Ruprecht 31
(ESO 368 09; OCL 711; MWSC 1317)
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UTI:
UCC Trust Index
Ruprecht 31 is a relatively close, poorly populated, very loose object of high C3 quality. It is moderately studied in the literature. This object shares a large percentage of members with a later reported entry. |
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| C3 | N_50 |
r_50 |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BA | 26 | 39.7 | ||||||||||||
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| 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 |
|---|---|
| Kharchenko et al. (2012) | e_bv=0.104, distance=541, log_age=8.65 |
| Loktin & Popova (2017) | E(B-V)=0.391, Dmod=12.17, 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
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 |