395 citations · 1.3k across the 52 of their papers we have counts for
1 paper · 1 filter
Hugo E. Schwarz, Romano L. M. Corradi, Rodolfo Montez
We present [OIII]500.7nm and Halpha+[NII] images and long-slit, high resolution echelle spectra in the same spectral regions of Sa2--237, a possible bipolar planetary nebula. The i…