NGC 133
Summary
NGC 133 is a moderately populated, very dense object of very high C3 quality. It is located at a moderate distance from the Sun, above the mid-plane. It is well-studied in the literature.
This object shares a large percentage of members with a later reported entry.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 7.829 | 63.35 | – | -0.7 | -0.4 | – |
| Kharchenko et al. (2012) | 7.819 | 63.345 | – | -1.92 | -1.17 | – |
| Loktin & Popova (2017) | 7.83 | 63.35 | – | -3.456 | -2.2 | – |
| Dias et al. (2021) | 7.832 | 63.358 | 0.223 | -2.324 | -0.41 | -86.916 |
| Jaehnig et al. (2021) | 7.828 | 63.372 | 0.28 | -2.55 | -0.434 | – |
| Hunt & Reffert (2023) | 7.801 | 63.386 | 0.222 | -2.423 | -0.5 | -86.441 |
| Cavallo et al. (2024) | 7.798 | 63.387 | 0.224 | – | – | – |
| Hunt & Reffert (2024) | 7.801 | 63.386 | 0.222 | -2.423 | -0.5 | -86.441 |
| Almeida et al. (2025) | 7.832 | 63.358 | – | – | – | – |
| UCC | 7.816 | 63.386 | 0.224 | -2.398 | -0.489 | -86.699 |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.6, Dist=630.0, Age=7.0 |
| Kharchenko et al. (2012) | e_bv=0.625, distance=1861, log_age=7.3 |
| Loktin & Popova (2017) | E(B-V)=0.632, Dist=1528, logt=7.717 |
| Dias et al. (2021) | Av=2.31, Dist=3308, logage=8.201, [Fe/H]=-0.133 |
| Jaehnig et al. (2021) | dmode=3.574 |
| Hunt & Reffert (2023) | AV50=2.291, diffAV50=0.546, MOD50=13.051, logAge50=8.202 |
| Cavallo et al. (2024) | AV50=2.32, dMod50=12.75, logAge50=8.46, [Fe/H]50=0.01 |
| Hunt & Reffert (2024) | MassJ=820.933, MassTot=820.933 |
| Almeida et al. (2025) | AV=2.31, Dist=3308, logAge=8.201, MassRk=1088.0 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| UBC 185 | 98.1 | 7.81 | 63.39 | 0.22 | -2.42 | -0.49 | -86.7 | 0.12 |