CS Indi: SU UMa-type dwarf nova with long precursor outburst
CS Indi: SU UMa-type dwarf nova with long precursor outburst
We observed the 2018 November outburst of CS Ind and confirmed that it was a genuine superoutburst with a very long [0.12471(1) d in average] superhump period. The superoutburst was preceded by a long precursor, which was recorded first time in SU UMa-type dwarf novae. We interpret that the combination …