Ruprecht 98
(VDBH 125; OCL 868; vdBergh-Hagen 125; ESO 094 09; MWSC 1988; OCSN 260)
Summary
Ruprecht 98 is a rich, very dense object of high C3 quality. It is located at a very close distance from the Sun, near the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 179.667 | -64.583 | – | -7.25 | -7.1 | -7.6 |
| Piskunov et al. (2007) | 179.658 | -64.573 | – | – | – | – |
| Piskunov et al. (2008) | 179.658 | -64.573 | – | – | – | – |
| Kharchenko et al. (2012) | 179.715 | -64.588 | – | -5.43 | -9.02 | – |
| Loktin & Popova (2017) | 179.67 | -64.583 | – | -10.352 | -3.691 | -7.6 |
| Cantat-Gaudin et al. (2018) | 179.715 | -64.581 | 2.044 | -4.114 | -8.632 | – |
| Bica et al. (2019) | 179.68 | -64.575 | – | – | – | – |
| Soubiran et al. (2018) | 179.715 | -64.581 | – | – | – | -5.09 |
| Bossini et al. (2019) | 179.715 | -64.581 | – | – | – | – |
| Cantat-Gaudin et al. (2020) | 179.715 | -64.581 | 2.044 | -4.114 | -8.632 | – |
| Dias et al. (2021) | 179.842 | -64.505 | 2.057 | -4.094 | -8.645 | -4.3 |
| Rain et al. (2021) | 179.715 | -64.581 | 2.044 | -4.114 | -8.632 | – |
| Jaehnig et al. (2021) | 179.681 | -64.609 | 2.068 | -4.209 | -8.724 | – |
| Tarricq et al. (2022) | 179.639 | -64.598 | 2.105 | -4.108 | -8.64 | – |
| He et al. (2022) | 179.892 | -64.6 | 2.103 | -4.116 | -8.648 | – |
| Qin et al. (2023) | 179.77 | -64.6 | 2.11 | -4.0 | -8.66 | -5.75 |
| Hunt & Reffert (2023) | 179.711 | -64.613 | 2.078 | -4.304 | -8.476 | -7.599 |
| Cavallo et al. (2024) | 179.068 | -64.413 | 2.081 | – | – | – |
| Hunt & Reffert (2024) | 179.711 | -64.613 | 2.078 | -4.304 | -8.476 | -7.599 |
| Alfonso et al. (2024) | 179.564 | -64.451 | 2.054 | -4.251 | -8.52 | – |
| Almeida et al. (2025) | 179.842 | -64.505 | – | – | – | – |
| UCC | 179.715 | -64.603 | 2.098 | -4.138 | -8.61 | -5.702 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.162, Dist=494.0, Age=8.508 |
| Piskunov et al. (2007) | E(B-V)=0.16, Dist=610, logt=8.78, logM=1.922 |
| Piskunov et al. (2008) | E(B-V)=0.16, Dist=610, logt=8.78, logM=2.287, logMA=2.418 |
| Kharchenko et al. (2012) | e_bv=0.16, distance=610, log_age=8.8 |
| Loktin & Popova (2017) | E(B-V)=0.165, Dist=636, logt=8.496 |
| Cantat-Gaudin et al. (2018) | dmode=482.3 |
| Soubiran et al. (2018) | dmode=482.3 |
| Bossini et al. (2019) | AV=0.5, Dist=8.339, logA=8.756, Fe/H=0.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.36, DistPc=506.0, AgeNN=8.69 |
| Dias et al. (2021) | Av=0.698, Dist=482, logage=8.669, [Fe/H]=-0.049 |
| Rain et al. (2021) | E(B-V)=0.16, Dist=482.3, log(Age)=8.5, NBSS=0 |
| Jaehnig et al. (2021) | dmode=0.482 |
| Tarricq et al. (2022) | Dist=501, logAgeNN=8.7 |
| He et al. (2022) | A0=0.85, logAge=8.55 |
| Qin et al. (2023) | E(B-V)=0.17, m-M=8.79, logt=8.85 |
| Hunt & Reffert (2023) | AV50=0.555, diffAV50=1.398, MOD50=8.271, logAge50=8.387 |
| Cavallo et al. (2024) | AV50=0.82, dMod50=8.34, logAge50=8.52, [Fe/H]50=0.09 |
| Hunt & Reffert (2024) | MassJ=118.293, MassTot=273.705 |
| Alfonso et al. (2024) | AV=0.36023, MOD=8.51943, logAge=8.92198, Z=-0.0484 |
| Almeida et al. (2025) | AV=0.698, Dist=482, logAge=8.669, MassRk=161.1 |
Search coordinates in Bayestar19