158 citations · 651 across the 25 of their papers we have counts for
4 papers · 1 filter
Influence of solar eclipse of November 3rd, 2013 on the total ozone column over Badajoz, Spain
D. Mateos, M. Antón, J. M. Vaquero
The hybrid eclipse of November 3rd, 2013 was observed as partial with a magnitude equal to 0.126 from Badajoz (38^\circ 53' N, 6^\circ 58' W). The evolution of the Total Ozone Colu…
The controversial early brightening in the first half of 20th century: a contribution from pyrheliometer measurements in Madrid (Spain)
M. Antón, J. M. Vaquero, A. J. P. Aparicio
A long-term decrease in downward surface solar radiation from the 1950s to the 1980s ("global dimming") followed by a multi-decadal increase up to the present ("brightening") have…
A Note on the Relationship between Sunspot Numbers and Active Days
J. M. Vaquero, S. Gutiérrez-López, A. Szelecka
We have studied the relationship between three different versions of the sunspot number (Group, International and American sunspot number) and the number of active days (i.e., the…
Reconstructing Past Solar Activity using Meridian Solar Observations: the Case of the Royal Observatory of the Spanish Navy (1833-1840)
J. M. Vaquero, M. C. Gallego
Solar meridian observations have been used to evaluate the solar activity of the past. Some important examples are the solar meridian observations made at the Basilica of San Petro…