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New Temperature and Metallicity Scale of Cool Giants from K-band Spectra
Supriyo Ghosh, D. K. Ojha, J. P. Ninan
We present here quantitative diagnostic tools for cool giants that employ low-resolution near-infrared spectroscopy in the -band for stellar population studies. In this study, a…
Impact of Particle Arrays on Phase Separation Composition Patterns
Supriyo Ghosh, Arnab Mukherjee, Raymundo Arroyave +1
We examine the symmetry-breaking effect of fixed constellations of particles on the surface-directed spinodal decomposition of binary blends in the presence of particles whose surf…
Tusas: A fully implicit parallel approach for coupled phase-field equations
Supriyo Ghosh, Christopher K. Newman, Marianne M. Francois
We develop a fully-coupled, fully-implicit approach for phase-field modeling of solidification in metals and alloys. Predictive simulation of solidification in pure metals and meta…
Understanding Physical Properties of Young M-dwarfs: NIR spectroscopic studies
Dhrimadri Khata, Soumen Mondal, Ramkrishna Das +2
We present here medium resolution (λ/Δλ\sim1200) H- and K-band spectra of M type dwarf stars covering the wavelength range 1.50 - 1.80 μm and 1.95 - 2.45 μm. The sample includes 53…