Ruprecht 23
(FSR 1286; OCL 632; ESO 492 17; MWSC 1248; FoF 90)
Summary
Ruprecht 23 is a rich, very dense object of high C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is very well-studied in the literature.
This object shares a very small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 112.662 | -23.393 | – | -2.75 | 2.68 | – |
| Froebrich et al. (2007) | 112.667 | -23.394 | – | – | – | – |
| Kharchenko et al. (2012) | 112.65 | -23.383 | – | -1.89 | 3.53 | – |
| Loktin & Popova (2017) | 112.65 | -23.395 | – | -2.537 | 2.82 | – |
| Cantat-Gaudin et al. (2018) | 112.665 | -23.383 | 0.341 | -2.078 | 1.56 | – |
| Bica et al. (2019) | 112.671 | -23.375 | – | – | – | – |
| Soubiran et al. (2018) | 112.665 | -23.383 | – | – | – | 56.31 |
| Liu & Pang (2019) | 112.65 | -23.378 | 0.349 | -2.032 | 1.549 | – |
| Cantat-Gaudin et al. (2020) | 112.665 | -23.383 | 0.341 | -2.078 | 1.56 | – |
| Dias et al. (2021) | 112.669 | -23.387 | 0.34 | -2.081 | 1.553 | 54.405 |
| Hunt & Reffert (2023) | 112.658 | -23.38 | 0.344 | -2.058 | 1.624 | 55.244 |
| Cavallo et al. (2024) | 112.654 | -23.368 | 0.346 | – | – | – |
| Hunt & Reffert (2024) | 112.658 | -23.38 | 0.344 | -2.058 | 1.624 | 55.244 |
| Almeida et al. (2025) | 112.669 | -23.387 | – | – | – | – |
| UCC | 112.663 | -23.375 | 0.342 | -2.065 | 1.61 | 59.894 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.54, Dist=3060.0, Age=8.78 |
| Kharchenko et al. (2012) | e_bv=0.625, distance=3021, log_age=8.78 |
| Loktin & Popova (2017) | E(B-V)=0.415, Dist=2850, logt=9.21 |
| Cantat-Gaudin et al. (2018) | dmode=2702.3 |
| Soubiran et al. (2018) | dmode=2702.3 |
| Liu & Pang (2019) | Age=0.851, Z=-1.0 |
| Cantat-Gaudin et al. (2020) | AVNN=1.49, DistPc=2724.0, AgeNN=8.61 |
| Dias et al. (2021) | Av=1.175, Dist=1887, logage=8.955, [Fe/H]=0.245 |
| Hunt & Reffert (2023) | AV50=1.749, diffAV50=1.483, MOD50=12.087, logAge50=8.68 |
| Cavallo et al. (2024) | AV50=2.1, dMod50=12.02, logAge50=8.68, [Fe/H]50=-0.09 |
| Hunt & Reffert (2024) | MassJ=891.883, MassTot=891.883 |
| Almeida et al. (2025) | AV=1.175, Dist=1887, logAge=8.955, MassRk=538.1 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| CWNU 1592 | 1.2 | 112.67 | -23.15 | 0.32 | -1.76 | 1.72 | – | 0.4 |