Koposov 27
(Teutsch 1; MWSC 625; DSH J0539.4+3320; MWSC 624)
Summary
Koposov 27 is a rich, very dense object of high C3 quality. It is located at a moderate 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) | 84.875 | 33.35 | – | -0.63 | -6.44 | – |
| Kronberger et al. (2006) | 84.872 | 33.346 | – | – | – | – |
| Koposov et al. (2008) | 84.875 | 33.35 | – | – | – | – |
| Glushkova et al. (2010) | 84.875 | 33.35 | – | – | – | – |
| Kharchenko et al. (2012) | 84.888 | 33.358 | – | 2.75 | -3.62 | – |
| Kharchenko et al. (2013) | 84.888 | 33.358 | – | 2.75 | -3.62 | – |
| Kharchenko et al. (2016) | 84.878 | 33.359 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 84.871 | 33.347 | 0.223 | 0.653 | -0.767 | – |
| Bica et al. (2019) | 84.865 | 33.342 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 84.871 | 33.347 | 0.223 | 0.653 | -0.767 | – |
| Dias et al. (2021) | 84.871 | 33.349 | 0.211 | 0.654 | -0.756 | – |
| Just et al. (2023) | 84.878 | 33.359 | – | – | – | – |
| Hunt & Reffert (2023) | 84.873 | 33.345 | 0.228 | 0.595 | -0.834 | 14.138 |
| Cavallo et al. (2024) | 84.863 | 33.353 | 0.226 | – | – | – |
| Celli et al. (2024) | 84.871 | 33.347 | – | – | – | – |
| Hunt & Reffert (2024) | 84.873 | 33.345 | 0.228 | 0.595 | -0.834 | 14.138 |
| Zhang et al. (2024) | 84.873 | 33.345 | – | – | – | – |
| Almeida et al. (2025) | 84.871 | 33.349 | – | – | – | – |
| UCC | 84.872 | 33.346 | 0.22 | 0.599 | -0.817 | -6.88 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.45, Dist=3700.0, Age=8.65 |
| Koposov et al. (2008) | E(B-V)=0.45, Distance=3700, Age=8.65 |
| Glushkova et al. (2010) | E(B-V)=0.45, Dist=3700.0, Age=8.65 |
| Kharchenko et al. (2012) | E(B-V)=0.75, d=2500.0, logt=8.755 |
| Kharchenko et al. (2013) | E(B-V)=0.75, d=2500.0, logt=8.755 |
| Kharchenko et al. (2016) | E(B-V)=0.75, d=2500.0, logt=8.755 |
| Cantat-Gaudin et al. (2018) | dmode=3963.3 |
| Cantat-Gaudin et al. (2020) | AVNN=1.95, DistPc=5318.0, AgeNN=7.44 |
| Dias et al. (2021) | Av=2.058, Dist=4066, logage=7.681, [Fe/H]=-0.212 |
| Just et al. (2023) | logt=8.755, logmt=2.089 |
| Hunt & Reffert (2023) | AV50=1.513, diffAV50=1.85, MOD50=12.789, logAge50=8.379 |
| Cavallo et al. (2024) | AV50=1.8, dMod50=13.18, logAge50=7.78, [Fe/H]50=0.23 |
| Celli et al. (2024) | Age=27.5, Mc=378.2 |
| Hunt & Reffert (2024) | MassJ=565.287, MassTot=596.887 |
| Zhang et al. (2024) | [Fe/H]ANN=-0.4612, [Fe/H]MCMC=-0.4706 |
| Almeida et al. (2025) | AV=2.058, Dist=4066, logAge=7.681, MassRk=233.5 |
Search coordinates in Bayestar19