COIN-Gaia 21
Summary
COIN-Gaia 21 is a moderately populated, very dense object of high C3 quality. It is located at a relatively close distance from the Sun, near the mid-plane. It is moderately studied in the literature.
This object shares a large percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Cantat-Gaudin et al. (2019) | 84.766 | 28.402 | 0.7 | -0.12 | -3.82 | – |
| Cantat-Gaudin et al. (2020) | 84.766 | 28.402 | 0.697 | -0.115 | -3.849 | – |
| Dias et al. (2021) | 84.759 | 28.387 | 0.702 | -0.122 | -3.807 | – |
| Hunt & Reffert (2023) | 84.755 | 28.437 | 0.695 | -0.143 | -3.827 | -1.68 |
| Cavallo et al. (2024) | 84.745 | 28.408 | 0.702 | – | – | – |
| Celli et al. (2024) | 84.766 | 28.402 | – | – | – | – |
| Hunt & Reffert (2024) | 84.755 | 28.437 | 0.695 | -0.143 | -3.827 | -1.68 |
| Almeida et al. (2025) | 84.759 | 28.387 | – | – | – | – |
| UCC | 84.753 | 28.421 | 0.7 | -0.172 | -3.818 | 1.675 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Cantat-Gaudin et al. (2019) | d=1378 |
| Cantat-Gaudin et al. (2020) | AVNN=1.09, DistPc=1406.0, AgeNN=7.45 |
| Dias et al. (2021) | Av=1.501, Dist=1222, logage=7.358, [Fe/H]=0.003 |
| Hunt & Reffert (2023) | AV50=1.268, diffAV50=1.766, MOD50=10.582, logAge50=7.398 |
| Cavallo et al. (2024) | AV50=1.5, dMod50=10.56, logAge50=7.51, [Fe/H]50=-0.03 |
| Celli et al. (2024) | Age=28.2, Mc=169.3 |
| Hunt & Reffert (2024) | MassJ=393.941, MassTot=401.045 |
| Almeida et al. (2025) | AV=1.501, Dist=1222, logAge=7.358, MassRk=120.8 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 69 | 91.2 | 84.75 | 28.43 | 0.7 | -0.17 | -3.81 | -10.06 | 0.06 |