The influence of binarity on dust obscuration events in the planetary nebula M 2-29 and its analogues

B. Miszalski, J. Mikołajewska, J. Köppen +8

The central star of the planetary nebula (CSPN) M 2-29 shows an extraordinary R Coronae Borealis-like fading event in its optical lightcurve. The only other CSPN to show these even…