Kharchenko 1
(MWSC 747)
Summary
Kharchenko 1 is a poorly populated, very dense object of high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is very well-studied in the literature.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 92.2 | 24.332 | – | 0.48 | -4.0 | 12.74 |
| Kharchenko et al. (2012) | 92.187 | 24.317 | – | 1.31 | -3.66 | – |
| Loktin & Popova (2017) | 92.19 | 24.317 | – | 0.483 | -0.866 | 12.7 |
| Cantat-Gaudin et al. (2018) | 92.197 | 24.281 | 0.42 | 0.767 | -2.286 | – |
| Bica et al. (2019) | 92.199 | 24.333 | – | – | – | – |
| Soubiran et al. (2018) | 92.197 | 24.281 | – | – | – | 41.41 |
| Cantat-Gaudin et al. (2020) | 92.197 | 24.281 | 0.42 | 0.767 | -2.286 | – |
| Dias et al. (2021) | 92.194 | 24.281 | 0.417 | 0.769 | -2.311 | 41.53 |
| Hunt & Reffert (2023) | 92.198 | 24.286 | 0.374 | 0.742 | -2.324 | 40.374 |
| Cavallo et al. (2024) | 92.206 | 24.267 | 0.376 | – | – | – |
| Hunt & Reffert (2024) | 92.198 | 24.286 | 0.374 | 0.742 | -2.324 | 40.374 |
| Almeida et al. (2025) | 92.194 | 24.281 | – | – | – | – |
| Hu & Soubiran (2025) | 92.206 | 24.267 | – | – | – | – |
| UCC | 92.193 | 24.283 | 0.386 | 0.751 | -2.296 | 40.362 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.3, Dist=2520.0, Age=8.0 |
| Kharchenko et al. (2012) | e_bv=0.729, distance=2839, log_age=8.35 |
| Loktin & Popova (2017) | E(B-V)=0.165, Dist=1398, logt=8.18 |
| Cantat-Gaudin et al. (2018) | dmode=2228.5 |
| Soubiran et al. (2018) | dmode=2228.5 |
| Cantat-Gaudin et al. (2020) | AVNN=0.93, DistPc=2382.0, AgeNN=8.85 |
| Dias et al. (2021) | Av=1.417, Dist=2299, logage=8.756, [Fe/H]=-0.14 |
| Hunt & Reffert (2023) | AV50=0.999, diffAV50=0.364, MOD50=11.896, logAge50=8.803 |
| Cavallo et al. (2024) | AV50=1.09, dMod50=11.85, logAge50=8.83, [Fe/H]50=0.42 |
| Hunt & Reffert (2024) | MassJ=335.843, MassTot=335.843 |
| Almeida et al. (2025) | AV=1.417, Dist=2299, logAge=8.756, MassRk=188.2 |
| Hu & Soubiran (2025) | MA22=-0.19, MA23f=-0.21, MZ23=-0.11, MK24=-0.13, MF24=-0.12 |
Search coordinates in Bayestar19