Current research

My research focuses on gravitational waves. For this I study compact stars like neutron stars, pulsars and black holes. Gravitational waves were predicted to exist in 1916 By Albert Einstein and directly detected by LIGO exactly after 100 years in 2016. This opens up the possibility to probe the unknowns of our universe. Read about the discovery here.

I am a member of the LIGO scientific collaboration where I search for electromagnetic counterparts of gravitational wave sources. Radio emission is expected from mergers of compact binary systems that contain a neutron star. The work we did in following up the first gravitational wave event is described in this paper.

Observing the transient radio sky gives us the chance to watch some of the most fascinating events.

Pulsar timing arrays are also already taking data to search for low frequency gravitational waves. As a member of NANOGRAV I search for supermassive binary black holes as gravitational wave sources for pulsar timing arrays.

I am also interested in answering the question to why some massive stars explode as Gamma ray bursts while others as regular supernovae..

PhD reserach

My PhD resarch involved developing a method to correct for interstellar medium effects in the pulsar signals. As radio waves from the pulsar travels through the gas clouds in our galaxy, they undergo scattering. This adds noise to the pulsar signal and therefore it is important remove this effect from our data. Cyclic Spectroscopy is a powerful tool used in the engineering community, that could be potentially useful for this purpose. I have developed simulations to show that for pulsars that show a large amount of scattering, this correction can improve timing by a significant percentage.