Chemical Abundance of PN based on Recombination lines - Comparison with derivation from collisional line

  • Choi Young-Jun (Korea Astronomy Observatory) ;
  • Hyung Siek (Korea Astronomy Observatory) ;
  • Han Wonyong (Korea Astronomy Observatory) ;
  • Lee Woo-Baik (Korea Astronomy Observatory) ;
  • Aller Lawrence H. (Dept. of Astronomy and Astrophysics.)
  • 발행 : 1999.10.01