NGC 381
(FoF 2128)
Summary
NGC 381 is a rich, very dense object of high C3 quality. It is located at a relatively 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) | 17.079 | 61.583 | – | -0.22 | 0.11 | -29.76 |
| Chen et al. (2003) | 17.061 | 61.587 | – | – | – | – |
| Piskunov et al. (2008) | 17.083 | 61.596 | – | – | – | – |
| Kharchenko et al. (2012) | 17.108 | 61.579 | – | 0.22 | -2.07 | – |
| Loktin & Popova (2017) | 17.085 | 61.583 | – | -1.213 | -1.246 | -22.0 |
| Cantat-Gaudin et al. (2018) | 17.094 | 61.586 | 0.847 | 1.602 | -2.263 | – |
| Bossini et al. (2019) | 17.094 | 61.586 | – | – | – | – |
| Liu & Pang (2019) | 17.085 | 61.597 | 0.854 | 1.599 | -2.254 | – |
| Cantat-Gaudin et al. (2020) | 17.094 | 61.586 | 0.847 | 1.602 | -2.263 | – |
| Dias et al. (2021) | 17.089 | 61.594 | 0.845 | 1.6 | -2.257 | – |
| Rain et al. (2021) | 17.094 | 61.586 | 0.847 | 1.602 | -2.263 | – |
| Jaehnig et al. (2021) | 17.101 | 61.586 | 0.878 | 1.609 | -2.261 | – |
| Tarricq et al. (2022) | 17.109 | 61.578 | 0.859 | 1.6 | -2.347 | – |
| He et al. (2022) | 17.09 | 61.586 | 0.855 | 1.599 | -2.33 | – |
| Hunt & Reffert (2023) | 17.104 | 61.584 | 0.856 | 1.6 | -2.318 | -21.94 |
| Cavallo et al. (2024) | 17.099 | 61.588 | 0.853 | – | – | – |
| Hunt & Reffert (2024) | 17.104 | 61.584 | 0.856 | 1.6 | -2.318 | -21.94 |
| Almeida et al. (2025) | 17.089 | 61.594 | – | – | – | – |
| Hu & Soubiran (2025) | 17.099 | 61.588 | – | – | – | – |
| UCC | 17.095 | 61.585 | 0.852 | 1.588 | -2.301 | -24.323 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.4, Dist=1148.0, Age=8.505, [Fe/H]=0.07 |
| Chen et al. (2003) | E(B-V)=0.4, HDis=1148, Age=0.32, [Fe/H]_1=0.07 |
| Piskunov et al. (2008) | E(B-V)=0.34, Dist=1058, logt=8.77, logMA=1.515 |
| Kharchenko et al. (2012) | e_bv=0.339, distance=1200, log_age=8.85, metallicity=0.07 |
| Loktin & Popova (2017) | E(B-V)=0.338, Dist=1092, logt=8.559 |
| Cantat-Gaudin et al. (2018) | dmode=1141.4 |
| Bossini et al. (2019) | AV=1.043, Dist=10.525, logA=8.699, Fe/H=0.07 |
| Liu & Pang (2019) | Age=0.363, Z=0.25 |
| Cantat-Gaudin et al. (2020) | AVNN=0.93, DistPc=1172.0, AgeNN=8.58 |
| Dias et al. (2021) | Av=1.375, Dist=1104, logage=8.63, [Fe/H]=0.105 |
| Rain et al. (2021) | E(B-V)=0.4, Dist=1141.4, log(Age)=8.5, NBSS=0 |
| Jaehnig et al. (2021) | dmode=1.136 |
| Tarricq et al. (2022) | Dist=1139, logAgeNN=8.63 |
| He et al. (2022) | A0=1.5, logAge=8.4 |
| Hunt & Reffert (2023) | AV50=1.232, diffAV50=0.798, MOD50=10.232, logAge50=8.375 |
| Cavallo et al. (2024) | AV50=1.19, dMod50=10.35, logAge50=8.75, [Fe/H]50=0.36 |
| Hunt & Reffert (2024) | MassJ=807.564, MassTot=807.564 |
| Almeida et al. (2025) | AV=1.375, Dist=1104, logAge=8.63, MassRk=454.8 |
| Hu & Soubiran (2025) | MA22=-0.09, MA23f=-0.17, MZ23=-0.11, MK24=-0.08, MF24=-0.14 |
Search coordinates in Bayestar19