NGC 1980
Summary
NGC 1980 is a rich, very dense object of intermediate C3 quality. It is located at a very close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This is very likely a unique object, which shares a very small percentage of members with at least one previously reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 83.85 | -5.915 | – | 0.73 | -0.46 | 28.54 |
| Piskunov et al. (2007) | 83.838 | -5.907 | – | – | – | – |
| Piskunov et al. (2008) | 83.838 | -5.907 | – | – | – | – |
| Loktin & Popova (2017) | 83.85 | -5.914 | – | 1.951 | -0.524 | 25.3 |
| Dias et al. (2019) | 83.85 | -5.915 | 2.585 | 1.23 | 0.529 | 25.264 |
| Donor et al. (2020) | 83.865 | -5.915 | – | 1.26 | 0.76 | 26.2 |
| Cantat-Gaudin et al. (2020) | 83.81 | -5.924 | 2.586 | 1.215 | 0.54 | – |
| Dias et al. (2021) | 83.792 | -5.935 | 2.583 | 1.211 | 0.569 | 27.206 |
| He et al. (2022) | 83.803 | -5.785 | 2.61 | 1.005 | 0.462 | – |
| Hunt & Reffert (2023) | 83.801 | -5.921 | 2.6 | 1.265 | 0.472 | 23.24 |
| Cavallo et al. (2024) | 83.778 | -5.96 | 2.6 | – | – | – |
| Celli et al. (2024) | 83.81 | -5.924 | – | – | – | – |
| Hunt & Reffert (2024) | 83.801 | -5.921 | 2.6 | 1.265 | 0.472 | 23.24 |
| Alfonso et al. (2024) | 83.808 | -6.03 | 2.567 | 1.23 | 0.51 | – |
| Almeida et al. (2025) | 83.792 | -5.935 | – | – | – | – |
| UCC | 83.816 | -5.958 | 2.602 | 1.239 | 0.552 | 20.884 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.05, Dist=550.0, Age=6.67 |
| Piskunov et al. (2007) | E(B-V)=0.05, Dist=550, logt=6.67, logM=0.806 |
| Piskunov et al. (2008) | E(B-V)=0.05, Dist=550, logt=6.67, logM=1.412, logMA=1.53 |
| Loktin & Popova (2017) | E(B-V)=0.211, Dist=483, logt=6.867 |
| Dias et al. (2019) | E(B-V)=0.03, Dist=297, logAge=6.932, Z=0.006 |
| Donor et al. (2020) | Fe/H=-0.08 |
| Cantat-Gaudin et al. (2020) | AVNN=0.7, DistPc=377.0, AgeNN=7.12 |
| Dias et al. (2021) | Av=0.129, Dist=316, logage=6.97, [Fe/H]=-0.242 |
| He et al. (2022) | A0=0.05, logAge=6.75 |
| Hunt & Reffert (2023) | AV50=0.51, diffAV50=1.913, MOD50=7.838, logAge50=6.841 |
| Cavallo et al. (2024) | AV50=1.0, dMod50=7.99, logAge50=7.01, [Fe/H]50=0.06 |
| Celli et al. (2024) | Age=13.2, Mc=130.4 |
| Hunt & Reffert (2024) | MassJ=244.591, MassTot=245.943 |
| Alfonso et al. (2024) | AV=0.69155, MOD=7.74473, logAge=6.98022, Z=-0.2379 |
| Almeida et al. (2025) | AV=0.129, Dist=316, logAge=6.97, MassRk=140.0 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 208 | 99.7 | 83.81 | -5.95 | 2.6 | 1.24 | 0.54 | 23.25 | 0.06 |
| OCSN 226 | 91.6 | 83.82 | -5.96 | 2.61 | 1.26 | 0.55 | 23.02 | 0.02 |
| OCSN 244 | 60.5 | 83.82 | -5.42 | 2.54 | 1.31 | 0.34 | 22.67 | 0.33 |
| OC 0347 | 30.8 | 83.99 | -6.36 | 2.6 | 1.01 | 0.32 | 24.19 | 0.31 |
| NGC 1976 | 6.1 | 83.82 | -5.39 | 2.49 | 1.23 | 0.49 | 19.92 | 0.79 |
| OCSN 225 | 5.8 | 83.84 | -4.96 | 2.55 | 1.25 | -0.08 | 22.73 | 0.36 |
| OC 0345 | 4.4 | 83.77 | -5.87 | 2.58 | 1.06 | 0.21 | 19.86 | 0.03 |
| Morgan 8 | 1.2 | 84.13 | -6.42 | 2.55 | 0.85 | 0.3 | 16.82 | 0.32 |