155 citations · 475 across the 18 of their papers we have counts for
18 papers
Propagation of Waves above a Plage as Observed by IRIS and SDO
P. Kayshap, A. K. Srivastava, S. K. Tiwari +2
Context. MHD waves are proposed to transport sufficient energy from the photosphere to heat the transition-region (TR) and corona. However, various aspects of these waves such as t…
The Evolution of Magnetic Rayleigh-Taylor Unstable Plumes and Hybrid KH-RT Instability into A Loop-like Eruptive Prominence
Sudheer K. Mishra, A. K. Srivastava
MRT unstable plumes are observed in a loop-like eruptive prominence using SDO/AIA observations. The small-scale cavities are developed within the prominence, where perturbations tr…
First Evidence of the Frequency Filtering of Magnetoacoustic Waves in the Flaring Star EK Dra
A. K. Srivastava, J. C. Pandey, Subhajeet Karmakar +7
Using the data obtained from XMM-Newton, we show the gradual evolution of two periodicities of ~4500 s and ~2200 s in the decay phase of the flare observed in a solar analog EK Dra…
Inference of Magnetic Field in the Coronal Streamer Invoking Kink Wave Motions generated by Multiple EUV Waves
A. K. Srivastava, Talwinder Singh, Leon Ofman +1
Using MHD seismology by observed kink waves, the magnetic field profile of a coronal streamer has been investigated. STEREO-B/EUVI temporal image data on 7 March 2012 shows an evol…
Study of multi-periodic coronal pulsations during an X-class solar flare
Partha Chowdhury, A. K. Srivastava, B. N. Dwivedi +2
We investigate quasi-periodic coronal pulsations during the decay phase of an X 3.2 class flare on 14 May 2013, using soft X-ray data from the RHESSI satellite. Periodogram analyse…
Evidence of Multiple Slow Acoustic Oscillations in the Stellar Flaring Loops of Proxima Centauri
A. K. Srivastava, S. Lalitha, J. C. Pandey
We present the first observational evidence of multiple slow acoustic oscillations in the post flaring loops of the corona of Proxima Centauri using XMM-Newton observations. We fin…