaehnig et al. (2021) | 139.042 | -36.617 | 0.313 | -4.424 | 4.532 | – |
| Cordoni et al. (2023) | 139.045 | -36.621 | 0.277 | -4.43 | 4.53 | – |
| Hunt & Reffert (2023) | 139.042 | -36.621 | 0.3 | -4.421 | 4.546 | 13.359 |
| Cavallo et al. (2024) | 139.048 | -36.623 | 0.3 | – | – | – |
| Hunt & Reffert (2024) | 139.042 | -36.621 | 0.3 | -4.421 | 4.546 | 13.359 |
| Almeida et al. (2025) | 139.045 | -36.621 | – | – | – | – |
| Hu & Soubiran (2025) | 139.048 | -36.623 | – | – | – | – |
| UCC | 139.044 | -36.624 | 0.302 | -4.421 | 4.543 | 20.624 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.121, Dist=1855.0, Age=8.626, [Fe/H]=-0.17 |
| Chen et al. (2003) | E(B-V)=0.121, HDis=1855, Age=0.42, [Fe/H]_1=-0.17 |
| Loktin & Popova (2017) | E(B-V)=0.121, Dist=1855, logt=8.626 |
| Cantat-Gaudin et al. (2018) | dmode=3287.7 |
| Soubiran et al. (2018) | dmode=3287.7 |
| Bossini et al. (2019) | AV=0.603, Dist=12.491, logA=8.962, Fe/H=-0.17 |
| Liu & Pang (2019) | Age=1.41, Z=-0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=0.43, DistPc=3085.0, AgeNN=8.92 |
| Dias et al. (2021) | Av=0.519, Dist=2759, logage=9.067, [Fe/H]=-0.099 |
| Rain et al. (2021) | E(B-V)=0.12, Dist=3287.7, log(Age)=8.62, NBSS=5 |
| Jaehnig et al. (2021) | dmode=3.225 |
| Cordoni et al. (2023) | Av=0.519, Dist=12.204, logAge=9.067, [Fe/H]=-0.099, mass-single=1271.61, fbin-tot=0.39, fbss-MS=0.048 |
| Hunt & Reffert (2023) | AV50=0.19, diffAV50=0.565, MOD50=12.419, logAge50=9.033 |
| Cavallo et al. (2024) | AV50=0.52, dMod50=12.21, logAge50=9.07, [Fe/H]50=-0.01 |
| Hunt & Reffert (2024) | MassJ=2187.22, MassTot=2346.71 |
| Almeida et al. (2025) | AV=0.519, Dist=2759, logAge=9.067, MassRk=1343.8 |
| Hu & Soubiran (2025) | MA22=-0.2, MA23f=-0.36, MA23g=-0.12, MZ23=-0.21, MK24=-0.3, MF24=-0.15 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| Melotte 96 | 94.7 | 139.04 | -36.62 | 0.3 | -4.42 | 4.54 | 20.62 | 0.06 |