Trumpler 30
(Collinder 355; MWSC 2755; Harvard 18; OCL 1025; ESO 394 12)
Summary
Trumpler 30 is a rich, very dense object of very high C3 quality. It is located at a relatively 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 a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Kharchenko et al. (2003) | 269.08 | -35.37 | – | -2.38 | -2.43 | – |
| Kharchenko et al. (2005) | 269.19 | -35.27 | – | 3.82 | -0.13 | – |
| Piskunov et al. (2008) | 269.182 | -35.272 | – | – | – | – |
| Kharchenko et al. (2013) | 269.227 | -35.27 | – | 1.35 | -1.91 | – |
| Kharchenko et al. (2016) | 269.218 | -35.271 | – | – | – | – |
| Cantat-Gaudin et al. (2018) | 269.182 | -35.298 | 0.707 | 1.243 | -2.189 | – |
| Bica et al. (2019) | 269.205 | -35.259 | – | – | – | – |
| Soubiran et al. (2018) | 269.182 | -35.298 | – | – | – | -18.36 |
| Bossini et al. (2019) | 269.182 | -35.298 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 269.182 | -35.298 | 0.707 | 1.243 | -2.189 | – |
| Dias et al. (2021) | 269.178 | -35.302 | 0.707 | 1.246 | -2.184 | -18.671 |
| Tarricq et al. (2022) | 269.176 | -35.296 | 0.679 | 1.155 | -2.24 | – |
| Just et al. (2023) | 269.218 | -35.271 | – | – | – | – |
| Hunt & Reffert (2023) | 269.186 | -35.284 | 0.701 | 1.145 | -2.23 | -24.19 |
| Cavallo et al. (2024) | 269.174 | -35.314 | 0.7 | – | – | – |
| Hunt & Reffert (2024) | 269.186 | -35.284 | 0.701 | 1.145 | -2.23 | -24.19 |
| Almeida et al. (2025) | 269.178 | -35.302 | – | – | – | – |
| UCC | 269.174 | -35.304 | 0.7 | 1.173 | -2.217 | -20.057 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Kharchenko et al. (2003) | E(B-V)=0.1, Dist=625 |
| Kharchenko et al. (2005) | E(B-V)=0.22, Dist=1000, logt=8.31 |
| Piskunov et al. (2008) | E(B-V)=0.22, Dist=1000, logt=8.31, logMA=1.771 |
| Kharchenko et al. (2013) | E(B-V)=0.479, d=1982.0, logt=8.35 |
| Kharchenko et al. (2016) | E(B-V)=0.479, d=1982.0, logt=8.35 |
| Cantat-Gaudin et al. (2018) | dmode=1358.9 |
| Soubiran et al. (2018) | dmode=1358.9 |
| Bossini et al. (2019) | AV=0.931, Dist=10.501, logA=8.566, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.81, DistPc=1346.0, AgeNN=8.64 |
| Dias et al. (2021) | Av=0.608, Dist=1222, logage=8.77, [Fe/H]=0.324 |
| Tarricq et al. (2022) | Dist=1300, logAgeNN=8.69 |
| Just et al. (2023) | logt=8.35, logmt=2.785 |
| Hunt & Reffert (2023) | AV50=0.909, diffAV50=0.716, MOD50=10.677, logAge50=8.34 |
| Cavallo et al. (2024) | AV50=1.73, dMod50=10.26, logAge50=8.25, [Fe/H]50=-0.65 |
| Hunt & Reffert (2024) | MassJ=1351.18, MassTot=1351.18 |
| Almeida et al. (2025) | AV=0.608, Dist=1222, logAge=8.77, MassRk=364.0 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 330 | 87.3 | 269.17 | -35.3 | 0.7 | 1.17 | -2.23 | -20.06 | 0.0 |