Ruprecht 170
Summary
Ruprecht 170 is a moderately populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 276.3 | -10.0 | – | -3.18 | -1.19 | – |
| Kharchenko et al. (2012) | 276.368 | -10.015 | – | -4.16 | -2.23 | – |
| Cantat-Gaudin et al. (2018) | 276.335 | -9.995 | 0.463 | 0.452 | -0.132 | – |
| Soubiran et al. (2018) | 276.335 | -9.995 | – | – | – | 0.29 |
| Cantat-Gaudin et al. (2020) | 276.335 | -9.995 | 0.463 | 0.452 | -0.132 | – |
| Dias et al. (2021) | 276.325 | -9.986 | 0.453 | 0.44 | -0.137 | – |
| Hunt & Reffert (2023) | 276.339 | -10.013 | 0.476 | 0.448 | -0.171 | – |
| Cavallo et al. (2024) | 276.345 | -10.01 | 0.475 | – | – | – |
| Hunt & Reffert (2024) | 276.339 | -10.013 | 0.476 | 0.448 | -0.171 | – |
| Almeida et al. (2025) | 276.325 | -9.986 | – | – | – | – |
| UCC | 276.342 | -10.014 | 0.478 | 0.465 | -0.165 | 36.629 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=1.208, Dist=5785.0, Age=6.0 |
| Kharchenko et al. (2012) | e_bv=1.208, distance=5785, log_age=6.0 |
| Cantat-Gaudin et al. (2018) | dmode=2033.1 |
| Soubiran et al. (2018) | dmode=2033.1 |
| Cantat-Gaudin et al. (2020) | AVNN=1.99, DistPc=2159.0, AgeNN=7.77 |
| Dias et al. (2021) | Av=2.528, Dist=2050, logage=7.139, [Fe/H]=0.085 |
| Hunt & Reffert (2023) | AV50=2.594, diffAV50=1.92, MOD50=11.439, logAge50=8.116 |
| Cavallo et al. (2024) | AV50=2.97, dMod50=11.41, logAge50=8.01, [Fe/H]50=-0.1 |
| Hunt & Reffert (2024) | MassJ=996.413, MassTot=999.980 |
| Almeida et al. (2025) | AV=2.528, Dist=2050, logAge=7.139, MassRk=479.7 |
Search coordinates in Bayestar19