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- Universidade Estadual de Campinas (UNICAMP)BR39 papers
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10 papers · 1 filter
Solar polar brightening and radius at 100 and 230 GHz observed by ALMA
Caius L. Selhorst, Paulo J. A. Simões, Roman Brajša +8
Polar brightening of the Sun at radio frequencies has been studied for almost fifty years and yet a disagreement persists between solar atmospheric models and observations. Some ob…
Two Terrestrial Planet Families With Different Origins
Mark Swain, Raissa Estrela, Christophe Sotin +2
The potentially important role of stellar irradiation in envelope removal for planets with diameters of 2 R$_{\Earth}$ has been inferred both through theoretical work…
The spectral content of SDO/AIA 1600 and 1700 Å filters from flare and plage observations
Paulo J. A. Simões, Hamish A. S. Reid, Ryan O. Milligan +1
The strong enhancement of the ultraviolet emission during solar flares is usually taken as an indication of plasma heating in the lower solar atmosphere caused by the deposition of…
BCS Pairing Gap in the Infrared Limit of the Similarity Renormalization Group
Sergio Szpigel, Varese Salvador Timoteo, Enrique Ruiz Arriola
Effective interactions have been used to compute the pairing gap for nuclear and neutron matter in several schemes. In this work we analyze the impact of phase-shift equivalent int…
Star Formation Rate Distribution in the Galaxy NGC 1232
Alexandre Araújo de Souza, Lucimara P. Martins, Alberto Rodríguez-Ardila +1
NGC 1232 is a face-on spiral galaxy and a great laboratory for the study of star-formation due to its proximity. We obtained high spatial resolution Hα images of this galaxy, with…
The 2015 Summer Solstice Storm: one of the major geomagnetic storms of solar cycle 24 observed at ground level
C. R. A. Augusto, C. E. Navia, M. N. de Oliveira +8
We report on the 22-23 June 2015 geomagnetic storm. There has been a shortage of intense geomagnetic storms during the current solar cycle 24 in relation to the previous cycle. Thi…