SAI 91
(MWSC 1511; FoF 40)
Summary
SAI 91 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 129.262 | -50.064 | – | -2.92 | 3.79 | – |
| Glushkova et al. (2010) | 129.264 | -50.064 | – | – | – | – |
| Kharchenko et al. (2012) | 129.255 | -50.04 | – | -4.03 | 1.71 | – |
| Cantat-Gaudin et al. (2018) | 129.243 | -50.045 | 0.251 | -4.085 | 4.229 | – |
| Bica et al. (2019) | 129.269 | -50.062 | – | – | – | – |
| Liu & Pang (2019) | 129.253 | -50.031 | 0.248 | -3.905 | 4.134 | – |
| Cantat-Gaudin et al. (2020) | 129.243 | -50.045 | 0.251 | -4.085 | 4.229 | – |
| Dias et al. (2021) | 129.234 | -50.044 | 0.242 | -4.099 | 4.189 | – |
| Hunt & Reffert (2023) | 129.248 | -50.062 | 0.27 | -4.049 | 4.248 | 46.492 |
| Cavallo et al. (2024) | 129.222 | -50.035 | 0.264 | – | – | – |
| Hunt & Reffert (2024) | 129.248 | -50.062 | 0.27 | -4.049 | 4.248 | 46.492 |
| Almeida et al. (2025) | 129.234 | -50.044 | – | – | – | – |
| Hu & Soubiran (2025) | 129.222 | -50.035 | – | – | – | – |
| UCC | 129.232 | -50.052 | 0.266 | -4.069 | 4.248 | 46.702 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.51, Dist=3090.0, Age=8.8 |
| Glushkova et al. (2010) | E(B-V)=0.51, Dist=3090.0, Age=8.8 |
| Kharchenko et al. (2012) | e_bv=0.583, distance=3330, log_age=8.83 |
| Cantat-Gaudin et al. (2018) | dmode=3571.6 |
| Liu & Pang (2019) | Age=0.513, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=1.18, DistPc=3434.0, AgeNN=8.72 |
| Dias et al. (2021) | Av=1.631, Dist=3059, logage=8.655, [Fe/H]=-0.1 |
| Hunt & Reffert (2023) | AV50=1.376, diffAV50=1.384, MOD50=12.657, logAge50=8.549 |
| Cavallo et al. (2024) | AV50=1.28, dMod50=11.92, logAge50=9.15, [Fe/H]50=-0.25 |
| Hunt & Reffert (2024) | MassJ=909.133, MassTot=943.754 |
| Almeida et al. (2025) | AV=1.631, Dist=3059, logAge=8.655, MassRk=458.1 |
| Hu & Soubiran (2025) | MA22=-0.23, MA23f=-0.41, MZ23=-0.39, MK24=-0.33, MF24=-0.32 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0495 | 20.6 | 129.25 | -50.06 | 0.26 | -4.08 | 4.26 | – | 0.0 |