89 citations · 89 across the 2 of their papers we have counts for
2 papers
astro-ph.SR2023
New Spectroscopy of U Gem
J. Echevarría, S. H. Ramírez, M. Fuentes +3
We present new optical spectroscopic observations of U Geminorum obtained during a quiescent stage. We performed a radial velocity analysis of three Balmer emission lines yielding…
astro-ph.SR2014★ 89 cited
Magnetic Twist and Writhe of Active Regions: On the Origin of Deformed Flux Tubes
M. López Fuentes, P. Démoulin, C. H. Mandrini +2
We study the long term evolution of a set of 22 bipolar active regions (ARs) in which the main photospheric polarities are seen to rotate one around the other during several solar…