Trumpler 31
(MWSC 2769)
Summary
Trumpler 31 is a moderately populated, moderately dense object of low C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is poorly studied in the literature, with no articles listed in the last 9 years.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 269.954 | -28.167 | – | -1.21 | -4.59 | – |
| Kharchenko et al. (2003) | 269.91 | -28.18 | – | -1.22 | -2.09 | – |
| Kharchenko et al. (2013) | 269.932 | -28.207 | – | -2.77 | -4.03 | – |
| Kharchenko et al. (2016) | 269.923 | -28.208 | – | – | – | – |
| UCC | 269.949 | -28.235 | 0.307 | -7.446 | -6.052 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.35, Dist=986.0, Age=8.87 |
| Kharchenko et al. (2003) | E(B-V)=0.2, Dist=1000 |
| Kharchenko et al. (2013) | E(B-V)=0.479, d=830.0, logt=8.635 |
| Kharchenko et al. (2016) | E(B-V)=0.479, d=830.0, logt=8.635 |
Search coordinates in Bayestar19