Ruprecht 65
(OCL 750; ESO 259 15; MWSC 1522)
Summary
Ruprecht 65 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.
This object shares a large percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 129.817 | -44.05 | – | -0.51 | 1.79 | – |
| Piskunov et al. (2008) | 129.802 | -44.052 | – | – | – | – |
| Kharchenko et al. (2012) | 129.817 | -44.07 | – | -7.1 | 3.5 | – |
| Bica et al. (2019) | 129.813 | -44.046 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 129.838 | -44.041 | 0.412 | -4.746 | 4.245 | – |
| Dias et al. (2021) | 129.856 | -44.019 | 0.404 | -4.757 | 4.244 | – |
| Hunt & Reffert (2023) | 129.834 | -44.058 | 0.438 | -4.754 | 4.291 | – |
| Cavallo et al. (2024) | 129.812 | -44.038 | 0.437 | – | – | – |
| Celli et al. (2024) | 129.838 | -44.041 | – | – | – | – |
| Hunt & Reffert (2024) | 129.834 | -44.058 | 0.438 | -4.754 | 4.291 | – |
| Almeida et al. (2025) | 129.856 | -44.019 | – | – | – | – |
| UCC | 129.817 | -44.05 | 0.441 | -4.754 | 4.294 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.07, Dist=500.0, Age=8.57 |
| Piskunov et al. (2008) | E(B-V)=0.07, Dist=500, logt=8.57, logMA=1.773 |
| Kharchenko et al. (2012) | e_bv=0.071, distance=786, log_age=8.82 |
| Cantat-Gaudin et al. (2020) | AVNN=1.71, DistPc=2405.0, AgeNN=7.36 |
| Dias et al. (2021) | Av=1.681, Dist=2021, logage=7.656, [Fe/H]=0.089 |
| Hunt & Reffert (2023) | AV50=1.703, diffAV50=1.997, MOD50=11.617, logAge50=7.575 |
| Cavallo et al. (2024) | AV50=1.71, dMod50=11.62, logAge50=7.71, [Fe/H]50=0.34 |
| Celli et al. (2024) | Age=22.9, Mc=237.2 |
| Hunt & Reffert (2024) | MassJ=575.705, MassTot=596.232 |
| Almeida et al. (2025) | AV=1.681, Dist=2021, logAge=7.656, MassRk=190.6 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 244 | 91.3 | 129.82 | -44.05 | 0.44 | -4.76 | 4.3 | – | 0.02 |