[vsnet-outburst 22863] ASASSN-18yi: superhump period

[Yasuyuki WAKAMATSU]

ASASSN-18yi: superhump period

Josch Hambsch, Berto Monard and Itoh-san reported observations.

The object shows deep eclipses with the period of 0.16825(3) d, which is
above the
period gap. The superhump period is 0.1857(1) d. The mass ratio
estimated from the
orbital period and superhump period is 0.338(3) d. This value is also
quite large for the
SU UMa-type dwarf nova. The object maintains the magnitude of 15.5 mag.
Further observations are encouraged.