HSC 2140
Summary
HSC 2140 is a sparse, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It was recently reported in the literature.
This is very likely a unique object, which shares a small percentage of members with at least one previously reported entry.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Hunt & Reffert (2023) | 131.18 | -46.151 | 0.212 | -3.293 | 3.926 | – |
| Cavallo et al. (2024) | 131.181 | -46.141 | 0.209 | – | – | – |
| Hunt & Reffert (2024) | 131.18 | -46.151 | 0.212 | -3.293 | 3.926 | – |
| Hu & Soubiran (2025) | 131.181 | -46.141 | – | – | – | – |
| UCC | 131.176 | -46.151 | 0.214 | -3.306 | 3.934 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Hunt & Reffert (2023) | AV50=2.012, diffAV50=0.615, MOD50=13.175, logAge50=8.058 |
| Cavallo et al. (2024) | AV50=1.52, dMod50=12.44, logAge50=8.75, [Fe/H]50=-0.23 |
| Hunt & Reffert (2024) | MassJ=171.657, MassTot=171.657 |
| Hu & Soubiran (2025) | MA23f=-0.72, MF24=-0.68 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWNU 3263 | 92.0 | 131.18 | -46.15 | 0.2 | -3.3 | 3.94 | – | 0.08 |
| Bochum 7 | 20.0 | 131.2 | -45.99 | 0.19 | -3.39 | 3.87 | – | 0.16 |