Trumpler 23
(Collinder 295; VDBH 180; OCL 950; vdBergh-Hagen 180; ESO 178 06; MWSC 2343)
Summary
Trumpler 23 is a very 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 well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 240.204 | -53.536 | – | -2.42 | -4.31 | – |
| Kharchenko et al. (2012) | 240.218 | -53.533 | – | -5.67 | -4.96 | – |
| Cantat-Gaudin et al. (2018) | 240.218 | -53.539 | 0.352 | -4.178 | -4.746 | – |
| Bica et al. (2019) | 240.196 | -53.532 | – | – | – | – |
| Soubiran et al. (2018) | 240.218 | -53.539 | – | – | – | -61.43 |
| Cantat-Gaudin et al. (2020) | 240.218 | -53.539 | 0.352 | -4.178 | -4.746 | – |
| Dias et al. (2021) | 240.214 | -53.544 | 0.349 | -4.162 | -4.748 | -63.27 |
| Hunt & Reffert (2023) | 240.214 | -53.537 | 0.367 | -4.21 | -4.758 | -48.477 |
| Cavallo et al. (2024) | 240.222 | -53.54 | 0.367 | – | – | – |
| Hunt & Reffert (2024) | 240.214 | -53.537 | 0.367 | -4.21 | -4.758 | -48.477 |
| Almeida et al. (2025) | 240.214 | -53.544 | – | – | – | – |
| Hu & Soubiran (2025) | 240.222 | -53.54 | – | – | – | – |
| UCC | 240.218 | -53.538 | 0.363 | -4.208 | -4.758 | -60.974 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.58, Dist=1900.0, Age=8.95 |
| Kharchenko et al. (2012) | e_bv=0.604, distance=2194, log_age=8.96 |
| Cantat-Gaudin et al. (2018) | dmode=2627.0 |
| Soubiran et al. (2018) | dmode=2627.0 |
| Cantat-Gaudin et al. (2020) | AVNN=2.18, DistPc=2590.0, AgeNN=8.85 |
| Dias et al. (2021) | Av=2.729, Dist=2228, logage=8.466, [Fe/H]=0.127 |
| Hunt & Reffert (2023) | AV50=2.838, diffAV50=1.536, MOD50=11.969, logAge50=8.521 |
| Cavallo et al. (2024) | AV50=2.83, dMod50=11.34, logAge50=8.94, [Fe/H]50=-0.26 |
| Hunt & Reffert (2024) | MassJ=6307.31, MassTot=6307.31 |
| Almeida et al. (2025) | AV=2.729, Dist=2228, logAge=8.466, MassRk=3217.8 |
| Hu & Soubiran (2025) | MA22=-0.17, MA23f=-0.15, MA23g=0.18, MZ23=0.1, MK24=-0.11, MF24=-0.21 |
Search coordinates in Bayestar19