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- Indian Institute of Technology GandhinagarIN123 papers
- Tata Institute of Fundamental ResearchIN75 papers
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- Indian Institute of AstrophysicsIN47 papers
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- Aryabhatta Research Institute of Observational SciencesIN37 papers
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6 papers · 2 filters
Forbidden atomic oxygen emissions in the Martian dayside upper atmosphere
Susarla Raghuram, Sonal Kumar Jain, Anil Bhardwaj
Recently, Nadir and Occultation for Mars Discovery (NOMAD) ultraviolet and visible spectrometer instrument on board the European Space Agency's ExoMars Trace Gas Orbiter (TGO) simu…
A physico-chemical model to study the ion densitydistribution in the inner coma of comet C/2016 R2(Pan-STARRS)
Susarla Raghuram, Anil Bhardwaj, Damien Hutsemékers +3
The recent observations show that comet C/2016 R2 (Pan-Starrs) has a unique and peculiar composition when compared with several other comets observed at 2.8 au heliocentric distanc…
Modelling heterogeneous dust particles. An application to cometary polarization
Prithish Halder, Shashikiran Ganesh
In this work, we introduce a comet dust model that incorporates multiple dust morphologies along with inhomogeneous mixture of silicate minerals and carbonaceous materials under po…
A dayside thermal inversion in the atmosphere of WASP-19b
A. S. Rajpurohit, F. Allard, D. Homeier +2
Observations of ultra-hot Jupiters indicate the existence of thermal inversion in their atmospheres with day-side temperatures greater than 2200 K. Various physical mechanisms such…
CO+ first-negative band emission: A tracer for CO in the Martian upper atmosphere
Susarla Raghuram, Anil Bhardwaj
Recently, Imaging Ultraviolet Spectrograph (IUVS) on-board Mars Atmosphere and Volatile EvolutioN (MAVEN) satellite observed CO first-negative band limb emission in the Martian…
Ionic emissions in comet C/2016 R2 (Pan-STARRS)
Kumar Venkataramani, Shashikiran Ganesh, Kiran S. Baliyan
We carried out observations of a peculiar comet, C/2016 R2 (Pan-STARRS), using a low resolution spectrograph mounted on the 1.2m telescope at Mount Abu Infrared Observatory, India.…