Patchick 90
(SAI 68; DSH J0644.7-0031; MWSC 974)
Summary
Patchick 90 is a moderately populated, very dense object of intermediate C3 quality. It is located at a large distance from the Sun, below the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 101.179 | -0.539 | – | 9.39 | 1.43 | – |
| Kronberger et al. (2006) | 101.179 | -0.518 | – | – | – | – |
| Glushkova et al. (2010) | 101.178 | -0.539 | – | – | – | – |
| Kharchenko et al. (2012) | 101.157 | -0.56 | – | -0.44 | -2.28 | – |
| Cantat-Gaudin et al. (2018) | 101.181 | -0.532 | 0.126 | -0.15 | 1.063 | – |
| Bica et al. (2019) | 101.182 | -0.52 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 101.181 | -0.532 | 0.126 | -0.15 | 1.063 | – |
| Dias et al. (2021) | 101.179 | -0.532 | 0.1 | -0.204 | 1.038 | – |
| Hunt & Reffert (2023) | 101.181 | -0.524 | 0.191 | -0.166 | 1.079 | 78.122 |
| Cavallo et al. (2024) | 101.173 | -0.528 | 0.179 | – | – | – |
| Hunt & Reffert (2024) | 101.181 | -0.524 | 0.191 | -0.166 | 1.079 | 78.122 |
| Almeida et al. (2025) | 101.179 | -0.532 | – | – | – | – |
| Hu & Soubiran (2025) | 101.173 | -0.527 | – | – | – | – |
| UCC | 101.18 | -0.526 | 0.169 | -0.188 | 1.076 | 78.12 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.41, Dist=6310.0, Age=8.95 |
| Glushkova et al. (2010) | E(B-V)=0.41, Dist=6310.0, Age=8.95 |
| Kharchenko et al. (2012) | e_bv=0.562, distance=6365, log_age=8.95 |
| Cantat-Gaudin et al. (2018) | dmode=6463.7 |
| Cantat-Gaudin et al. (2020) | AVNN=1.57, DistPc=6783.0, AgeNN=9.04 |
| Dias et al. (2021) | Av=1.938, Dist=7254, logage=8.83, [Fe/H]=-0.129 |
| Hunt & Reffert (2023) | AV50=1.741, diffAV50=1.786, MOD50=13.409, logAge50=8.934 |
| Cavallo et al. (2024) | AV50=2.67, dMod50=13.19, logAge50=8.92, [Fe/H]50=-1.07 |
| Hunt & Reffert (2024) | MassJ=507.611, MassTot=507.611 |
| Almeida et al. (2025) | AV=1.938, Dist=7254, logAge=8.83, MassRk=285.6 |
| Hu & Soubiran (2025) | MA22=-0.3, MA23f=-0.51, MA23g=-0.42, MK24=-0.31, MF24=-0.59 |
Search coordinates in Bayestar19