71 citations · 363 across the 40 of their papers we have counts for
9 papers · 1 filter
Host-star metallicities and kinematics of directly imaged brown-dwarf companions
C. Swastik, R. K. Banyal, M. Muduli +15
Brown dwarfs are common as free-floating objects but rare as close companions to Sun-like stars, a disparity known as the "brown-dwarf desert". Host-star metallicity can constrain…
A Quiet Host in an Active Planet-Forming Disk: Optical Spectroscopy of WISPIT 2
C. Swastik, M. Bestha, L. S. Sonith +11
WISPIT 2 is a young pre-main-sequence star hosting a multi-ringed transition disk and two directly imaged protoplanets, including the accreting WISPIT 2b, making it the closest kno…
The 10 pc Neighborhood of Habitable Zone Exoplanetary Systems: Threat Assessment from Stellar Encounters & Supernovae
Tisyagupta Pyne, Ravinder K. Banyal, C. Swastik +1
The habitability of a planet is influenced by both its parent star and the properties of its local stellar neighborhood. Potential threats to habitability from the local stellar en…
Age distribution of exoplanet host stars: Chemical and Kinematics age proxies from GAIA DR3
C. Swastik, Ravinder K. Banyal, Mayank Narang +4
The GAIA space mission is impacting astronomy in many significant ways by providing a uniform, homogeneous and precise data set for over 1 billion stars and other celestial objects…
Installation of Solar Chromospheric Telescope at the Indian Astronomical Observatory, Merak
Ravindra B, Prabhu Kesavan, Thulasidharen +13
We report the observations of the solar chromosphere from a newly commissioned solar telescope at the incursion site near Pangong Tso lake in Merak (Leh/Ladakh). This new H tel…
Trigger of successive filament eruptions observed by SDO and STEREO
Sajal Kumar Dhara, Ravindra B., Pankaj Kumar +3
Using multi-wavelength observation from SDO and STEREO, we investigated the mechanism of two successive eruptions (F1 & F2) of a filament in active region NOAA 11444 on 27 march, 2…