Ruprecht 84
(OCL 814; ESO 091 19; FSR 1544; MWSC 1717; FoF 666)
Summary
Ruprecht 84 is a rich, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 147.283 | -65.25 | – | -6.48 | 2.32 | – |
| Piskunov et al. (2008) | 147.281 | -65.252 | – | – | – | – |
| Kharchenko et al. (2012) | 147.285 | -65.24 | – | -10.29 | -0.81 | – |
| Cantat-Gaudin et al. (2018) | 147.281 | -65.259 | 0.491 | -6.963 | 3.997 | – |
| Bica et al. (2019) | 147.296 | -65.244 | – | – | – | – |
| Soubiran et al. (2018) | 147.281 | -65.259 | – | – | – | -8.63 |
| Bossini et al. (2019) | 147.281 | -65.259 | – | – | – | – |
| Liu & Pang (2019) | 147.309 | -65.283 | 0.493 | -6.941 | 3.993 | – |
| Cantat-Gaudin et al. (2020) | 147.281 | -65.259 | 0.491 | -6.963 | 3.997 | – |
| Dias et al. (2021) | 147.281 | -65.261 | 0.49 | -6.958 | 4.005 | – |
| Hunt & Reffert (2023) | 147.276 | -65.261 | 0.505 | -6.961 | 4.078 | 3.246 |
| Cavallo et al. (2024) | 147.239 | -65.272 | 0.51 | – | – | – |
| Hunt & Reffert (2024) | 147.276 | -65.261 | 0.505 | -6.961 | 4.078 | 3.246 |
| Almeida et al. (2025) | 147.281 | -65.261 | – | – | – | – |
| Hu & Soubiran (2025) | 147.239 | -65.272 | – | – | – | – |
| UCC | 147.285 | -65.271 | 0.517 | -6.941 | 4.024 | -3.092 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.1, Dist=1800.0, Age=8.56 |
| Piskunov et al. (2008) | E(B-V)=0.1, Dist=1800, logt=8.56, logMA=2.311 |
| Kharchenko et al. (2012) | e_bv=0.167, distance=1546, log_age=8.56 |
| Cantat-Gaudin et al. (2018) | dmode=1924.5 |
| Soubiran et al. (2018) | dmode=1924.5 |
| Bossini et al. (2019) | AV=0.529, Dist=11.324, logA=8.48, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.513, Z=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.45, DistPc=1732.0, AgeNN=8.54 |
| Dias et al. (2021) | Av=0.723, Dist=1829, logage=8.316, [Fe/H]=0.151 |
| Hunt & Reffert (2023) | AV50=0.438, diffAV50=1.075, MOD50=11.317, logAge50=8.694 |
| Cavallo et al. (2024) | AV50=0.46, dMod50=11.25, logAge50=8.82, [Fe/H]50=0.18 |
| Hunt & Reffert (2024) | MassJ=577.212, MassTot=657.596 |
| Almeida et al. (2025) | AV=0.723, Dist=1829, logAge=8.316, MassRk=263.7 |
| Hu & Soubiran (2025) | MA22=-0.18, MA23f=-0.21, MZ23=-0.1, MK24=-0.18, MF24=-0.09 |
Search coordinates in Bayestar19