Ruprecht 75
(VDBH 65; OCL 786; vdBergh-Hagen 65; ESO 166 08; FSR 1499; MWSC 1657; FoF 42)
Summary
Ruprecht 75 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 small percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 140.479 | -56.317 | – | -9.65 | 5.46 | – |
| Kharchenko et al. (2012) | 140.48 | -56.317 | – | -9.65 | 5.46 | – |
| Cantat-Gaudin et al. (2018) | 140.486 | -56.314 | 0.202 | -6.118 | 4.995 | – |
| Bica et al. (2019) | 140.484 | -56.303 | – | – | – | – |
| Soubiran et al. (2018) | 140.486 | -56.314 | – | – | – | -2.18 |
| Liu & Pang (2019) | 140.503 | -56.331 | 0.237 | -5.964 | 4.921 | – |
| Cantat-Gaudin et al. (2020) | 140.486 | -56.314 | 0.202 | -6.118 | 4.995 | – |
| Dias et al. (2021) | 140.487 | -56.317 | 0.201 | -6.122 | 4.966 | -2.056 |
| Rain et al. (2021) | 140.486 | -56.314 | 0.202 | -6.118 | 4.995 | – |
| Jaehnig et al. (2021) | 140.486 | -56.319 | 0.234 | -6.097 | 4.993 | – |
| Hunt & Reffert (2023) | 140.482 | -56.313 | 0.216 | -6.055 | 5.027 | 0.585 |
| Cavallo et al. (2024) | 140.478 | -56.325 | 0.22 | – | – | – |
| Hunt & Reffert (2024) | 140.482 | -56.313 | 0.216 | -6.055 | 5.027 | 0.585 |
| Almeida et al. (2025) | 140.487 | -56.317 | – | – | – | – |
| Hu & Soubiran (2025) | 140.478 | -56.325 | – | – | – | – |
| UCC | 140.486 | -56.319 | 0.219 | -6.091 | 5.032 | -3.805 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.24, Dist=4300.0, Age=9.15 |
| Kharchenko et al. (2012) | e_bv=0.25, distance=4405, log_age=9.09 |
| Cantat-Gaudin et al. (2018) | dmode=4335.3 |
| Soubiran et al. (2018) | dmode=4335.3 |
| Liu & Pang (2019) | Age=1.07, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=0.39, DistPc=3938.0, AgeNN=9.23 |
| Dias et al. (2021) | Av=1.195, Dist=3702, logage=9.151, [Fe/H]=-0.165 |
| Rain et al. (2021) | E(B-V)=0.24, Dist=4335.3, log(Age)=9.15, NBSS=1 |
| Jaehnig et al. (2021) | dmode=4.264 |
| Hunt & Reffert (2023) | AV50=1.246, diffAV50=1.085, MOD50=12.995, logAge50=8.897 |
| Cavallo et al. (2024) | AV50=1.12, dMod50=12.22, logAge50=9.32, [Fe/H]50=-0.22 |
| Hunt & Reffert (2024) | MassJ=1686.02, MassTot=1769.63 |
| Almeida et al. (2025) | AV=1.195, Dist=3702, logAge=9.151, MassRk=203.1 |
| Hu & Soubiran (2025) | MA22=-0.24, MA23f=-0.32, MA23g=-0.18, MZ23=-0.28, MK24=-0.35, MF24=-0.19 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| OC 0519 | 13.9 | 140.48 | -56.32 | 0.22 | -6.09 | 5.03 | -3.24 | 0.0 |
