3 papers
astro-ph.SR2025
Unveiling the Variability and Chemical Composition of AL Col
Surath C. Ghosh, Santosh Joshi, Samrat Ghosh +9
Using \tess\ short-cadence (120\,s) SAP flux, we identified a rotational frequency of 0.09655\, (\,d). Wavelet analysis reveals that while…
astro-ph.SR2025
Dynamic Photometric Variability in Three Young Brown Dwarfs in Taurus: Detection of Optical Flares with TESS data
Samrat Ghosh, Soumen Mondal, Somnath Dutta +4
We present -band time-series photometric variability studies of three known nearby ( 140 pc) and young ( 1 Myr) brown dwarfs (BD) in the Taurus star-forming region…
astro-ph.SR2025
Starspot distribution and flare events in two young low-mass stars using TESS data
Rajib Kumbhakar, Soumen Mondal, Samrat Ghosh +1
Wide-field high-precision photometric observations such as \textit{Transiting Exoplanet Survey Satellite (TESS)} allowed the investigation of the stellar magnetic activity of cool…