Waterloo 1
Summary
Waterloo 1 is a moderately populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Kharchenko et al. (2012) | 64.657 | 52.86 | – | -2.79 | 3.27 | – |
| Loktin & Popova (2017) | 64.65 | 52.859 | – | -1.721 | 2.801 | – |
| Cantat-Gaudin et al. (2018) | 64.682 | 52.863 | 0.214 | 0.492 | -0.689 | – |
| Soubiran et al. (2018) | 64.682 | 52.863 | – | – | – | -32.97 |
| Cantat-Gaudin et al. (2020) | 64.682 | 52.863 | 0.214 | 0.492 | -0.689 | – |
| Dias et al. (2021) | 64.712 | 52.865 | 0.2 | 0.49 | -0.686 | – |
| Hunt & Reffert (2023) | 64.653 | 52.864 | 0.233 | 0.492 | -0.782 | -9.126 |
| Cavallo et al. (2024) | 65.007 | 52.951 | 0.233 | – | – | – |
| Celli et al. (2024) | 64.682 | 52.863 | – | – | – | – |
| Hunt & Reffert (2024) | 64.653 | 52.864 | 0.233 | 0.492 | -0.782 | -9.126 |
| Almeida et al. (2025) | 64.712 | 52.865 | – | – | – | – |
| UCC | 64.665 | 52.864 | 0.219 | 0.454 | -0.748 | -53.996 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Kharchenko et al. (2012) | e_bv=0.91, distance=4400, log_age=8.6 |
| Loktin & Popova (2017) | E(B-V)=0.629, Dist=1432, logt=7.62 |
| Cantat-Gaudin et al. (2018) | dmode=4115.2 |
| Soubiran et al. (2018) | dmode=4115.2 |
| Cantat-Gaudin et al. (2020) | AVNN=2.6, DistPc=4670.0, AgeNN=7.22 |
| Dias et al. (2021) | Av=2.623, Dist=3709, logage=6.941, [Fe/H]=-0.254 |
| Hunt & Reffert (2023) | AV50=2.609, diffAV50=2.07, MOD50=12.872, logAge50=7.293 |
| Cavallo et al. (2024) | AV50=2.33, dMod50=12.86, logAge50=7.96, [Fe/H]50=0.7 |
| Celli et al. (2024) | Age=16.6, Mc=633.6 |
| Hunt & Reffert (2024) | MassJ=696.957, MassTot=1614.94 |
| Almeida et al. (2025) | AV=2.623, Dist=3709, logAge=6.941, MassRk=517.6 |
Search coordinates in Bayestar19