RSG1
(Alessi 96; OCSN 255)
Summary
RSG1 is a rich, very dense object of very 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 |
|---|---|---|---|---|---|---|
| Roser et al. (2016) | 75.57 | 37.56 | – | 0.2 | -12.32 | – |
| Cantat-Gaudin et al. (2018) | 75.508 | 37.475 | 3.001 | 0.77 | -12.33 | – |
| Bica et al. (2019) | 75.569 | 37.558 | – | – | – | – |
| Soubiran et al. (2018) | 75.508 | 37.475 | – | – | – | 14.69 |
| Cantat-Gaudin et al. (2020) | 75.508 | 37.475 | 3.001 | 0.77 | -12.33 | – |
| Dias et al. (2021) | 75.525 | 37.481 | 3.002 | 0.768 | -12.368 | 13.406 |
| Tarricq et al. (2022) | 75.529 | 37.481 | 3.037 | 0.703 | -12.419 | – |
| He et al. (2022) | 75.511 | 37.508 | 3.035 | 0.703 | -12.423 | – |
| Qin et al. (2023) | 75.55 | 37.52 | 3.04 | 0.74 | -12.42 | 14.28 |
| Hunt & Reffert (2023) | 75.485 | 37.488 | 3.053 | 0.971 | -12.561 | 11.589 |
| Cavallo et al. (2024) | 74.195 | 38.441 | 3.065 | – | – | – |
| Hunt & Reffert (2024) | 75.485 | 37.488 | 3.053 | 0.971 | -12.561 | 11.589 |
| Alfonso et al. (2024) | 75.483 | 37.525 | 2.997 | 0.75 | -12.411 | – |
| Almeida et al. (2025) | 75.525 | 37.481 | – | – | – | – |
| UCC | 75.554 | 37.481 | 3.027 | 0.688 | -12.384 | 13.507 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Roser et al. (2016) | E(B-V)=0.24, Dist=324, logt=8.1 |
| Cantat-Gaudin et al. (2018) | dmode=330.0 |
| Soubiran et al. (2018) | dmode=330.0 |
| Cantat-Gaudin et al. (2020) | AVNN=0.53, DistPc=347.0, AgeNN=8.09 |
| Dias et al. (2021) | Av=0.591, Dist=328, logage=8.482, [Fe/H]=0.063 |
| Tarricq et al. (2022) | Dist=341, logAgeNN=8.08 |
| He et al. (2022) | A0=0.9, logAge=8.05 |
| Qin et al. (2023) | E(B-V)=0.25, m-M=8.27, logt=7.9 |
| Hunt & Reffert (2023) | AV50=0.362, diffAV50=1.138, MOD50=7.494, logAge50=8.316 |
| Cavallo et al. (2024) | AV50=1.02, dMod50=7.61, logAge50=7.89, [Fe/H]50=0.01 |
| Hunt & Reffert (2024) | MassJ=192.558, MassTot=303.125 |
| Alfonso et al. (2024) | AV=0.52963, MOD=7.70975, logAge=8.08689, Z=0.06315 |
| Almeida et al. (2025) | AV=0.591, Dist=328, logAge=8.482, MassRk=144.4 |
Search coordinates in Bayestar19