17 Oct
2021
17 Oct
'21
2:20 a.m.
ASASSN-21tg: very rapid fading
Josch Hambsch reported observations. The object faded from 16.6 to 17.4 between Oct. 14.975 to 15.100. The rapid fading suggests an AM CVn-type object. A period of 0.021(1) d has been detected, but this needs to be confirmed by further observations.