Alessi 33
(ASCC 32; MWSC 1069; FoF 2271)
Summary
Alessi 33 is a rich, very dense object of very 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.
This object shares a large percentage of members with 3 later reported entries.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 105.496 | -26.503 | – | -1.47 | 2.32 | – |
| Kharchenko et al. (2005) | 105.49 | -26.5 | – | -3.39 | 1.97 | – |
| Piskunov et al. (2007) | 105.489 | -26.503 | – | – | – | – |
| Piskunov et al. (2008) | 105.489 | -26.503 | – | – | – | – |
| Kharchenko et al. (2013) | 105.525 | -26.56 | – | -2.33 | 4.25 | – |
| Kharchenko et al. (2016) | 105.52 | -26.558 | – | – | – | – |
| Loktin & Popova (2017) | 105.495 | -26.503 | – | -0.768 | 0.813 | – |
| Cantat-Gaudin et al. (2018) | 105.714 | -26.512 | 1.23 | -3.307 | 3.477 | – |
| Bica et al. (2019) | 105.499 | -26.499 | – | – | – | – |
| Soubiran et al. (2018) | 105.714 | -26.512 | – | – | – | 35.05 |
| Bossini et al. (2019) | 105.714 | -26.512 | – | – | – | – |
| Liu & Pang (2019) | 105.742 | -26.363 | 1.219 | -3.264 | 3.461 | – |
| Cantat-Gaudin et al. (2020) | 105.714 | -26.512 | 1.23 | -3.307 | 3.477 | – |
| Dias et al. (2021) | 105.711 | -26.576 | 1.24 | -3.317 | 3.475 | 34.607 |
| He et al. (2022) | 105.703 | -26.169 | 1.233 | -3.218 | 3.456 | – |
| Just et al. (2023) | 105.52 | -26.558 | – | – | – | – |
| Cordoni et al. (2023) | 105.711 | -26.576 | 1.24 | -3.317 | 3.475 | – |
| Hunt & Reffert (2023) | 105.71 | -26.365 | 1.249 | -3.218 | 3.488 | 34.107 |
| Cavallo et al. (2024) | 105.761 | -26.431 | 1.246 | – | – | – |
| Celli et al. (2024) | 105.714 | -26.512 | – | – | – | – |
| Hunt & Reffert (2024) | 105.71 | -26.365 | 1.249 | -3.218 | 3.488 | 34.107 |
| Alfonso et al. (2024) | 105.768 | -26.563 | 1.21 | -3.201 | 3.484 | – |
| Almeida et al. (2025) | 105.711 | -26.576 | – | – | – | – |
| UCC | 105.744 | -26.477 | 1.252 | -3.228 | 3.502 | 33.096 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.08, Dist=750.0, Age=8.18 |
| Kharchenko et al. (2005) | E(B-V)=0.08, Dist=750, logt=8.18 |
| Piskunov et al. (2007) | E(B-V)=0.08, Dist=750, logt=8.18, logM=2.198 |
| Piskunov et al. (2008) | E(B-V)=0.08, Dist=750, logt=8.18, logM=2.58, logMA=2.907 |
| Kharchenko et al. (2013) | E(B-V)=0.079, d=767.0, logt=8.215 |
| Kharchenko et al. (2016) | E(B-V)=0.079, d=767.0, logt=8.215 |
| Loktin & Popova (2017) | E(B-V)=0.073, Dist=791, logt=8.189 |
| Cantat-Gaudin et al. (2018) | dmode=794.6 |
| Soubiran et al. (2018) | dmode=794.6 |
| Bossini et al. (2019) | AV=0.218, Dist=9.322, logA=7.404, Fe/H=0.0 |
| Liu & Pang (2019) | Age=0.019, Z=-0.75 |
| Cantat-Gaudin et al. (2020) | AVNN=0.26, DistPc=805.0, AgeNN=7.4 |
| Dias et al. (2021) | Av=0.22, Dist=792, logage=7.432, [Fe/H]=-0.003 |
| He et al. (2022) | A0=0.1, logAge=7.25 |
| Just et al. (2023) | logt=8.215, logmt=2.342 |
| Cordoni et al. (2023) | Av=0.22, Dist=9.494, logAge=7.432, [Fe/H]=-0.003, mass-single=2417.39, fbin-tot=0.36, fbss-MS=0.0 |
| Hunt & Reffert (2023) | AV50=0.139, diffAV50=0.734, MOD50=9.449, logAge50=7.196 |
| Cavallo et al. (2024) | AV50=0.44, dMod50=9.63, logAge50=6.81, [Fe/H]50=-0.28 |
| Celli et al. (2024) | Age=25.1, Mc=559.6 |
| Hunt & Reffert (2024) | MassJ=272.054, MassTot=287.631 |
| Alfonso et al. (2024) | AV=0.25832, MOD=9.52977, logAge=7.38599, Z=-0.0034 |
| Almeida et al. (2025) | AV=0.22, Dist=792, logAge=7.432, MassRk=696.8 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWWDL 14294 | 94.8 | 105.75 | -26.5 | 1.26 | -3.22 | 3.51 | 32.7 | 0.06 |
| OC 0408 | 6.2 | 105.12 | -26.51 | 1.22 | -3.22 | 3.55 | 34.95 | 0.09 |
| OC 0410 | 3.3 | 105.73 | -27.38 | 1.2 | -3.1 | 3.48 | 35.18 | 0.13 |