Bochum 7
(MWSC 1550)
Summary
Bochum 7 is a sparse, very loose object of very low C3 quality. It is located at a large distance from the Sun, below the mid-plane. It is moderately studied in the literature.
This object shares a small percentage of members with 2 later reported entries.
Warning: contains less than 25 stars with P>0.5 estimated.
Positions
| Reference | RA | DEC | Plx | pmRA | pmDE | Rv |
|---|---|---|---|---|---|---|
| Dias et al. (2002) | 131.2 | -45.967 | – | -0.05 | 3.34 | 49.0 |
| Kharchenko et al. (2005) | 131.2 | -45.97 | – | -3.74 | 3.93 | – |
| Kharchenko et al. (2007) | 131.2 | -45.97 | – | 0.19 | – | – |
| Piskunov et al. (2008) | 131.199 | -45.969 | – | – | – | – |
| Kharchenko et al. (2013) | 131.19 | -45.98 | – | -3.47 | 4.33 | 49.0 |
| Kharchenko et al. (2016) | 131.185 | -45.977 | – | – | – | – |
| Jaehnig et al. (2021) | 131.092 | -45.974 | 0.185 | -3.087 | 3.647 | – |
| Just et al. (2023) | 131.185 | -45.977 | – | – | – | – |
| UCC | 131.197 | -45.993 | 0.19 | -3.388 | 3.87 | – |
Estimated members
Explore data in Colab
Fundamental parameters
| Reference | Values |
|---|---|
| Dias et al. (2002) | E(B-V)=0.86, Dist=5754.0, Age=7.0 |
| Kharchenko et al. (2005) | E(B-V)=0.86, Dist=5754, logt=7.08 |
| Piskunov et al. (2008) | E(B-V)=0.86, Dist=5754, logt=7.08, logMA=4.929 |
| Kharchenko et al. (2013) | E(B-V)=0.895, d=6059.0, logt=7.5 |
| Kharchenko et al. (2016) | E(B-V)=0.895, d=6059.0, logt=7.5 |
| Jaehnig et al. (2021) | dmode=5.484 |
| Just et al. (2023) | logt=7.5, logmt=3.584 |
Search coordinates in Bayestar19
Cluster region map
Objects with shared members
| Cluster | % | RA | DEC | Plx | pmRA | pmDE | Rv | UTI |
|---|---|---|---|---|---|---|---|---|
| HSC 2140 | 20.0 | 131.18 | -46.15 | 0.21 | -3.31 | 3.93 | – | 0.4 |
| CWNU 3263 | 16.0 | 131.18 | -46.15 | 0.2 | -3.3 | 3.94 | – | 0.08 |