Physics Seminar by Dr. Bharti Arora | Shiv Nadar University
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Physics Seminar by Dr. Bharti Arora

Event Date: 
Monday, March 27, 2023 -
12:0013:00

Title:         Winds from massive hot stars

Speaker :    Dr. Bharti Arora

                    Post Doctorant, Université de Liège, Belgium

Date/ Day:   27th March/ Monday

Time   :        12 Noon to 1 PM

Mode:          B311

Abstract: The high luminosity of massive, early-type stars drive strong stellar winds through the line scattering of the star’s continuum radiation. Winds are able to modify the ionizing radiation of hot stars dramatically. Their momenta also contribute substantially to the dynamics and energetics of the ambient interstellar medium in galaxies. Majority of the massive stars are located in binary systems. Detailed multi-wavelength study of radiation emission from massive O-type and Wolf- Rayet binaries is essential to explore the wind structure and the hydrodynamics of the shocks formed in the stellar outflows. Further, deep analysis of complex phenomena like dust formation and particle acceleration associated with the hot stars' winds provide an indirect approach to identify long-period binaries which is crucial since the current census of binaries is biased toward shorter periods systems. This presentation aims to highlight important insights gained from photometric, polarimetric, and spectroscopic exploration of massive stars in different wavebands with several ground and space-based facilities.

Monday 27, Mar 2023
12:00 PM - 01:00 PM

B-311

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