Search Results for author: Ramesh Chandra

Found 5 papers, 0 papers with code

Variation of Chromospheric Features as a Function of Latitude and Time using Ca-K Spectroheliograms for Solar Cycles 15-23: Implications for Meridional Flow

no code implementations9 Feb 2021 Pooja Devi, Jagdev Singh, Ramesh Chandra, Muthu Priyal, Reetika Joshi

We have analysed the Ca-K images obtained at Kodaikanal Observatory as a function of latitude and time for the period of 1913 - 2004 covering the Solar Cycle 15 to 23.

Solar and Stellar Astrophysics

Observations of a prominence eruption and loop contraction

no code implementations19 Jan 2021 Pooja Devi, Pascal Démoulin, Ramesh Chandra, Reetika Joshi, Brigitte Schmieder, Bhuwan Joshi

Rather, this prominence eruption is compatible with an unstable flux rope where the contraction and expansion of the lateral loop is the consequence of a side vortex developing after the flux rope is launched.

Solar and Stellar Astrophysics

Multi thermal atmosphere of a mini solar flare during magnetic reconnection observed with IRIS

no code implementations29 Oct 2020 Reetika Joshi, Brigitte Schmieder, Akiko Tei, Guillaume Aulanier, Juraj Lörinčík, Ramesh Chandra, Petr Heinzel

Simultaneously at the same location (jet base), strong emission of several transition region lines (e. g. O IV and Si IV), emission of the Mg II triplet lines of the Balmer-continuum and absorption of identified chromospheric lines in Si IV broad profiles have been observed and analysed.

Solar and Stellar Astrophysics

The role of small-scale surface motions in the transfer of twist to a solar jet from a remote stable flux rope

no code implementations16 Aug 2020 Reetika Joshi, Brigitte Schmieder, Guillaume Aulanier, Véronique Bommier, Ramesh Chandra

Multi-wavelength observations of a twisted jet observed with AIA and IRIS were used to understand how the twist was injected into the jet.

Solar and Stellar Astrophysics

ADARES: Adaptive Resource Management for Virtual Machines

no code implementations5 Dec 2018 Ignacio Cano, Lequn Chen, Pedro Fonseca, Tianqi Chen, Chern Cheah, Karan Gupta, Ramesh Chandra, Arvind Krishnamurthy

Our large-scale analysis confirms that VMs are often misconfigured, either overprovisioned or underprovisioned, and that this problem is pervasive across a wide range of private clusters.

Multi-Armed Bandits Transfer Learning

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