Czernik 21
Summary
Czernik 21 is a very rich, very dense object of intermediate 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) | 81.671 | 36.014 | – | -2.56 | -4.73 | – |
| Glushkova et al. (2010) | 81.671 | 36.014 | – | – | – | – |
| Kharchenko et al. (2012) | 81.683 | 36.015 | – | 1.41 | -3.82 | – |
| Loktin & Popova (2017) | 81.675 | 36.015 | – | 0.591 | -1.279 | – |
| Cantat-Gaudin et al. (2018) | 81.671 | 36.013 | 0.221 | 2.244 | -0.907 | – |
| Soubiran et al. (2018) | 81.671 | 36.013 | – | – | – | 45.52 |
| Donor et al. (2020) | 81.683 | 36.015 | – | 2.38 | -1.04 | 45.0 |
| Cantat-Gaudin et al. (2020) | 81.671 | 36.013 | 0.221 | 2.244 | -0.907 | – |
| Dias et al. (2021) | 81.675 | 36.011 | 0.225 | 2.291 | -0.915 | 45.77 |
| Hunt & Reffert (2023) | 81.676 | 36.018 | 0.272 | 2.184 | -0.891 | 41.628 |
| Cavallo et al. (2024) | 81.675 | 36.006 | 0.265 | – | – | – |
| Hunt & Reffert (2024) | 81.676 | 36.018 | 0.272 | 2.184 | -0.891 | 41.628 |
| Almeida et al. (2025) | 81.675 | 36.011 | – | – | – | – |
| Hu & Soubiran (2025) | 81.675 | 36.006 | – | – | – | – |
| UCC | 81.667 | 36.016 | 0.255 | 2.15 | -0.913 | 43.587 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.72, Dist=2300.0, Age=9.55 |
| Glushkova et al. (2010) | E(B-V)=0.72, Dist=2300.0, Age=9.55 |
| Kharchenko et al. (2012) | e_bv=0.849, distance=4301, log_age=9.35 |
| Loktin & Popova (2017) | E(B-V)=0.759, Dist=4134, logt=8.87 |
| Cantat-Gaudin et al. (2018) | dmode=4000.3 |
| Soubiran et al. (2018) | dmode=4000.3 |
| Donor et al. (2020) | Fe/H=-0.32 |
| Cantat-Gaudin et al. (2020) | AVNN=2.05, DistPc=4036.0, AgeNN=9.41 |
| Dias et al. (2021) | Av=2.868, Dist=4269, logage=9.151, [Fe/H]=-0.239 |
| Hunt & Reffert (2023) | AV50=2.762, diffAV50=2.31, MOD50=12.552, logAge50=9.02 |
| Cavallo et al. (2024) | AV50=2.58, dMod50=12.93, logAge50=9.19, [Fe/H]50=0.02 |
| Hunt & Reffert (2024) | MassJ=2424.43, MassTot=2441.59 |
| Almeida et al. (2025) | AV=2.868, Dist=4269, logAge=9.151, MassRk=2311.1 |
| Hu & Soubiran (2025) | MA22=-0.3, MA23f=-0.37, MA23g=-0.33, MZ23=-0.52, MK24=-0.31, MF24=-0.39 |
Search coordinates in Bayestar19