Platais 3
(HIP 21974 Group; MWSC 395; OCSN 250)
Summary
Platais 3 is a rich, very dense object of very high C3 quality. It is located at a very close 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) | 70.404 | 71.237 | – | 3.84 | -21.35 | 7.0 |
| Piskunov et al. (2007) | 68.841 | 71.581 | – | – | – | – |
| Piskunov et al. (2008) | 68.841 | 71.581 | – | – | – | – |
| Loktin & Popova (2017) | 70.41 | 71.238 | – | 3.84 | -21.35 | 7.0 |
| Cantat-Gaudin et al. (2018) | 69.976 | 71.28 | 5.62 | 3.616 | -20.931 | – |
| Bica et al. (2019) | 70.374 | 71.236 | – | – | – | – |
| Soubiran et al. (2018) | 69.976 | 71.28 | – | – | – | 8.07 |
| Bossini et al. (2019) | 69.976 | 71.28 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 69.976 | 71.28 | 5.62 | 3.616 | -20.931 | – |
| Dias et al. (2021) | 69.801 | 71.261 | 5.604 | 3.649 | -20.905 | 7.949 |
| Tarricq et al. (2022) | 68.107 | 71.226 | 5.591 | 4.013 | -20.646 | – |
| He et al. (2022) | 69.086 | 71.264 | 5.598 | 3.787 | -20.702 | – |
| Qin et al. (2023) | 69.77 | 71.29 | 5.68 | 3.16 | -20.97 | 7.46 |
| Hunt & Reffert (2023) | 68.406 | 71.489 | 5.622 | 3.767 | -20.681 | 7.694 |
| Cavallo et al. (2024) | 69.332 | 71.202 | 5.625 | – | – | – |
| Alfonso et al. (2024) | 70.13 | 71.019 | 5.581 | 3.492 | -20.708 | – |
| Almeida et al. (2025) | 69.801 | 71.261 | – | – | – | – |
| UCC | 69.706 | 71.179 | 5.591 | 3.671 | -20.646 | 7.643 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.1, Dist=200.0, Age=8.7 |
| Piskunov et al. (2007) | E(B-V)=0.1, Dist=200, logt=8.7, logM=2.292 |
| Piskunov et al. (2008) | E(B-V)=0.1, Dist=200, logt=8.7, logM=2.457, logMA=3.103 |
| Loktin & Popova (2017) | E(B-V)=0.1, Dist=238, logt=8.7 |
| Cantat-Gaudin et al. (2018) | dmode=177.0 |
| Soubiran et al. (2018) | dmode=177.0 |
| Bossini et al. (2019) | AV=0.221, Dist=6.097, logA=8.319, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.0, DistPc=177.0, AgeNN=8.25 |
| Dias et al. (2021) | Av=0.077, Dist=179, logage=8.261, [Fe/H]=-0.007 |
| Tarricq et al. (2022) | Dist=177, logAgeNN=8.25 |
| He et al. (2022) | A0=0.3, logAge=8.2 |
| Qin et al. (2023) | E(B-V)=0.07, m-M=6.4, logt=8.05 |
| Hunt & Reffert (2023) | AV50=0.101, diffAV50=0.402, MOD50=6.24, logAge50=8.243 |
| Cavallo et al. (2024) | AV50=0.36, dMod50=6.31, logAge50=8.64, [Fe/H]50=0.27 |
| Alfonso et al. (2024) | AV=0.00071, MOD=6.24997, logAge=7.93517, Z=-0.0071 |
| Almeida et al. (2025) | AV=0.077, Dist=179, logAge=8.261, MassRk=42.1 |
Search coordinates in Bayestar19