The HES Spectrum of the Quadrupole Planetary Nebula NGC 6881

  • Hyung Si-Ek (Dept. of Earth Science (Astronomy), School of Science Education, Chungbuk National University) ;
  • Lee Sang-Min (Dept. of Earth Science (Astronomy), School of Science Education, Chungbuk National University)
  • Published : 2006.04.01