X-ray observations of planetary nebulae with binary nuclei

K. M.V. Apparao, G. D. Berthiaume, J. A. Nousek

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


Einstein and EXOSAT satellite observations of X-ray emission from the planetary nebulae A63 and LoTr 5 are reviewed. Both of these systems contain binary central stars. No flux was detected from A63 (central star UU Sge). LoTr 5 (central star IN Com) is a previously unreported X-ray emitter; it showed no statistically significant X-ray variability. Three models for the source of the X-ray emission in such systems are considered in the light of these and previous results.

Original languageEnglish (US)
Pages (from-to)534-536
Number of pages3
JournalAstrophysical Journal
Issue number2
StatePublished - 1992

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science


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