Alessi 18
(MWSC 1284; DSH J0737.1-2623)
Summary
Alessi 18 is a sparse, dense object of very low C3 quality. It is located at a very large distance from the Sun, below the mid-plane. It is moderately studied in the literature.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 114.296 | -26.388 | – | -1.39 | -0.34 | – |
| Kronberger et al. (2006) | 114.296 | -26.388 | – | – | – | – |
| Kharchenko et al. (2013) | 114.292 | -26.385 | – | -3.65 | 1.48 | – |
| Kharchenko et al. (2016) | 114.286 | -26.383 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 114.295 | -26.386 | 0.126 | -1.261 | 1.79 | – |
| Bica et al. (2019) | 114.29 | -26.388 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 114.295 | -26.386 | 0.126 | -1.261 | 1.79 | – |
| Dias et al. (2021) | 114.295 | -26.39 | 0.131 | -1.221 | 1.886 | – |
| Just et al. (2023) | 114.286 | -26.383 | – | – | – | – |
| Celli et al. (2024) | 114.296 | -26.388 | – | – | – | – |
| Almeida et al. (2025) | 114.295 | -26.39 | – | – | – | – |
| UCC | 114.296 | -26.39 | 0.1 | -1.267 | 1.883 | 124.549 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.645, Dist=6287.0, Age=9.01 |
| Kharchenko et al. (2013) | E(B-V)=0.645, d=6287.0, logt=9.01 |
| Kharchenko et al. (2016) | E(B-V)=0.645, d=6287.0, logt=9.01 |
| Cantat-Gaudin et al. (2018) | dmode=6456.7 |
| Cantat-Gaudin et al. (2020) | AVNN=2.48, DistPc=7199.0, AgeNN=6.71 |
| Dias et al. (2021) | Av=2.039, Dist=4054, logage=8.819, [Fe/H]=-0.272 |
| Just et al. (2023) | logt=9.01, logmt=2.641 |
| Celli et al. (2024) | Age=5.1, Mc=310.7 |
| Almeida et al. (2025) | AV=2.039, Dist=4054, logAge=8.819, MassRk=269.6 |
Search coordinates in Bayestar19