Search
Now showing items 1-1 of 1
A barium central star binary in the Type-I diamond ring planetary nebula Abell 70
(2012-01)
Abell 70 (PN G038.1-25.4, hereafter A 70) is a planetary nebula (PN) known for its diamond ring appearance due a superposition with a background galaxy. The previously unstudied central star is found to be a binary consisting ...