Ruprecht 148
(Basel 9; OCL 408; MWSC 421)
Summary
Ruprecht 148 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.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 71.625 | 44.733 | – | -1.88 | 0.57 | – |
| Kharchenko et al. (2012) | 71.637 | 44.739 | – | -4.04 | -4.61 | – |
| Loktin & Popova (2017) | 71.625 | 44.734 | – | -1.88 | 0.57 | – |
| Cantat-Gaudin et al. (2018) | 71.638 | 44.711 | 0.26 | -0.153 | -1.076 | – |
| Bica et al. (2019) | 71.625 | 44.728 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 71.638 | 44.711 | 0.26 | -0.153 | -1.076 | – |
| Dias et al. (2021) | 71.641 | 44.716 | 0.251 | -0.143 | -1.081 | – |
| Hunt & Reffert (2023) | 71.628 | 44.715 | 0.276 | -0.165 | -1.122 | -23.232 |
| Cavallo et al. (2024) | 71.696 | 44.74 | 0.278 | – | – | – |
| Hunt & Reffert (2024) | 71.628 | 44.715 | 0.276 | -0.165 | -1.122 | -23.232 |
| Almeida et al. (2025) | 71.641 | 44.716 | – | – | – | – |
| UCC | 71.641 | 44.711 | 0.261 | -0.178 | -1.138 | -1.19 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.702, Dist=3028.0, Age=7.724 |
| Kharchenko et al. (2012) | e_bv=0.7, distance=2800, log_age=7.725 |
| Loktin & Popova (2017) | E(B-V)=0.45, Dist=2366, logt=8.39 |
| Cantat-Gaudin et al. (2018) | dmode=3461.1 |
| Cantat-Gaudin et al. (2020) | AVNN=1.84, DistPc=3401.0, AgeNN=7.64 |
| Dias et al. (2021) | Av=2.048, Dist=2804, logage=7.903, [Fe/H]=0.188 |
| Hunt & Reffert (2023) | AV50=2.1, diffAV50=1.753, MOD50=12.496, logAge50=7.984 |
| Cavallo et al. (2024) | AV50=2.18, dMod50=12.55, logAge50=7.97, [Fe/H]50=0.48 |
| Hunt & Reffert (2024) | MassJ=871.210, MassTot=1008.13 |
| Almeida et al. (2025) | AV=2.048, Dist=2804, logAge=7.903, MassRk=261.9 |
Search coordinates in Bayestar19