| Basic information | |
| Right Ascension (2000) | 21 43 57 |
| Declination (2000) | +53 42 54 |
| Distance [ps] | 2307 |
| Log Age | 7.254 |
The total number of the variable stars in NGC 7128 observed in Białków: 8
The VIC photometry and the data shown below concern variable stars in clauster NGC 7128 derived from paper:
M. Jerzykiewicz, A. Pigulski, G. Kopacki, A. Miałkowska and S. Niczyporuk, AcA, 1996, 46, pp. 253-277.
| Star | Period [d] |
Range in V [mag] |
V [mag] |
V-IC [mag] |
Type of variability |
| NGC 7128-4 = V1814 Cyg |
--- | 0.32 | 11.53 | 1.10 | Irregular |
| NGC 7128-5 = V1481 Cyg |
2.7632647 | 0.45 | 12.27 | 1.10 | EB-type eclipsing binary |
| NGC 7128-9 | 7.0 | 0.39 | 13.35 | 1.13 | EA-type eclipsing binary |
| NGC 7128-27 | --- | 0.06 | 10.93 | 3.07 | Irregular? |
| NGC 7128-29 | 1.8328 | 0.64 | 12.36 | 1.04 | EB-type eclipsing binary |
| NGC 7128-39 | 0.831 or 1d-1 alias | 0.03 | 14.74 | 1.44 | Unknown |
| NGC 7128-51 | 3.338 | 0.11 | 15.24 | 1.16 | α2 CVn-type star? |
| NGC 7128-170 | 0.895 or 8.47 | 0.15 | 17.69 | 1.55 | Unknown |