Ruprecht 31
(OCL 711; ESO 368 09; MWSC 1317)
Summary
Ruprecht 31 is a poorly populated, very loose object of high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It is moderately 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 |
|---|---|---|---|---|---|---|
| Piskunov et al. (2008) | 115.737 | -35.602 | – | – | – | – |
| Kharchenko et al. (2012) | 115.748 | -35.593 | – | -4.9 | 3.65 | – |
| Loktin & Popova (2017) | 115.74 | -35.597 | – | -11.57 | 7.746 | – |
| Angelo et al. (2019) | 115.75 | -35.6 | – | – | – | – |
| Bica et al. (2019) | 115.741 | -35.588 | – | – | – | – |
| He et al. (2022) | 115.367 | -35.111 | 2.313 | -8.168 | 4.314 | – |
| UCC | 115.71 | -35.304 | 2.3 | -8.254 | 4.267 | 17.399 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Piskunov et al. (2008) | E(B-V)=0.09, Dist=480, logt=8.56, logMA=0.888 |
| Kharchenko et al. (2012) | e_bv=0.104, distance=541, log_age=8.65 |
| Loktin & Popova (2017) | E(B-V)=0.391, Dist=2716, logt=8.66 |
| Angelo et al. (2019) | dsun=2.29, Age=0.79, Mphot=27 |
| He et al. (2022) | A0=0.6, logAge=7.55 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OCSN 84 | 92.3 | 115.03 | -34.48 | 2.3 | -8.25 | 4.28 | 16.39 | 0.22 |