497 citations · 1.2k across the 10 of their papers we have counts for
1 paper · 1 filter
Martin A. Guerrero, You-Hua Chu, Robert A. Gruendl
We have searched the entire ROSAT archive for useful observations to study X-ray emission from Galactic planetary nebulae (PNs). The search yields a sample of 63 PNs, which we call…