Ruprecht 172
(OCL 151; MWSC 3276)
Summary
Ruprecht 172 is a rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 302.9 | 35.605 | – | -2.55 | -4.58 | – |
| Piskunov et al. (2008) | 302.886 | 35.601 | – | – | – | – |
| Kharchenko et al. (2012) | 302.955 | 35.665 | – | -3.97 | -2.72 | – |
| Cantat-Gaudin et al. (2018) | 302.888 | 35.603 | 0.259 | -2.034 | -3.668 | – |
| Bica et al. (2019) | 302.924 | 35.629 | – | – | – | – |
| Soubiran et al. (2018) | 302.888 | 35.603 | – | – | – | 15.35 |
| Cantat-Gaudin et al. (2020) | 302.888 | 35.603 | 0.259 | -2.034 | -3.668 | – |
| Dias et al. (2021) | 302.888 | 35.606 | 0.257 | -2.053 | -3.659 | 11.451 |
| Hunt & Reffert (2023) | 302.887 | 35.602 | 0.254 | -2.032 | -3.714 | 9.226 |
| Cavallo et al. (2024) | 302.888 | 35.608 | 0.254 | – | – | – |
| Hunt & Reffert (2024) | 302.887 | 35.602 | 0.254 | -2.032 | -3.714 | 9.226 |
| Almeida et al. (2025) | 302.888 | 35.606 | – | – | – | – |
| Hu & Soubiran (2025) | 302.888 | 35.608 | – | – | – | – |
| UCC | 302.889 | 35.604 | 0.257 | -2.023 | -3.709 | 12.686 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.2, Dist=1100.0, Age=8.91 |
| Piskunov et al. (2008) | E(B-V)=0.2, Dist=1100, logt=8.91, logMA=2.418 |
| Kharchenko et al. (2012) | e_bv=0.375, distance=1803, log_age=9.065 |
| Cantat-Gaudin et al. (2018) | dmode=3473.4 |
| Soubiran et al. (2018) | dmode=3473.4 |
| Cantat-Gaudin et al. (2020) | AVNN=1.29, DistPc=3562.0, AgeNN=9.02 |
| Dias et al. (2021) | Av=1.902, Dist=3160, logage=9.07, [Fe/H]=-0.115 |
| Hunt & Reffert (2023) | AV50=2.12, diffAV50=1.524, MOD50=12.829, logAge50=8.76 |
| Cavallo et al. (2024) | AV50=1.79, dMod50=12.27, logAge50=9.14, [Fe/H]50=0.17 |
| Hunt & Reffert (2024) | MassJ=1056.85, MassTot=1077.40 |
| Almeida et al. (2025) | AV=1.902, Dist=3160, logAge=9.07, MassRk=698.8 |
| Hu & Soubiran (2025) | MA22=-0.2, MA23f=-0.27, MA23g=-0.07, MZ23=-0.28, MK24=-0.13, MF24=-0.18 |
Search coordinates in Bayestar19