Ruprecht 122
(VDBH 202; BH 202; vdBergh-Hagen 202; ESO 332 09; MWSC 2486)
Summary
Ruprecht 122 is a rich, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, above the mid-plane. It is well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 253.783 | -40.95 | – | -2.55 | -2.89 | – |
| Cantat-Gaudin et al. (2018) | 253.779 | -40.947 | 0.551 | -1.869 | -3.802 | – |
| Bica et al. (2019) | 253.788 | -40.951 | – | – | – | – |
| Soubiran et al. (2018) | 253.779 | -40.947 | – | – | – | -50.06 |
| Cantat-Gaudin et al. (2020) | 253.779 | -40.947 | 0.551 | -1.869 | -3.802 | – |
| Dias et al. (2021) | 253.777 | -40.943 | 0.555 | -1.87 | -3.788 | -49.77 |
| Hunt & Reffert (2023) | 253.787 | -40.957 | 0.569 | -1.875 | -3.795 | -49.618 |
| Cavallo et al. (2024) | 253.783 | -40.947 | 0.57 | – | – | – |
| Hunt & Reffert (2024) | 253.787 | -40.957 | 0.569 | -1.875 | -3.795 | -49.618 |
| Almeida et al. (2025) | 253.777 | -40.943 | – | – | – | – |
| Hu & Soubiran (2025) | 253.783 | -40.947 | – | – | – | – |
| UCC | 253.787 | -40.949 | 0.565 | -1.871 | -3.796 | -49.302 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.87, Dist=1607.0, Age=8.05 |
| Cantat-Gaudin et al. (2018) | dmode=1724.7 |
| Soubiran et al. (2018) | dmode=1724.7 |
| Cantat-Gaudin et al. (2020) | AVNN=1.84, DistPc=1752.0, AgeNN=8.58 |
| Dias et al. (2021) | Av=1.894, Dist=1504, logage=8.763, [Fe/H]=0.118 |
| Hunt & Reffert (2023) | AV50=1.823, diffAV50=1.293, MOD50=11.059, logAge50=8.576 |
| Cavallo et al. (2024) | AV50=2.0, dMod50=10.81, logAge50=8.79, [Fe/H]50=0.02 |
| Hunt & Reffert (2024) | MassJ=3284.05, MassTot=3284.05 |
| Almeida et al. (2025) | AV=1.894, Dist=1504, logAge=8.763, MassRk=628.9 |
| Hu & Soubiran (2025) | MA22=-0.27, MA23f=-0.19, MA23g=0.16, MZ23=-0.36, MK24=-0.12, MF24=-0.27 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| VDBH 203 | 5.3 | 253.83 | -40.93 | 0.58 | -1.91 | -3.75 | -50.18 | 0.0 |