Ruprecht 139
(OCL 20; ESO 521 10; MWSC 2776)
Summary
Ruprecht 139 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, near the mid-plane. It is moderately studied in the literature.This is a unique object, which shares a very small percentage of members with at least one previously reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 270.262 | -23.533 | – | -1.77 | -1.41 | – |
| Piskunov et al. (2008) | 270.248 | -23.526 | – | – | – | – |
| Kharchenko et al. (2012) | 270.248 | -23.535 | – | 0.46 | -3.87 | – |
| Bica et al. (2019) | 270.242 | -23.535 | – | – | – | – |
| Hunt & Reffert (2023) | 270.236 | -23.545 | 0.291 | 0.011 | -1.416 | -31.414 |
| Cavallo et al. (2024) | 270.24 | -23.528 | 0.291 | – | – | – |
| Hunt & Reffert (2024) | 270.236 | -23.545 | 0.291 | 0.011 | -1.416 | -31.414 |
| UCC | 270.229 | -23.526 | 0.318 | -0.009 | -1.413 | 1.346 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.15, Dist=550.0, Age=9.05 |
| Piskunov et al. (2008) | E(B-V)=0.15, Dist=550, logt=9.05, logMA=0.798 |
| Kharchenko et al. (2012) | e_bv=0.104, distance=593, log_age=9.05 |
| Hunt & Reffert (2023) | AV50=4.027, diffAV50=2.68, MOD50=12.473, logAge50=7.037 |
| Cavallo et al. (2024) | AV50=4.22, dMod50=12.47, logAge50=7.04, [Fe/H]50=-0.05 |
| Hunt & Reffert (2024) | MassJ=1069.65, MassTot=1069.65 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| Bochum 14 | 1.5 | 270.5 | -23.7 | 0.31 | 0.25 | -1.12 | 110.24 | 0.79 |
| CWNU 1465 | 0.5 | 270.37 | -23.54 | 0.34 | -0.44 | -1.64 | 22.07 | 0.61 |