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Rebirth of X-ray Emission from the Born-Again Planetary Nebula A 30
Rebirth X-ray Emission Born-Again Planetary Nebula
2012/2/23
The planetary nebula (PN) A 30 is believed to have undergone a very late thermal pulse resulting in the ejection of knots of hydrogen-poor material. Using multi-epoch HST images we have detected the a...
Three-Dimensional Photoionization Modeling of the Planetary Nebula NGC 6369
Photoionization Modeling Planetary Nebula NGC 6369
2009/6/15
Three-Dimensional Photoionization Modeling of the Planetary Nebula NGC 6369。