Czernik 20
(OCL 427; MWSC 508)
Summary
Czernik 20 is a 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.
This object shares a large percentage of members with 2 later reported entries.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dambis (1999) | 80.025 | 39.467 | – | – | – | – |
| Dias et al. (2002) | 80.133 | 39.547 | – | -0.67 | -3.3 | -29.97 |
| Kharchenko et al. (2012) | 80.115 | 39.54 | – | -3.76 | -1.12 | – |
| Loktin & Popova (2017) | 80.13 | 39.547 | – | -0.67 | -3.3 | -29.97 |
| Cantat-Gaudin et al. (2018) | 80.129 | 39.545 | 0.264 | 0.619 | -1.583 | – |
| Bica et al. (2019) | 80.055 | 39.573 | – | – | – | – |
| Donor et al. (2020) | 80.115 | 39.54 | – | 0.58 | -1.56 | 31.4 |
| Cantat-Gaudin et al. (2020) | 80.129 | 39.545 | 0.264 | 0.619 | -1.583 | – |
| Dias et al. (2021) | 80.136 | 39.542 | 0.268 | 0.612 | -1.576 | – |
| Hunt & Reffert (2023) | 80.133 | 39.544 | 0.286 | 0.543 | -1.59 | 30.945 |
| Cavallo et al. (2024) | 80.124 | 39.544 | 0.285 | – | – | – |
| Hunt & Reffert (2024) | 80.133 | 39.544 | 0.286 | 0.543 | -1.59 | 30.945 |
| Almeida et al. (2025) | 80.136 | 39.542 | – | – | – | – |
| Hu & Soubiran (2025) | 80.124 | 39.544 | – | – | – | – |
| UCC | 80.12 | 39.536 | 0.275 | 0.564 | -1.591 | 31.076 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.533, DM0=12.76, log_age_=7.0 |
| Dias et al. (2002) | E(B-V)=0.422, Dist=3370.0, Age=7.173 |
| Kharchenko et al. (2012) | e_bv=0.6, distance=2000, log_age=9.19 |
| Loktin & Popova (2017) | E(B-V)=0.418, Dist=2957, logt=7.156 |
| Cantat-Gaudin et al. (2018) | dmode=3415.5 |
| Donor et al. (2020) | Fe/H=-0.16 |
| Cantat-Gaudin et al. (2020) | AVNN=1.49, DistPc=3488.0, AgeNN=9.22 |
| Dias et al. (2021) | Av=1.858, Dist=3421, logage=9.17, [Fe/H]=-0.113 |
| Hunt & Reffert (2023) | AV50=1.471, diffAV50=0.581, MOD50=12.647, logAge50=9.279 |
| Cavallo et al. (2024) | AV50=2.1, dMod50=12.78, logAge50=9.1, [Fe/H]50=-0.51 |
| Hunt & Reffert (2024) | MassJ=426.036, MassTot=426.036 |
| Almeida et al. (2025) | AV=1.858, Dist=3421, logAge=9.17, MassRk=434.0 |
| Hu & Soubiran (2025) | MA22=-0.22, MA23f=-0.42, MA23g=-0.27, MZ23=-0.53, MK24=-0.27, MF24=-0.39 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| Teutsch 88 | 91.2 | 80.12 | 39.54 | 0.29 | 0.53 | -1.58 | 31.26 | 0.08 |
| Melotte 32 | 6.9 | 80.03 | 39.33 | 0.34 | 0.48 | -1.37 | -0.3 | 0.94 |