Alessi 17
(MWSC 1271)
Summary
Alessi 17 is a poorly 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. (2013) | 113.85 | -15.092 | – | -3.36 | -0.75 | – |
| Kharchenko et al. (2016) | 113.844 | -15.089 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 113.853 | -15.098 | 0.264 | -1.526 | 1.557 | – |
| Bica et al. (2019) | 113.845 | -15.093 | – | – | – | – |
| Soubiran et al. (2018) | 113.853 | -15.098 | – | – | – | 70.21 |
| Cantat-Gaudin et al. (2020) | 113.853 | -15.098 | 0.264 | -1.526 | 1.557 | – |
| Dias et al. (2021) | 113.853 | -15.092 | 0.262 | -1.554 | 1.558 | – |
| Just et al. (2023) | 113.844 | -15.089 | – | – | – | – |
| Hunt & Reffert (2023) | 113.852 | -15.098 | 0.215 | -1.456 | 1.574 | – |
| Cavallo et al. (2024) | 113.835 | -15.094 | 0.216 | – | – | – |
| Hunt & Reffert (2024) | 113.852 | -15.098 | 0.215 | -1.456 | 1.574 | – |
| Almeida et al. (2025) | 113.853 | -15.092 | – | – | – | – |
| UCC | 113.853 | -15.097 | 0.231 | -1.492 | 1.552 | 66.026 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Kharchenko et al. (2013) | E(B-V)=0.437, d=4697.0, logt=8.22 |
| Kharchenko et al. (2016) | E(B-V)=0.437, d=4697.0, logt=8.22 |
| Cantat-Gaudin et al. (2018) | dmode=3418.8 |
| Soubiran et al. (2018) | dmode=3418.8 |
| Dias et al. (2021) | Av=0.81, Dist=3718, logage=8.953, [Fe/H]=-0.138 |
| Just et al. (2023) | logt=8.22, logmt=2.648 |
| Hunt & Reffert (2023) | AV50=0.886, diffAV50=0.874, MOD50=13.151, logAge50=8.38 |
| Cavallo et al. (2024) | AV50=1.35, dMod50=12.72, logAge50=8.45, [Fe/H]50=-0.48 |
| Hunt & Reffert (2024) | MassJ=326.679, MassTot=379.851 |
| Almeida et al. (2025) | AV=0.81, Dist=3718, logAge=8.953, MassRk=146.9 |
Search coordinates in Bayestar19