Alessi 10
(LeDrew 3; OCSN 140)
Summary
Alessi 10 is a rich, very dense object of very high C3 quality. It is located at a very close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a moderate percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 301.192 | -10.478 | – | 2.32 | -8.57 | 75.9 |
| Alessi et al. (2003) | 301.2 | -10.525 | – | 2.3 | -8.6 | – |
| Piskunov et al. (2008) | 301.178 | -10.486 | – | – | – | – |
| Kharchenko et al. (2012) | 301.182 | -10.485 | – | 1.0 | -7.57 | – |
| Loktin & Popova (2017) | 301.185 | -10.479 | – | 1.651 | -6.04 | 75.9 |
| Cantat-Gaudin et al. (2018) | 301.233 | -10.555 | 2.233 | 1.469 | -7.879 | – |
| Bica et al. (2019) | 301.191 | -10.482 | – | – | – | – |
| Soubiran et al. (2018) | 301.233 | -10.555 | – | – | – | -13.57 |
| Bossini et al. (2019) | 301.233 | -10.555 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 301.233 | -10.555 | 2.233 | 1.469 | -7.879 | – |
| Dias et al. (2021) | 301.206 | -10.545 | 2.225 | 1.458 | -7.846 | -12.671 |
| Tarricq et al. (2022) | 301.231 | -10.522 | 2.273 | 1.462 | -7.885 | – |
| He et al. (2022) | 301.229 | -10.524 | 2.26 | 1.447 | -7.898 | – |
| Qin et al. (2023) | 301.24 | -10.5 | 2.27 | 1.45 | -7.94 | -16.23 |
| Hunt & Reffert (2023) | 301.232 | -10.529 | 2.219 | 1.454 | -7.902 | -17.601 |
| Cavallo et al. (2024) | 301.18 | -10.516 | 2.241 | – | – | – |
| Hunt & Reffert (2024) | 301.232 | -10.529 | 2.219 | 1.454 | -7.902 | -17.601 |
| Alfonso et al. (2024) | 301.252 | -10.533 | 2.226 | 1.477 | -7.884 | – |
| Almeida et al. (2025) | 301.206 | -10.545 | – | – | – | – |
| UCC | 301.254 | -10.546 | 2.257 | 1.476 | -7.884 | -15.442 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.22, Dist=513.0, Age=8.35 |
| Alessi et al. (2003) | E(B-V)=0.18, d_pc=380.0 |
| Piskunov et al. (2008) | E(B-V)=0.22, Dist=513, logt=8.71, logMA=1.143 |
| Kharchenko et al. (2012) | e_bv=0.221, distance=513, log_age=8.195 |
| Loktin & Popova (2017) | E(B-V)=0.241, Dist=1922, logt=8.29 |
| Cantat-Gaudin et al. (2018) | dmode=442.0 |
| Soubiran et al. (2018) | dmode=442.0 |
| Bossini et al. (2019) | AV=0.423, Dist=8.416, logA=7.746, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.33, DistPc=469.0, AgeNN=7.96 |
| Dias et al. (2021) | Av=0.496, Dist=445, logage=8.547, [Fe/H]=0.019 |
| Tarricq et al. (2022) | Dist=464, logAgeNN=7.98 |
| He et al. (2022) | A0=0.6, logAge=7.9 |
| Qin et al. (2023) | E(B-V)=0.24, m-M=8.9, logt=7.9 |
| Hunt & Reffert (2023) | AV50=0.338, diffAV50=0.947, MOD50=8.14, logAge50=8.027 |
| Cavallo et al. (2024) | AV50=0.77, dMod50=8.3, logAge50=7.59, [Fe/H]50=-0.23 |
| Hunt & Reffert (2024) | MassJ=179.689, MassTot=242.035 |
| Alfonso et al. (2024) | AV=0.33031, MOD=8.35961, logAge=7.97975, Z=0.01932 |
| Almeida et al. (2025) | AV=0.496, Dist=445, logAge=8.547, MassRk=82.0 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 14542 | 29.7 | 301.23 | -10.53 | 2.27 | 1.47 | -7.93 | -16.39 | 0.0 |