Detection of propadiene (CH${}_2$CCH${}_2$), propene (C${}_3$H${}_6$) and non-detection of propane (C${}_3$H${}_8$) in Jupiter's northern polar stratosphere

James A. Sinclair, Thomas K. Greathouse, Rohini S. Giles +8

We report the first detection of stratospheric propadiene (CH${}_2$CCH${}_2$) and propene (C${}_3$H${}_6$) at Jupiter's mid-to-high northern latitudes using IRTF-TEXES measurements recorde…