Platais 4
(HIP 23784 Group; MWSC 467)
Summary
Platais 4 is a sparse, very loose object of low C3 quality. It is located at a very large distance from the Sun, well below the mid-plane. It is moderately studied in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 76.842 | 22.278 | – | 1.65 | -6.49 | 16.26 |
| Piskunov et al. (2007) | 76.719 | 22.366 | – | – | – | – |
| Piskunov et al. (2008) | 76.719 | 22.366 | – | – | – | – |
| Kharchenko et al. (2012) | 76.718 | 22.573 | – | 0.8 | -6.44 | – |
| Bica et al. (2019) | 76.849 | 22.284 | – | – | – | – |
| Donor et al. (2020) | 76.718 | 22.573 | – | 0.2 | -1.87 | 15.2 |
| UCC | 76.762 | 22.447 | 0.093 | 0.349 | -1.071 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | Dist=276.0, Age=8.0 |
| Piskunov et al. (2007) | E(B-V)=0.25, Dist=276, logt=8.24, logM=2.797 |
| Piskunov et al. (2008) | E(B-V)=0.25, Dist=276, logt=8.24, logM=3.045, logMA=2.752 |
| Kharchenko et al. (2012) | e_bv=0.271, distance=275, log_age=8.55 |
| Donor et al. (2020) | Fe/H=-0.31 |
Search coordinates in Bayestar19