Trumpler 22
(Collinder 283; VDBH 161; OCL 920; vdBergh-Hagen 161; ESO 134 06; MWSC 2226)
Summary
Trumpler 22 is a rich, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 217.758 | -61.167 | – | -4.63 | -4.9 | -38.46 |
| Piskunov et al. (2008) | 217.743 | -61.169 | – | – | – | – |
| Kharchenko et al. (2012) | 217.732 | -61.165 | – | -5.06 | -4.2 | – |
| Loktin & Popova (2017) | 217.755 | -61.168 | – | -1.131 | -4.299 | -38.46 |
| Cantat-Gaudin et al. (2018) | 217.783 | -61.169 | 0.386 | -5.12 | -2.683 | – |
| Bica et al. (2019) | 217.743 | -61.169 | – | – | – | – |
| Soubiran et al. (2018) | 217.783 | -61.169 | – | – | – | -43.03 |
| Bossini et al. (2019) | 217.783 | -61.169 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 217.783 | -61.169 | 0.386 | -5.12 | -2.683 | – |
| Dias et al. (2021) | 217.794 | -61.155 | 0.386 | -5.136 | -2.713 | -43.17 |
| Hunt & Reffert (2023) | 217.807 | -61.182 | 0.41 | -5.147 | -2.688 | -40.212 |
| Cavallo et al. (2024) | 217.793 | -61.17 | 0.41 | – | – | – |
| Hunt & Reffert (2024) | 217.807 | -61.182 | 0.41 | -5.147 | -2.688 | -40.212 |
| Almeida et al. (2025) | 217.794 | -61.155 | – | – | – | – |
| UCC | 217.796 | -61.165 | 0.402 | -5.142 | -2.687 | -40.732 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.521, Dist=1516.0, Age=7.95, [Fe/H]=-0.17 |
| Piskunov et al. (2008) | E(B-V)=0.52, Dist=1516, logt=8.11, logMA=2.34 |
| Kharchenko et al. (2012) | e_bv=0.5, distance=1614, log_age=8.495 |
| Loktin & Popova (2017) | E(B-V)=0.514, Dist=1526, logt=7.979 |
| Cantat-Gaudin et al. (2018) | dmode=2408.5 |
| Soubiran et al. (2018) | dmode=2408.5 |
| Bossini et al. (2019) | AV=1.834, Dist=11.869, logA=7.385, Fe/H=-0.17 |
| Cantat-Gaudin et al. (2020) | AVNN=1.78, DistPc=2439.0, AgeNN=7.51 |
| Dias et al. (2021) | Av=1.898, Dist=2208, logage=7.81, [Fe/H]=0.275 |
| Hunt & Reffert (2023) | AV50=1.76, diffAV50=0.769, MOD50=11.776, logAge50=7.976 |
| Cavallo et al. (2024) | AV50=1.71, dMod50=11.28, logAge50=8.6, [Fe/H]50=-0.06 |
| Hunt & Reffert (2024) | MassJ=1829.84, MassTot=1829.84 |
| Almeida et al. (2025) | AV=1.898, Dist=2208, logAge=7.81, MassRk=1035.0 |
Search coordinates in Bayestar19