Khagol Bulletin # 136 (Apr 2025) - ENG

| 19 | KHAG L | No. 136 - APRIL 2025 Farewell to... Tathagata Ghosh, Bikram Keshari Pradhan and Partha Pratim Deka , Senior Research Fellows, who left IUCAA at the end of their tenure. Colloquium 30.02.2025 Prof. Santosh Vadawale on The Alpha Particle X-ray Spectrometer (APXS) onboard Pragyan rover of theChandrayaan-3mission-an incredible journey. 20.02.2025 Prof. SubhadeepDe on InstrumentationforSensingwithUnprecedentedAccuracy. 27.02.2025 Prof. Debarati Chatterjee on Unravellingthe interiorofNeutronStarswithGravitationalWaves. 13.03.2025 Prof. JnanadevaMaharana on AnOddStory. 20.03.2025 Prof. Vaidehi Paliya on HighEnergyEmissionfromCosmicBeacons . Seminars 02.01.2025 Dr Divya Rawat on Evolution of the Comptonizing medium of the black-hole candidate Swift J1727.8–1613alongtheaccretionstatetransitionusingNICER. 14.01.2025 Dr. AlbertoRoper Pol on Gravitationalwaves fromturbulence intheearlyUniverse. 16.01.2025 Dr. Swagat Saurav Mishra on Inflationary Gravitational Waves as a Probe of the Unknown Expansion Historyof theEarlyUniverse. 23.01.2025 Kaustav Kashyap Das on The Faint and the Furious: What are the Lowest Mass Stars that Explode as Core-CollapseSupernovae? 28.01.2025 Dr. Tanmoy Chattopadhyay on Development of fast, lownoiseX-raydetectors for thenext generation astronomical observatories. 04.02.2025 Dr. Swetha Bhagwat on Learning About Nature Of Gravity and Black Holes Using Gravitational Wave Observations. 13.02.2025 Dr. Yash Bhargava on Delving deeper into the enigmas of highly accreting Neutron star X-ray binary GX340+0. 18.02.2025 Dr. AruBeri on UnravelingAccretionandMagneticFieldConfigurations inX-rayPulsars. 25.02.2025 Dr. Arghajit Jana on Opportunities and Challenges in Decoding Changing-Look AGNs with MultiwavelengthObservation. 06.03.2025 Dr. Vaibhav Tiwari on Arapidadvance inourunderstandingofbinaryblackholepopulation. 11.03.2025 Dr. Swagat Saurav Mishra on New Frontiers in Preheating: The Gateway from Inflation to the hot Big Bang intheearlyUniverse. 18.03.2025 Dr. SumanBala on CosmicFireworks:UnlockingtheMysteriesofGammaRayBursts. 25.03.2025 Dr. Dimple Panchal on Compact Binary Mergers: GRBs, GWs, and the Dawn of Multimessenger Astrophysics.