V4140 Sgr in ASAS-SN data We wrote a paper: http://adsabs.harvard.edu/abs/2018PASJ...70L...3K The recurring superoutbusts (with somewhat variable supercycles) have become even more apparent in the recent ASAS-SN data: https://asas-sn.osu.edu/light_curves/fb1179cf-bb37-4087-afb6-a6adcbbfd9ea