Trumpler 1
(Collinder 15; MWSC 127; OCL 328; FSR 0552)
Summary
Trumpler 1 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 |
|---|---|---|---|---|---|---|
| Dambis (1999) | 23.925 | 61.283 | – | – | – | – |
| Dias et al. (2002) | 23.925 | 61.283 | – | -3.31 | -1.02 | -65.0 |
| Kharchenko et al. (2007) | 23.92 | 61.28 | – | 0.03 | – | – |
| Kharchenko et al. (2012) | 23.91 | 61.275 | – | 0.67 | -2.16 | -65.0 |
| Kharchenko et al. (2013) | 23.91 | 61.275 | – | 0.67 | -2.16 | -65.0 |
| Kharchenko et al. (2016) | 23.899 | 61.272 | – | – | – | – |
| Loktin & Popova (2017) | 23.925 | 61.284 | – | -0.5 | -0.812 | -65.0 |
| Cantat-Gaudin et al. (2018) | 23.915 | 61.283 | 0.348 | -1.598 | -0.541 | – |
| Bica et al. (2019) | 23.9 | 61.298 | – | – | – | – |
| Bossini et al. (2019) | 23.915 | 61.283 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 23.915 | 61.283 | 0.348 | -1.598 | -0.541 | – |
| Dias et al. (2021) | 23.923 | 61.285 | 0.347 | -1.609 | -0.539 | – |
| Rain et al. (2021) | 23.915 | 61.283 | 0.348 | -1.598 | -0.541 | – |
| Jaehnig et al. (2021) | 23.913 | 61.287 | 0.388 | -1.612 | -0.525 | – |
| Just et al. (2023) | 23.899 | 61.272 | – | – | – | – |
| Hunt & Reffert (2023) | 23.916 | 61.284 | 0.355 | -1.645 | -0.584 | – |
| Cavallo et al. (2024) | 23.856 | 61.282 | 0.355 | – | – | – |
| Celli et al. (2024) | 23.915 | 61.283 | – | – | – | – |
| Hunt & Reffert (2024) | 23.916 | 61.284 | 0.355 | -1.645 | -0.584 | – |
| Almeida et al. (2025) | 23.923 | 61.285 | – | – | – | – |
| UCC | 23.909 | 61.286 | 0.354 | -1.635 | -0.576 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dambis (1999) | E_B-V_=0.528, DM0=12.15, log_age_=7.4 |
| Dias et al. (2002) | E(B-V)=0.68, Dist=2469.0, Age=7.3 |
| Kharchenko et al. (2012) | E(B-V)=0.583, d=2399.0, logt=7.1 |
| Kharchenko et al. (2013) | E(B-V)=0.583, d=2399.0, logt=7.1 |
| Kharchenko et al. (2016) | E(B-V)=0.583, d=2399.0, logt=7.1 |
| Loktin & Popova (2017) | E(B-V)=0.579, Dist=2582, logt=7.479 |
| Cantat-Gaudin et al. (2018) | dmode=2648.8 |
| Bossini et al. (2019) | AV=1.785, Dist=12.595, logA=7.513, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=1.63, DistPc=2773.0, AgeNN=7.46 |
| Dias et al. (2021) | Av=1.839, Dist=2425, logage=7.34, [Fe/H]=-0.012 |
| Rain et al. (2021) | E(B-V)=0.68, Dist=2648.8, log(Age)=7.3, NBSS=0 |
| Jaehnig et al. (2021) | dmode=2.582 |
| Just et al. (2023) | logt=7.1, logmt=1.385 |
| Hunt & Reffert (2023) | AV50=1.629, diffAV50=1.035, MOD50=12.097, logAge50=7.452 |
| Cavallo et al. (2024) | AV50=1.62, dMod50=12.5, logAge50=7.6, [Fe/H]50=0.72 |
| Celli et al. (2024) | Age=28.8, Mc=572.4 |
| Hunt & Reffert (2024) | MassJ=897.417, MassTot=900.361 |
| Almeida et al. (2025) | AV=1.839, Dist=2425, logAge=7.34, MassRk=344.9 |
Search coordinates in Bayestar19