Confirmation of the link between central star binarity and extreme abundance discrepancy factors in planetary nebulae
It has recently been noted that there seems to be a strong correlation between planetary nebulae with close binary central stars and highly enhanced recombination line abundances. We present new deep spectra of seven objects known to have close binary central stars, and find that the heavy element abundances derived from recombination lines exceed
Wesson, R. et al.
Fecha de publicación:
11
2018