Ruprecht 128
(VDBH 243; vdBergh-Hagen 243; OCL 1020; ESO 393 17; MWSC 2672; FoF 716)
Summary
Ruprecht 128 is a rich, very dense object of very high C3 quality. It is located at a relatively close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 266.075 | -34.883 | – | 1.03 | -1.12 | – |
| Kharchenko et al. (2012) | 266.07 | -34.885 | – | -4.15 | 1.43 | – |
| Cantat-Gaudin et al. (2018) | 266.063 | -34.879 | 0.498 | 1.889 | -1.262 | – |
| Bica et al. (2019) | 266.106 | -34.931 | – | – | – | – |
| Soubiran et al. (2018) | 266.063 | -34.879 | – | – | – | -39.79 |
| Liu & Pang (2019) | 266.054 | -34.874 | 0.493 | 1.843 | -1.285 | – |
| Cantat-Gaudin et al. (2020) | 266.063 | -34.879 | 0.498 | 1.889 | -1.262 | – |
| Dias et al. (2021) | 266.056 | -34.873 | 0.499 | 1.883 | -1.264 | -39.563 |
| Hunt & Reffert (2023) | 266.066 | -34.877 | 0.494 | 1.88 | -1.281 | -23.391 |
| Cavallo et al. (2024) | 266.061 | -34.871 | 0.496 | – | – | – |
| Hunt & Reffert (2024) | 266.066 | -34.877 | 0.494 | 1.88 | -1.281 | -23.391 |
| Almeida et al. (2025) | 266.056 | -34.873 | – | – | – | – |
| Hu & Soubiran (2025) | 266.061 | -34.871 | – | – | – | – |
| UCC | 266.064 | -34.878 | 0.504 | 1.887 | -1.285 | -39.482 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.624, Dist=2486.0, Age=9.2 |
| Kharchenko et al. (2012) | e_bv=1.624, distance=2486, log_age=9.2 |
| Cantat-Gaudin et al. (2018) | dmode=1898.5 |
| Soubiran et al. (2018) | dmode=1898.5 |
| Liu & Pang (2019) | Age=1.41, Z=-0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=1.92, DistPc=1772.0, AgeNN=8.98 |
| Dias et al. (2021) | Av=2.49, Dist=1560, logage=8.927, [Fe/H]=0.144 |
| Hunt & Reffert (2023) | AV50=3.025, diffAV50=2.532, MOD50=11.346, logAge50=8.4 |
| Cavallo et al. (2024) | AV50=3.62, dMod50=10.41, logAge50=8.83, [Fe/H]50=-0.96 |
| Hunt & Reffert (2024) | MassJ=3939.29, MassTot=3939.29 |
| Almeida et al. (2025) | AV=2.49, Dist=1560, logAge=8.927, MassRk=1045.7 |
| Hu & Soubiran (2025) | MA22=-0.15, MA23f=-0.06, MA23g=0.11, MZ23=0.05, MK24=-0.14, MF24=-0.12 |
Search coordinates in Bayestar19