Ruprecht 123
Summary
Ruprecht 123 is a sparse, very loose object of very low C3 quality. It is located at a relatively 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) | 260.858 | -37.9 | – | -0.79 | -3.15 | – |
| Kharchenko et al. (2012) | 260.88 | -37.925 | – | 0.65 | -2.0 | – |
| Dias et al. (2021) | 260.781 | -37.898 | 0.604 | 1.044 | 0.922 | – |
| Hunt & Reffert (2023) | 260.86 | -37.916 | 0.653 | 1.672 | -2.056 | -20.683 |
| He et al. (2023) | 260.855 | -37.909 | 0.658 | 1.699 | -2.034 | – |
| Cavallo et al. (2024) | 260.868 | -37.905 | 0.654 | – | – | – |
| Hunt & Reffert (2024) | 260.86 | -37.916 | 0.653 | 1.672 | -2.056 | -20.683 |
| Almeida et al. (2025) | 260.781 | -37.898 | – | – | – | – |
| UCC | 260.798 | -37.939 | 0.533 | 1.238 | -0.572 | -19.953 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.2, Dist=714.0 |
| Kharchenko et al. (2012) | e_bv=0.187, distance=929, log_age=8.1 |
| Dias et al. (2021) | Av=1.909, Dist=1511, logage=8.682, [Fe/H]=0.188 |
| Hunt & Reffert (2023) | AV50=1.768, diffAV50=1.129, MOD50=10.806, logAge50=8.383 |
| He et al. (2023) | A0=2.0, m-M=10.8, logA=7.5 |
| Cavallo et al. (2024) | AV50=1.64, dMod50=10.83, logAge50=8.11, [Fe/H]50=0.28 |
| Hunt & Reffert (2024) | MassJ=320.566, MassTot=320.566 |
| Almeida et al. (2025) | AV=1.909, Dist=1511, logAge=8.682, MassRk=76.0 |
Search coordinates in Bayestar19