Abstract
Through the photometric observations of NGC7789 with the Schmidt telescopefor four consecutive nights, sixteen variable stars were discovered. It was found that three are Algol (EA) type, seven are W UMa (EW) orβ Lyrae (EB) type and one is δ Scuti type.
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Kim, C., Park, NK. Time-Series Monitoring of Variable Stars in the Field of NGC7789. Astrophysics and Space Science 268, 387–396 (1999). https://doi.org/10.1023/A:1002046802785
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DOI: https://doi.org/10.1023/A:1002046802785