11 citations · 11 across the 1 of their papers we have counts for
2 papers
astro-ph.GA2019★ 11 cited
Circumnuclear rings and Lindblad resonances in spiral galaxies
E. O. Schmidt, D. Mast, R. Diaz +5
In order to study the location of circumnuclear rings (CNR) and their possible relation with the inner Lindblad resonances (ILR), we investigate a sample of spiral galaxies. For th…
astro-ph.SR2016
Atlas of monochromatic images of planetary nebulae
W. A. Weidmann, E. O. Schmidt, R. R. Vena Valdarenas +3
We present an atlas of more than one hundred original images of planetary nebulae (PNe). These images were taken in a narrow-band filter centred on the nebular emission of the [N I…