Roslund 2
(FoF 1275)
Summary
Roslund 2 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 very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 296.35 | 23.917 | – | -1.13 | -4.1 | 1.0 |
| Piskunov et al. (2008) | 296.346 | 23.915 | – | – | – | – |
| Kharchenko et al. (2012) | 296.317 | 23.9 | – | -3.3 | -4.34 | – |
| Loktin & Popova (2017) | 296.28 | 23.9 | – | -2.619 | -5.081 | -5.0 |
| Cantat-Gaudin et al. (2018) | 296.261 | 23.977 | 0.463 | -1.741 | -5.115 | – |
| Soubiran et al. (2018) | 296.261 | 23.977 | – | – | – | 126.71 |
| Dias et al. (2019) | 296.35 | 23.917 | 0.458 | -1.789 | -5.094 | 107.34 |
| Liu & Pang (2019) | 296.248 | 23.936 | 0.465 | -1.734 | -5.113 | – |
| Cantat-Gaudin et al. (2020) | 296.261 | 23.977 | 0.463 | -1.741 | -5.115 | – |
| Dias et al. (2021) | 296.269 | 23.965 | 0.464 | -1.738 | -5.116 | – |
| Hunt & Reffert (2023) | 296.274 | 23.974 | 0.476 | -1.754 | -5.148 | 28.832 |
| Cavallo et al. (2024) | 296.26 | 23.952 | 0.475 | – | – | – |
| Celli et al. (2024) | 296.261 | 23.977 | – | – | – | – |
| Hunt & Reffert (2024) | 296.274 | 23.974 | 0.476 | -1.754 | -5.148 | 28.832 |
| Almeida et al. (2025) | 296.269 | 23.965 | – | – | – | – |
| UCC | 296.277 | 23.976 | 0.47 | -1.732 | -5.135 | 15.447 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.9, Dist=2000.0, Age=6.89 |
| Piskunov et al. (2008) | E(B-V)=0.9, Dist=2000, logt=6.89, logMA=3.949 |
| Kharchenko et al. (2012) | e_bv=0.899, distance=1668, log_age=6.78 |
| Loktin & Popova (2017) | E(B-V)=0.555, Dist=1941, logt=8.75 |
| Cantat-Gaudin et al. (2018) | dmode=2031.8 |
| Soubiran et al. (2018) | dmode=2031.8 |
| Dias et al. (2019) | E(B-V)=0.89, Dist=1371, logAge=7.1, Z=0.002 |
| Liu & Pang (2019) | Age=0.008, Z=0.5 |
| Cantat-Gaudin et al. (2020) | AVNN=2.74, DistPc=2091.0, AgeNN=7.06 |
| Dias et al. (2021) | Av=2.681, Dist=1835, logage=7.08, [Fe/H]=0.185 |
| Hunt & Reffert (2023) | AV50=3.123, diffAV50=2.564, MOD50=11.532, logAge50=6.807 |
| Cavallo et al. (2024) | AV50=2.82, dMod50=11.57, logAge50=6.82, [Fe/H]50=0.18 |
| Celli et al. (2024) | Age=11.5, Mc=730.1 |
| Hunt & Reffert (2024) | MassJ=2202.61, MassTot=2445.12 |
| Almeida et al. (2025) | AV=2.681, Dist=1835, logAge=7.08, MassRk=934.0 |
Search coordinates in Bayestar19