Ruprecht 171
(OCL 50; MWSC 2944)
Summary
Ruprecht 171 is a very 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 well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 278.046 | -16.05 | – | 1.58 | 0.32 | – |
| Cantat-Gaudin et al. (2018) | 278.012 | -16.062 | 0.62 | 7.677 | 1.091 | – |
| Bica et al. (2019) | 278.04 | -16.056 | – | – | – | – |
| Soubiran et al. (2018) | 278.012 | -16.062 | – | – | – | 5.61 |
| Cantat-Gaudin et al. (2020) | 278.012 | -16.062 | 0.62 | 7.677 | 1.091 | – |
| Dias et al. (2021) | 278.013 | -16.066 | 0.622 | 7.678 | 1.091 | 5.884 |
| Tarricq et al. (2022) | 278.004 | -16.06 | 0.633 | 7.709 | 1.086 | – |
| Hunt & Reffert (2023) | 278.014 | -16.061 | 0.636 | 7.717 | 1.083 | 5.555 |
| Cavallo et al. (2024) | 278.013 | -16.074 | 0.635 | – | – | – |
| Hunt & Reffert (2024) | 278.014 | -16.061 | 0.636 | 7.717 | 1.083 | 5.555 |
| Almeida et al. (2025) | 278.013 | -16.066 | – | – | – | – |
| Carrasco-Varela et al. (2025) | 278.257 | -16.076 | – | – | – | – |
| Hu & Soubiran (2025) | 278.012 | -16.074 | – | – | – | – |
| UCC | 278.009 | -16.061 | 0.635 | 7.715 | 1.079 | 5.407 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.12, Dist=1140.0, Age=9.5 |
| Cantat-Gaudin et al. (2018) | dmode=1540.4 |
| Soubiran et al. (2018) | dmode=1540.4 |
| Cantat-Gaudin et al. (2020) | AVNN=0.68, DistPc=1522.0, AgeNN=9.44 |
| Dias et al. (2021) | Av=0.925, Dist=1512, logage=9.471, [Fe/H]=0.048 |
| Tarricq et al. (2022) | Dist=1476, logAgeNN=9.45 |
| Hunt & Reffert (2023) | AV50=0.812, diffAV50=0.203, MOD50=10.864, logAge50=9.168 |
| Cavallo et al. (2024) | AV50=1.16, dMod50=10.75, logAge50=9.37, [Fe/H]50=-0.22 |
| Hunt & Reffert (2024) | MassJ=3261.38, MassTot=3272.65 |
| Almeida et al. (2025) | AV=0.925, Dist=1512, logAge=9.471, MassRk=2474.8 |
| Carrasco-Varela et al. (2025) | Av=0.925, Dist=1512, logAge=9.471, [Fe/H]=-0.1, NBSS=4, fBSS/MS=0.047 |
| Hu & Soubiran (2025) | MA22=-0.17, MA23f=-0.17, MA23g=-0.01, MZ23=-0.07, MK24=-0.14, MF24=-0.13 |
Search coordinates in Bayestar19