Ruprecht 77
(VDBH 68; OCL 784; vdBergh-Hagen 68; ESO 166 12; MWSC 1670)
Summary
Ruprecht 77 is a moderately populated, very dense object of intermediate C3 quality. It is located at a moderate distance from the Sun, below the mid-plane. It is well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 141.767 | -55.117 | – | 1.12 | -0.89 | – |
| Kharchenko et al. (2012) | 141.795 | -55.123 | – | -4.36 | 2.48 | – |
| Loktin & Popova (2017) | 141.765 | -55.123 | – | -10.819 | 0.743 | – |
| Cantat-Gaudin et al. (2018) | 141.821 | -55.119 | 0.242 | -6.286 | 4.84 | – |
| Bica et al. (2019) | 141.758 | -55.116 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 141.821 | -55.119 | 0.242 | -6.286 | 4.84 | – |
| Hunt & Reffert (2023) | 141.842 | -55.098 | 0.278 | -6.234 | 4.83 | 41.115 |
| Cavallo et al. (2024) | 141.807 | -55.104 | 0.28 | – | – | – |
| Celli et al. (2024) | 141.784 | -55.126 | – | – | – | – |
| Hunt & Reffert (2024) | 141.842 | -55.098 | 0.278 | -6.234 | 4.83 | 41.115 |
| UCC | 141.801 | -55.108 | 0.274 | -6.255 | 4.806 | 41.115 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.622, Dist=4129.0, Age=7.501 |
| Kharchenko et al. (2012) | e_bv=0.687, distance=4089, log_age=7.95 |
| Loktin & Popova (2017) | E(B-V)=0.619, Dist=4138, logt=7.519 |
| Cantat-Gaudin et al. (2018) | dmode=3686.6 |
| Cantat-Gaudin et al. (2020) | AVNN=1.92, DistPc=4108.0, AgeNN=7.09 |
| Hunt & Reffert (2023) | AV50=1.554, diffAV50=1.774, MOD50=12.506, logAge50=8.305 |
| Cavallo et al. (2024) | AV50=1.93, dMod50=13.03, logAge50=7.83, [Fe/H]50=0.8 |
| Celli et al. (2024) | Age=12.3, Mc=192.0 |
| Hunt & Reffert (2024) | MassJ=425.881, MassTot=470.710 |
Search coordinates in Bayestar19