Study of the 27 day variations in GCR fluxes during 2007–2008 based on PAMELA and ARINA observations
R Modzelewska, GA Bazilevskaya… - The Astrophysical …, 2020 - iopscience.iop.org
Using measurements from the PAMELA and ARINA spectrometers on board the Resurs-
DK1 satellite, we have examined the 27 day intensity variations in galactic cosmic ray (GCR) …
DK1 satellite, we have examined the 27 day intensity variations in galactic cosmic ray (GCR) …
The 27-day cosmic ray intensity variations during solar minimum 23/24
R Modzelewska, MV Alania - Solar Physics, 2013 - Springer
We have studied the 27-day variations and their harmonics in Galactic cosmic ray (GCR)
intensity, solar wind velocity, and interplanetary magnetic field (IMF) components during the …
intensity, solar wind velocity, and interplanetary magnetic field (IMF) components during the …
Study of short-term periodicities in the occurrence of Forbush decreases: wavelet analysis
We utilized the Forbush decreases (magnitude> 1.5%) detected in cosmic ray neutron
monitor data during continuous five solar cycles, viz., 20, 21, 22, 23 and 24 (1965 to 2019) …
monitor data during continuous five solar cycles, viz., 20, 21, 22, 23 and 24 (1965 to 2019) …
Hale cycle and long-term trend in variation of galactic cosmic rays related to solar rotation
Context. Galactic cosmic ray (GCR) intensities around solar minimum times are modulated
by magnetic drifts that depend on the overall solar polarity. GCR intensities reach a higher …
by magnetic drifts that depend on the overall solar polarity. GCR intensities reach a higher …
Energy spectrum of the recurrent variation of galactic cosmic rays during the solar minimum of cycles 23/24
A Gil, MV Alania - solar physics, 2016 - Springer
The Sun during the recent epoch of solar activity operated in a different way than during the
last 60 years, being less active. We study temporal changes of the energy spectrum of the …
last 60 years, being less active. We study temporal changes of the energy spectrum of the …
Theoretical and experimental studies of the rigidity spectrum of the 27-day variation of the galactic cosmic ray intensity in different epochs of solar activity
A Gil, MV Alania - Solar Physics, 2013 - Springer
We consider the recent, very exceptional, 11-year cycle (2003–2009) of solar activity and
confirm that the relative amplitude in rigidity spectrum, δD (R)/D (R), which can be …
confirm that the relative amplitude in rigidity spectrum, δD (R)/D (R), which can be …
Corotating solar wind structures and recurrent trains of enhanced diurnal variation in galactic cosmic rays
ABSTRACT Data from the Princess Sirindhorn Neutron Monitor at Doi Inthanon, Thailand,
with a vertical cutoff rigidity of 16.8 GV, were utilized to determine the diurnal anisotropy (DA) …
with a vertical cutoff rigidity of 16.8 GV, were utilized to determine the diurnal anisotropy (DA) …
Fourth harmonic behaviour of the 27-day periodicity in galactic cosmic rays during different solar magnetic polarity intervals
PB Kotzé - Solar Physics, 2020 - Springer
Galactic cosmic rays as observed by the Hermanus and Jungfraujoch Neutron Monitors
between 1960 and 2018 have been analysed using various spectral analysis techniques …
between 1960 and 2018 have been analysed using various spectral analysis techniques …
Quasi-periodic changes in the 3D solar anisotropy of Galactic cosmic rays for 1965–2014
R Modzelewska, MV Alania - Astronomy & Astrophysics, 2018 - aanda.org
Aims. We study features of the 3D solar anisotropy of Galactic cosmic rays (GCR) for 1965−
2014 (almost five solar cycles, cycles 20− 24). We analyze the 27-day variations of the 2D …
2014 (almost five solar cycles, cycles 20− 24). We analyze the 27-day variations of the 2D …
Passage of the high-speed solar wind streams, their plasma/field properties, and resulting geomagnetic disturbances
F Mustajab - Advances in Space Research, 2017 - Elsevier
We study the geomagnetic disturbances and solar wind plasma/field properties during the
passage of High Speed Solar Wind Streams (HSS) emanating from the sun. We consider the …
passage of High Speed Solar Wind Streams (HSS) emanating from the sun. We consider the …