Collinder 379
(NGC 6631; MWSC 2916; OCL 59)
Summary
Collinder 379 is a rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.
This object shares a moderate percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 276.796 | -12.03 | – | -0.28 | -3.57 | – |
| Kharchenko et al. (2013) | 276.813 | -12.02 | – | -2.2 | -5.67 | – |
| Kharchenko et al. (2016) | 276.805 | -12.022 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 276.79 | -12.029 | 0.329 | -0.388 | -2.918 | – |
| Bica et al. (2019) | 276.775 | -12.032 | – | – | – | – |
| Soubiran et al. (2018) | 276.79 | -12.029 | – | – | – | 37.64 |
| Cantat-Gaudin et al. (2020) | 276.79 | -12.029 | 0.329 | -0.388 | -2.918 | – |
| Dias et al. (2021) | 276.792 | -12.021 | 0.329 | -0.404 | -2.918 | – |
| Rain et al. (2021) | 276.79 | -12.029 | 0.329 | -0.388 | -2.918 | – |
| Jaehnig et al. (2021) | 276.81 | -12.009 | 0.345 | -0.678 | -2.524 | – |
| Just et al. (2023) | 276.805 | -12.022 | – | – | – | – |
| Hunt & Reffert (2023) | 276.785 | -12.039 | 0.361 | -0.349 | -2.961 | 37.874 |
| Cavallo et al. (2024) | 276.782 | -12.038 | 0.362 | – | – | – |
| Hunt & Reffert (2024) | 276.785 | -12.039 | 0.361 | -0.349 | -2.961 | 37.874 |
| Almeida et al. (2025) | 276.792 | -12.021 | – | – | – | – |
| UCC | 276.788 | -12.035 | 0.348 | -0.369 | -2.945 | 38.016 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.45, Dist=2600.0, Age=8.6 |
| Kharchenko et al. (2013) | E(B-V)=0.729, d=2972.0, logt=8.79 |
| Kharchenko et al. (2016) | E(B-V)=0.729, d=2972.0, logt=8.79 |
| Cantat-Gaudin et al. (2018) | dmode=2791.9 |
| Soubiran et al. (2018) | dmode=2791.9 |
| Cantat-Gaudin et al. (2020) | AVNN=2.8, DistPc=2676.0, AgeNN=8.3 |
| Dias et al. (2021) | Av=2.727, Dist=2365, logage=8.189, [Fe/H]=0.326 |
| Rain et al. (2021) | E(B-V)=0.45, Dist=2791.9, log(Age)=8.6, NBSS=0 |
| Jaehnig et al. (2021) | dmode=2.942 |
| Just et al. (2023) | logt=8.79, logmt=3.62 |
| Hunt & Reffert (2023) | AV50=3.113, diffAV50=1.891, MOD50=11.945, logAge50=7.887 |
| Cavallo et al. (2024) | AV50=3.53, dMod50=11.09, logAge50=7.67, [Fe/H]50=-1.08 |
| Hunt & Reffert (2024) | MassJ=1787.27, MassTot=1787.27 |
| Almeida et al. (2025) | AV=2.727, Dist=2365, logAge=8.189, MassRk=662.4 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0033 | 31.8 | 276.79 | -12.04 | 0.36 | -0.34 | -2.98 | 39.07 | 0.0 |