Czernik 31
(OCL 625; ESO 560 03; MWSC 1281)
Summary
Czernik 31 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is very well-studied in the literature.
This object shares a small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 114.246 | -20.51 | – | -2.15 | 2.16 | – |
| Kharchenko et al. (2012) | 114.26 | -20.525 | – | -2.17 | 4.33 | – |
| Loktin & Popova (2017) | 114.255 | -20.525 | – | -3.03 | 3.352 | – |
| Cantat-Gaudin et al. (2018) | 114.238 | -20.515 | 0.295 | -1.946 | 3.035 | – |
| Bica et al. (2019) | 114.251 | -20.508 | – | – | – | – |
| Soubiran et al. (2018) | 114.238 | -20.515 | – | – | – | 103.03 |
| Bossini et al. (2019) | 114.238 | -20.515 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 114.238 | -20.515 | 0.295 | -1.946 | 3.035 | – |
| Dias et al. (2021) | 114.232 | -20.508 | 0.302 | -1.938 | 3.033 | – |
| Hunt & Reffert (2023) | 114.241 | -20.522 | 0.297 | -1.971 | 3.097 | 103.501 |
| Cavallo et al. (2024) | 114.221 | -20.516 | 0.297 | – | – | – |
| Celli et al. (2024) | 114.238 | -20.515 | – | – | – | – |
| Hunt & Reffert (2024) | 114.241 | -20.522 | 0.297 | -1.971 | 3.097 | 103.501 |
| Almeida et al. (2025) | 114.232 | -20.508 | – | – | – | – |
| UCC | 114.235 | -20.522 | 0.302 | -1.965 | 3.06 | 93.609 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.48, Dist=3200.0, Age=8.2 |
| Kharchenko et al. (2012) | e_bv=0.104, distance=2057, log_age=8.25 |
| Loktin & Popova (2017) | E(B-V)=0.295, Dist=5000, logt=7.4 |
| Cantat-Gaudin et al. (2018) | dmode=3090.3 |
| Soubiran et al. (2018) | dmode=3090.3 |
| Bossini et al. (2019) | AV=1.481, Dist=12.658, logA=7.329, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=1.43, DistPc=3396.0, AgeNN=7.47 |
| Dias et al. (2021) | Av=1.736, Dist=2731, logage=7.433, [Fe/H]=-0.11 |
| Hunt & Reffert (2023) | AV50=1.301, diffAV50=0.857, MOD50=12.312, logAge50=8.186 |
| Cavallo et al. (2024) | AV50=1.93, dMod50=12.56, logAge50=7.36, [Fe/H]50=-0.18 |
| Celli et al. (2024) | Age=29.5, Mc=466.9 |
| Hunt & Reffert (2024) | MassJ=559.956, MassTot=559.956 |
| Almeida et al. (2025) | AV=1.736, Dist=2731, logAge=7.433, MassRk=434.9 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0404 | 23.0 | 114.24 | -20.53 | 0.32 | -1.95 | 3.06 | – | 0.0 |