Waterloo 7
(MWSC 1220)
Summary
Waterloo 7 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 very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 111.533 | -15.093 | – | -1.79 | 2.63 | – |
| Kharchenko et al. (2012) | 111.532 | -15.093 | – | -1.79 | 2.63 | – |
| Loktin & Popova (2017) | 111.54 | -15.091 | – | -2.705 | 0.737 | 83.0 |
| Cantat-Gaudin et al. (2018) | 111.532 | -15.09 | 0.27 | -1.514 | 1.695 | – |
| Bica et al. (2019) | 111.541 | -15.09 | – | – | – | – |
| Soubiran et al. (2018) | 111.532 | -15.09 | – | – | – | 65.91 |
| Bossini et al. (2019) | 111.532 | -15.09 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 111.532 | -15.09 | 0.27 | -1.514 | 1.695 | – |
| Dias et al. (2021) | 111.532 | -15.088 | 0.267 | -1.521 | 1.681 | – |
| Rain et al. (2021) | 111.532 | -15.09 | 0.27 | -1.514 | 1.695 | – |
| Hunt & Reffert (2023) | 111.537 | -15.092 | 0.264 | -1.521 | 1.728 | 59.398 |
| Cavallo et al. (2024) | 111.547 | -15.089 | 0.263 | – | – | – |
| Hunt & Reffert (2024) | 111.537 | -15.092 | 0.264 | -1.521 | 1.728 | 59.398 |
| Almeida et al. (2025) | 111.532 | -15.088 | – | – | – | – |
| UCC | 111.537 | -15.093 | 0.275 | -1.529 | 1.724 | 62.438 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.42, Dist=2800.0 |
| Kharchenko et al. (2012) | e_bv=0.354, distance=2932, log_age=8.53 |
| Loktin & Popova (2017) | E(B-V)=0.183, Dist=4233, logt=7.97 |
| Cantat-Gaudin et al. (2018) | dmode=3345.8 |
| Soubiran et al. (2018) | dmode=3345.8 |
| Bossini et al. (2019) | AV=1.321, Dist=12.831, logA=7.653, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=1.48, DistPc=3560.0, AgeNN=7.48 |
| Dias et al. (2021) | Av=1.407, Dist=2841, logage=7.826, [Fe/H]=-0.107 |
| Rain et al. (2021) | E(B-V)=0.41, Dist=3345.8, log(Age)=7.76, NBSS=1 |
| Hunt & Reffert (2023) | AV50=1.098, diffAV50=0.952, MOD50=12.528, logAge50=8.284 |
| Cavallo et al. (2024) | AV50=1.5, dMod50=12.61, logAge50=7.3, [Fe/H]50=0.21 |
| Hunt & Reffert (2024) | MassJ=503.175, MassTot=517.104 |
| Almeida et al. (2025) | AV=1.407, Dist=2841, logAge=7.826, MassRk=200.9 |
Search coordinates in Bayestar19