Fumarole on 43P18
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Fumarole on 43P18  
View static image  
Pattern type  Oscillator  

Number of cells  61  
Bounding box  23×18  
Period  90  
Mod  Unknown  
Heat  40.27  
Volatility  0.82  
Strict volatility  0.01  
Discovered by  Unknown  
Year of discovery  Unknown  
 
 

Fumarole on 43P18 is a period 90 oscillator that is composed of a Fumarole and 43P18. Although it is composed of two oscillators of smaller periods (5 and 18 respectively), it is considered nontrivial because it contains a single cell that is alive in generation 83 and dead in the other 89 phases of the oscillator. In terms of its 61 cells, it is the smallest known nontrivial period 90 oscillator.
External links
 Fumarole on 43P18 at Adam P. Goucher's Catagolue