Alessi 6
(MWSC 2240; FoF 2277)
Summary
Alessi 6 is a rich, very dense object of high C3 quality. It is located at a close distance from the Sun, below the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Alessi et al. (2003) | 220.05 | -66.175 | – | -7.3 | -4.3 | – |
| Piskunov et al. (2007) | 220.038 | -66.115 | – | – | – | – |
| Piskunov et al. (2008) | 220.038 | -66.115 | – | – | – | – |
| Kharchenko et al. (2012) | 220.132 | -66.12 | – | -8.2 | -5.9 | – |
| Cantat-Gaudin et al. (2018) | 220.058 | -66.127 | 1.1 | -10.472 | -5.559 | – |
| Bica et al. (2019) | 220.07 | -66.12 | – | – | – | – |
| Soubiran et al. (2018) | 220.058 | -66.127 | – | – | – | -14.35 |
| Bossini et al. (2019) | 220.058 | -66.127 | – | – | – | – |
| Liu & Pang (2019) | 220.086 | -66.127 | 1.108 | -10.512 | -5.545 | – |
| Cantat-Gaudin et al. (2020) | 220.058 | -66.127 | 1.1 | -10.472 | -5.559 | – |
| Dias et al. (2021) | 220.086 | -66.136 | 1.101 | -10.483 | -5.55 | -14.197 |
| Tarricq et al. (2022) | 219.968 | -66.126 | 1.126 | -10.529 | -5.531 | – |
| He et al. (2022) | 220.086 | -66.123 | 1.133 | -10.559 | -5.531 | – |
| Hunt & Reffert (2023) | 220.011 | -66.137 | 1.126 | -10.543 | -5.535 | -14.862 |
| Cavallo et al. (2024) | 220.066 | -66.102 | 1.13 | – | – | – |
| Hunt & Reffert (2024) | 220.011 | -66.137 | 1.126 | -10.543 | -5.535 | -14.862 |
| Alfonso et al. (2024) | 220.124 | -66.126 | 1.089 | -10.524 | -5.516 | – |
| Almeida et al. (2025) | 220.086 | -66.136 | – | – | – | – |
| UCC | 220.063 | -66.125 | 1.124 | -10.534 | -5.547 | -14.369 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Alessi et al. (2003) | E(B-V)=0.19, d_pc=440.0, logt=8.2 |
| Piskunov et al. (2007) | E(B-V)=0.19, Dist=437, logt=8.3, logM=1.274 |
| Piskunov et al. (2008) | E(B-V)=0.19, Dist=437, logt=8.3, logM=1.809, logMA=1.8 |
| Kharchenko et al. (2012) | e_bv=0.189, distance=613, log_age=8.32, metallicity=-0.154 |
| Cantat-Gaudin et al. (2018) | dmode=885.5 |
| Soubiran et al. (2018) | dmode=885.5 |
| Bossini et al. (2019) | AV=0.719, Dist=9.552, logA=8.777, Fe/H=-0.382 |
| Liu & Pang (2019) | Age=0.347, Z=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.7, DistPc=886.0, AgeNN=8.63 |
| Dias et al. (2021) | Av=0.879, Dist=865, logage=8.785, [Fe/H]=0.148 |
| Tarricq et al. (2022) | Dist=867, logAgeNN=8.65 |
| He et al. (2022) | A0=1.1, logAge=8.55 |
| Hunt & Reffert (2023) | AV50=0.67, diffAV50=0.604, MOD50=9.605, logAge50=8.563 |
| Cavallo et al. (2024) | AV50=0.89, dMod50=9.75, logAge50=8.62, [Fe/H]50=0.29 |
| Hunt & Reffert (2024) | MassJ=496.493, MassTot=522.214 |
| Alfonso et al. (2024) | AV=0.69828, MOD=9.74061, logAge=8.71383, Z=0.14735 |
| Almeida et al. (2025) | AV=0.879, Dist=865, logAge=8.785, MassRk=414.2 |
Search coordinates in Bayestar19