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Upcoming seminar
Upcoming seminar
Date: Sep. 16, 2026 @ 4:00 PM (in-person)
Date: Sep. 16, 2026 @ 4:00 PM (in-person)
Venue: Multimedia Room, Physical Sciences Building, IISc
Venue: Multimedia Room, Physical Sciences Building, IISc
Speaker: Kartick Sarkar (RRI, India)
Speaker: Kartick Sarkar (RRI, India)
Title: Stellar feedback in galaxies at cosmic dawn
Title: Stellar feedback in galaxies at cosmic dawn
Abstract: Energy produced by supernovae plays a major role in dictating the evolution of galaxies. The produced energy is directly responsible for heating the star-forming gas or stopping the gas from reaching the galaxy, thus suppressing overall star formation. In the talk, I will discuss how the ineffectiveness of stellar energy (wind, radiation, or supernovae) may alter the classical notion of galaxy formation at the cosmic dawn. I will also discuss the uncertain effect of the Lyman-alpha radiation on such galaxies.
Abstract: Energy produced by supernovae plays a major role in dictating the evolution of galaxies. The produced energy is directly responsible for heating the star-forming gas or stopping the gas from reaching the galaxy, thus suppressing overall star formation. In the talk, I will discuss how the ineffectiveness of stellar energy (wind, radiation, or supernovae) may alter the classical notion of galaxy formation at the cosmic dawn. I will also discuss the uncertain effect of the Lyman-alpha radiation on such galaxies.
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