Navin Chandra Joshi
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View article: Infection Pattern, Treatment Protocols and Post-COVID-19 Complications–A Survey on 706 COVID-19 Recovered Participants
Infection Pattern, Treatment Protocols and Post-COVID-19 Complications–A Survey on 706 COVID-19 Recovered Participants Open
Background and objectivesThe pandemic of coronavirus disease 2019 (COVID-19) has killed millions of people globally and has severely affected quality of life and global economy. The present randomized survey aimed to collect information ba…
View article: Evolutionary stages and triggering process of a complex eruptive flare with circular and parallel ribbons
Evolutionary stages and triggering process of a complex eruptive flare with circular and parallel ribbons Open
We report multiwavelength study of a complex M-class solar eruptive flare that consists of three different sets of flare ribbons, viz. circular, parallel, and remote ribbons. Magnetic field modelling of source active region NOAA 12242 exhi…
View article: Flux rope breaking and formation of a rotating blowout jet
Flux rope breaking and formation of a rotating blowout jet Open
We analyzed a small flux rope eruption converted into a helical blowout jet\nin a fan-spine configuration using multi-wavelength observations taken by SDO,\nwhich occurred near the limb on 2016 January 9. In our study, first, we\nestimated…
View article: Onset of a Large Ejective Solar Eruption from a Typical Coronal-jet-base Field Configuration
Onset of a Large Ejective Solar Eruption from a Typical Coronal-jet-base Field Configuration Open
Utilizing multiwavelength observations and magnetic field data from the Solar Dynamics Observatory ( SDO )/Atmospheric Imaging Assembly (AIA), SDO /Helioseismic and Magnetic Imager (HMI), the Geostationary Operational Environmental Satelli…
View article: CHAIN RECONNECTIONS OBSERVED IN SYMPATHETIC ERUPTIONS
CHAIN RECONNECTIONS OBSERVED IN SYMPATHETIC ERUPTIONS Open
The nature of various plausible causal links between sympathetic events is still a controversial issue. In this work, we present multiwavelength observations of sympathetic eruptions, associated flares, and coronal mass ejections (CMEs) oc…
View article: THE ROLE OF ERUPTING SIGMOID IN TRIGGERING A FLARE WITH PARALLEL AND LARGE-SCALE QUASI-CIRCULAR RIBBONS
THE ROLE OF ERUPTING SIGMOID IN TRIGGERING A FLARE WITH PARALLEL AND LARGE-SCALE QUASI-CIRCULAR RIBBONS Open
In this paper, we present observations and analysis of an interesting sigmoid formation, eruption and the associated flare that occurred on 2014 April 18 using multi-wavelength data sets. We discuss the possible role of the sigmoid eruptio…
View article: Formation of a rotating jet during the filament eruption on 2013 April 10–11
Formation of a rotating jet during the filament eruption on 2013 April 10–11 Open
We analyze multi-wavelength and multi-viewpoint observations of a helically\ntwisted plasma jet formed during a confined filament eruption on 10-11 April\n2013. Given a rather large scale event with its high spatial and temporal\nresolutio…