Koposov 43
(FSR 0828; MWSC 687; MWSC 688)
Summary
Koposov 43 is a rich, very dense object of high C3 quality. It is located at a large distance from the Sun, above the mid-plane. It is very well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 88.062 | 29.919 | – | 1.07 | -3.35 | – |
| Froebrich et al. (2007) | 88.075 | 29.904 | – | – | – | – |
| Koposov et al. (2008) | 88.061 | 29.919 | – | – | – | – |
| Glushkova et al. (2010) | 88.061 | 29.919 | – | – | – | – |
| Kharchenko et al. (2012) | 88.073 | 29.897 | – | 0.53 | -5.24 | – |
| Loktin & Popova (2017) | 88.065 | 29.919 | – | -0.094 | -1.196 | 26.6 |
| Cantat-Gaudin et al. (2018) | 88.079 | 29.901 | 0.18 | -0.037 | -1.664 | – |
| Bica et al. (2019) | 88.058 | 29.918 | – | – | – | – |
| Soubiran et al. (2018) | 88.079 | 29.901 | – | – | – | -2.87 |
| Cantat-Gaudin et al. (2020) | 88.079 | 29.901 | 0.18 | -0.037 | -1.664 | – |
| Dias et al. (2021) | 88.103 | 29.89 | 0.185 | -0.026 | -1.664 | – |
| Hunt & Reffert (2023) | 88.091 | 29.912 | 0.204 | -0.082 | -1.662 | 12.695 |
| Cavallo et al. (2024) | 88.067 | 29.906 | 0.201 | – | – | – |
| Hunt & Reffert (2024) | 88.091 | 29.912 | 0.204 | -0.082 | -1.662 | 12.695 |
| Almeida et al. (2025) | 88.103 | 29.89 | – | – | – | – |
| Hu & Soubiran (2025) | 88.067 | 29.906 | – | – | – | – |
| UCC | 88.081 | 29.901 | 0.191 | -0.078 | -1.671 | 12.029 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.38, Dist=2800.0, Age=9.3 |
| Koposov et al. (2008) | E(B-V)=0.38, Distance=2800, Age=9.3 |
| Glushkova et al. (2010) | E(B-V)=0.38, Dist=2800.0, Age=9.3 |
| Kharchenko et al. (2012) | e_bv=0.65, distance=3000, log_age=9.115 |
| Loktin & Popova (2017) | E(B-V)=0.706, Dist=4256, logt=7.8 |
| Cantat-Gaudin et al. (2018) | dmode=4787.5 |
| Soubiran et al. (2018) | dmode=4787.5 |
| Cantat-Gaudin et al. (2020) | AVNN=1.41, DistPc=4662.0, AgeNN=9.45 |
| Dias et al. (2021) | Av=2.063, Dist=4831, logage=9.0, [Fe/H]=-0.309 |
| Hunt & Reffert (2023) | AV50=1.496, diffAV50=1.729, MOD50=12.959, logAge50=8.977 |
| Cavallo et al. (2024) | AV50=1.44, dMod50=13.12, logAge50=9.33, [Fe/H]50=-0.17 |
| Hunt & Reffert (2024) | MassJ=1094.79, MassTot=1202.03 |
| Almeida et al. (2025) | AV=2.063, Dist=4831, logAge=9.0, MassRk=112.0 |
| Hu & Soubiran (2025) | MA22=-0.39, MA23f=-0.41, MA23g=-0.38, MK24=-0.32, MF24=-0.5 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 8594 | 6.2 | 88.04 | 29.76 | 0.24 | 0.1 | -1.6 | 59.28 | 0.02 |