Ruprecht 91
(OCL 824; ESO 169 01; MWSC 1855; FoF 2237)
Summary
Ruprecht 91 is a rich, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 161.908 | -57.467 | – | -3.08 | 0.64 | -10.58 |
| Piskunov et al. (2008) | 161.907 | -57.469 | – | – | – | – |
| Kharchenko et al. (2012) | 161.91 | -57.47 | – | -9.86 | 3.45 | – |
| Cantat-Gaudin et al. (2018) | 161.964 | -57.483 | 0.927 | -11.179 | 2.421 | – |
| Bica et al. (2019) | 161.768 | -57.396 | – | – | – | – |
| Soubiran et al. (2018) | 161.964 | -57.483 | – | – | – | 0.74 |
| Liu & Pang (2019) | 161.93 | -57.502 | 0.928 | -11.153 | 2.442 | – |
| Cantat-Gaudin et al. (2020) | 161.964 | -57.483 | 0.927 | -11.179 | 2.421 | – |
| Dias et al. (2021) | 161.926 | -57.486 | 0.925 | -11.187 | 2.442 | 0.878 |
| Tarricq et al. (2022) | 161.984 | -57.471 | 0.95 | -11.241 | 2.456 | – |
| He et al. (2022) | 161.913 | -57.497 | 0.95 | -11.231 | 2.467 | – |
| Hunt & Reffert (2023) | 161.967 | -57.488 | 0.943 | -11.098 | 2.406 | 3.169 |
| Cavallo et al. (2024) | 161.919 | -57.54 | 0.94 | – | – | – |
| Hunt & Reffert (2024) | 161.967 | -57.488 | 0.943 | -11.098 | 2.406 | 3.169 |
| Almeida et al. (2025) | 161.926 | -57.486 | – | – | – | – |
| UCC | 161.963 | -57.49 | 0.946 | -11.222 | 2.457 | 0.794 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.01, Dist=900.0, Age=8.63 |
| Piskunov et al. (2008) | E(B-V)=0.01, Dist=900, logt=8.63, logMA=1.82 |
| Kharchenko et al. (2012) | e_bv=0.01, distance=1095, log_age=8.405 |
| Cantat-Gaudin et al. (2018) | dmode=1046.4 |
| Soubiran et al. (2018) | dmode=1046.4 |
| Liu & Pang (2019) | Age=0.055, Z=-0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.19, DistPc=1070.0, AgeNN=8.14 |
| Dias et al. (2021) | Av=0.309, Dist=996, logage=8.05, [Fe/H]=0.061 |
| Tarricq et al. (2022) | Dist=1043, logAgeNN=8.16 |
| He et al. (2022) | A0=0.4, logAge=7.9 |
| Hunt & Reffert (2023) | AV50=0.116, diffAV50=0.657, MOD50=10.004, logAge50=8.172 |
| Cavallo et al. (2024) | AV50=0.36, dMod50=10.03, logAge50=8.25, [Fe/H]50=0.14 |
| Hunt & Reffert (2024) | MassJ=1036.47, MassTot=1348.58 |
| Almeida et al. (2025) | AV=0.309, Dist=996, logAge=8.05, MassRk=534.1 |
Search coordinates in Bayestar19