SAI 81
(MWSC 1362)
Summary
SAI 81 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 118.029 | -28.122 | – | -2.81 | 1.47 | – |
| Glushkova et al. (2010) | 118.03 | -28.122 | – | – | – | – |
| Kharchenko et al. (2012) | 118.029 | -28.117 | – | 1.45 | 5.16 | – |
| Cantat-Gaudin et al. (2018) | 118.036 | -28.12 | 0.21 | -2.003 | 2.944 | – |
| Bica et al. (2019) | 118.023 | -28.121 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 118.036 | -28.12 | 0.21 | -2.003 | 2.944 | – |
| Dias et al. (2021) | 118.028 | -28.127 | 0.214 | -2.001 | 2.948 | 53.251 |
| Hunt & Reffert (2023) | 118.036 | -28.126 | 0.224 | -2.002 | 2.957 | 54.967 |
| Cavallo et al. (2024) | 118.031 | -28.132 | 0.228 | – | – | – |
| Hunt & Reffert (2024) | 118.036 | -28.126 | 0.224 | -2.002 | 2.957 | 54.967 |
| Almeida et al. (2025) | 118.028 | -28.127 | – | – | – | – |
| UCC | 118.024 | -28.122 | 0.222 | -1.997 | 2.953 | 93.794 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.4, Dist=2770.0, Age=9.2 |
| Glushkova et al. (2010) | E(B-V)=0.4, Dist=2770.0, Age=9.2 |
| Kharchenko et al. (2012) | e_bv=0.729, distance=5165, log_age=8.13 |
| Cantat-Gaudin et al. (2018) | dmode=4178.9 |
| Cantat-Gaudin et al. (2020) | AVNN=1.53, DistPc=4646.0, AgeNN=8.21 |
| Dias et al. (2021) | Av=1.807, Dist=3608, logage=8.366, [Fe/H]=-0.066 |
| Hunt & Reffert (2023) | AV50=1.648, diffAV50=1.852, MOD50=12.888, logAge50=8.285 |
| Cavallo et al. (2024) | AV50=1.83, dMod50=12.95, logAge50=8.35, [Fe/H]50=0.34 |
| Hunt & Reffert (2024) | MassJ=1325.67, MassTot=1337.09 |
| Almeida et al. (2025) | AV=1.807, Dist=3608, logAge=8.366, MassRk=514.6 |
Search coordinates in Bayestar19