Ruprecht 78
Summary
Ruprecht 78 is a rich, very dense object of high C3 quality. It is located at a large distance from the Sun, below the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 142.292 | -53.7 | – | -2.14 | -1.32 | – |
| Piskunov et al. (2008) | 142.286 | -53.695 | – | – | – | – |
| Kharchenko et al. (2012) | 142.26 | -53.71 | – | -10.0 | 5.4 | – |
| Loktin & Popova (2017) | 142.29 | -53.699 | – | -9.771 | -1.719 | – |
| Cantat-Gaudin et al. (2018) | 142.282 | -53.696 | 0.097 | -3.892 | 3.252 | – |
| Soubiran et al. (2018) | 142.282 | -53.696 | – | – | – | 51.32 |
| Cantat-Gaudin et al. (2020) | 142.282 | -53.696 | 0.097 | -3.892 | 3.252 | – |
| Hunt & Reffert (2023) | 142.28 | -53.699 | 0.118 | -3.838 | 3.333 | 77.819 |
| Cavallo et al. (2024) | 142.123 | -53.672 | 0.118 | – | – | – |
| Celli et al. (2024) | 142.282 | -53.696 | – | – | – | – |
| Hunt & Reffert (2024) | 142.28 | -53.699 | 0.118 | -3.838 | 3.333 | 77.819 |
| UCC | 142.284 | -53.699 | 0.112 | -3.872 | 3.287 | 52.866 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.35, Dist=1641.0, Age=7.987 |
| Piskunov et al. (2008) | E(B-V)=0.35, Dist=1641, logt=7.14, logMA=3.037 |
| Kharchenko et al. (2012) | e_bv=0.437, distance=1706, log_age=7.25 |
| Loktin & Popova (2017) | E(B-V)=0.355, Dist=1731, logt=8.052 |
| Cantat-Gaudin et al. (2018) | dmode=7955.6 |
| Soubiran et al. (2018) | dmode=7955.6 |
| Hunt & Reffert (2023) | AV50=3.389, diffAV50=2.83, MOD50=14.506, logAge50=7.332 |
| Cavallo et al. (2024) | AV50=3.08, dMod50=13.96, logAge50=8.04, [Fe/H]50=0.45 |
| Celli et al. (2024) | Age=17.8, Mc=1250.3 |
| Hunt & Reffert (2024) | MassJ=1759.72, MassTot=2623.35 |
Search coordinates in Bayestar19