Collinder 69
(FoF 2381; OCSN 189)
Summary
Collinder 69 is a very rich, very dense object of very high C3 quality. It is located at a very close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 83.775 | 9.933 | – | 0.45 | -2.4 | 31.38 |
| Piskunov et al. (2008) | 83.781 | 9.695 | – | – | – | – |
| Kharchenko et al. (2012) | 83.835 | 9.83 | – | 0.87 | -2.5 | – |
| Loktin & Popova (2017) | 83.775 | 9.934 | – | 0.45 | -2.4 | 31.4 |
| Cantat-Gaudin et al. (2018) | 83.792 | 9.813 | 2.462 | 1.194 | -2.118 | – |
| Soubiran et al. (2018) | 83.792 | 9.813 | – | – | – | 29.1 |
| Dias et al. (2019) | 83.792 | 9.813 | 2.462 | 1.194 | -2.118 | 27.727 |
| Liu & Pang (2019) | 84.209 | 9.709 | 2.456 | 1.179 | -2.182 | – |
| Donor et al. (2020) | 83.835 | 9.83 | – | 0.94 | -1.99 | 28.1 |
| Cantat-Gaudin et al. (2020) | 83.792 | 9.813 | 2.462 | 1.194 | -2.118 | – |
| Dias et al. (2021) | 83.766 | 9.849 | 2.455 | 1.12 | -2.158 | 27.403 |
| Rain et al. (2021) | 83.792 | 9.813 | 2.462 | 1.194 | -2.118 | – |
| Jaehnig et al. (2021) | 83.809 | 9.837 | 2.487 | 1.053 | -2.077 | – |
| He et al. (2022) | 83.922 | 9.803 | 2.505 | 1.262 | -2.128 | – |
| Qin et al. (2023) | 83.87 | 9.82 | 2.5 | 1.25 | -2.02 | 26.11 |
| Hunt & Reffert (2023) | 83.814 | 9.888 | 2.504 | 1.215 | -2.047 | 20.874 |
| Cavallo et al. (2024) | 83.906 | 9.924 | 2.505 | – | – | – |
| Celli et al. (2024) | 83.792 | 9.813 | – | – | – | – |
| Hunt & Reffert (2024) | 83.814 | 9.888 | 2.504 | 1.215 | -2.047 | 20.874 |
| Alfonso et al. (2024) | 83.801 | 9.813 | 2.456 | 1.186 | -2.107 | – |
| Almeida et al. (2025) | 83.766 | 9.849 | – | – | – | – |
| UCC | 83.815 | 9.745 | 2.495 | 1.134 | -2.123 | 23.927 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.12, Dist=400.0, Age=6.7 |
| Piskunov et al. (2008) | E(B-V)=0.09, Dist=438, logt=6.76, logMA=2.178 |
| Kharchenko et al. (2012) | e_bv=0.09, distance=411, log_age=6.76 |
| Loktin & Popova (2017) | E(B-V)=0.103, Dist=430, logt=7.05 |
| Cantat-Gaudin et al. (2018) | dmode=401.5 |
| Soubiran et al. (2018) | dmode=401.5 |
| Dias et al. (2019) | E(B-V)=0.1, Dist=401, logAge=6.965, Z=0.014 |
| Liu & Pang (2019) | Age=0.009, Z=-0.5 |
| Donor et al. (2020) | Fe/H=-0.12 |
| Cantat-Gaudin et al. (2020) | AVNN=0.25, DistPc=416.0, AgeNN=7.1 |
| Dias et al. (2021) | Av=0.371, Dist=400, logage=6.946, [Fe/H]=-0.01 |
| Rain et al. (2021) | E(B-V)=0.12, Dist=401.5, log(Age)=6.7, NBSS=0 |
| Jaehnig et al. (2021) | dmode=0.402 |
| He et al. (2022) | A0=0.2, logAge=6.75 |
| Qin et al. (2023) | E(B-V)=0.1, m-M=8.27, logt=6.9 |
| Hunt & Reffert (2023) | AV50=0.416, diffAV50=1.753, MOD50=7.918, logAge50=6.719 |
| Cavallo et al. (2024) | AV50=0.85, dMod50=8.05, logAge50=6.52, [Fe/H]50=0.0 |
| Celli et al. (2024) | Age=12.6, Mc=564.1 |
| Hunt & Reffert (2024) | MassJ=357.850, MassTot=510.636 |
| Alfonso et al. (2024) | AV=0.25071, MOD=8.09438, logAge=6.97909, Z=-0.0054 |
| Almeida et al. (2025) | AV=0.371, Dist=400, logAge=6.946, MassRk=648.8 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0324 | 3.2 | 85.37 | 9.25 | 2.48 | 1.6 | -2.37 | 24.15 | 0.13 |