| A | B | C | |
| B | pa=153.5° sep=4.45" | ||
| C | pa=262.9° sep=10.14" | pa=282.7° sep=12.35" | |
| D | pa=298.1° sep=19.23" | pa=304.5° sep=23.00" | pa=326.2° sep=12.41" |
| Name | HD 157128 | Coord arcsec 2000 | 172317.64-394607.6 | Mag | 10.1 | Spectral class | B9III/IV (blue-white) | ||||
| PmRA | -4.00 | PmDE | 1.0 | Tycho2 | 7887-02155-1 | HD | 157128 |
| Tycho2 | 7887-02155-1 | Pflag | RAmdeg | 260.82350378 | DEmdeg | -39.76877806 | |||||
| PmRA | -4.5 | PmDE | 0.3 | E RAmdeg | 22 | E DEmdeg | 33 | ||||
| E pmRA | 2.1 | E pmDE | 2.0 | EpRAm | 1990.53 | EpDEm | 1988.31 | ||||
| Num | 3 | Q RAmdeg | 0.5 | Q DEmdeg | 0.4 | Q pmRA | 0.4 | ||||
| Q pmDE | 0.3 | BTmag | 10.592 | E BTmag | 0.045 | VTmag | 10.140 | ||||
| E VTmag | 0.042 | Prox | 999 | TYC | T | HIP | |||||
| CCDM | RAdeg | 260.82351722 | DEdeg | -39.76877889 | EpRA 1990 | 1.79 | |||||
| EpDE 1990 | 1.64 | E RAdeg | 22.3 | E DEdeg | 33.5 | Posflg | D | ||||
| Corr | -0.1 |
| Coord arcsec 2000 | 172317.81-394611.6 | Mag | 10.2 | PmRA | 42.00 | PmDE | -65.0 | ||||
| Calc delta mag | 0.1 | Calc coord | yes |
| Coord arcsec 2000 | 172316.77-394608.9 | Mag | 15.5 | PmRA | -55.00 | PmDE | -12.0 | ||||
| Calc delta mag | 5.4 | Calc coord | yes |
| Coord arcsec 2000 | 172316.17-394558.5 | Mag | 14.5 | PmRA | -11.00 | PmDE | 6.0 | ||||
| Calc delta mag | 4.4 | Calc coord | yes |