36th Annual Report (2023-24)

191 A. K. Raychaudhuri Centenary Special Lecture Prof. Sailojananda Mukherjee, Former Professor of Physics, North Bengal University delivered the 'A. K. Raychaudhuri Centenary Special Lecture' on 21 December 2023. The participants were M. Sc. students of Mathematics and Physics, Research Scholars, Faculties and former students of Prof. Mukherjee (retired from university, namely, Dr D. P. Datta, Dr R. Samanta) and others. A total of 95 head gathered. The topic of discussionwas "The story of stars". OutreachActivities 1. Outreach Program by Prof. B. C. Paul, Cosmology: Present status. Exploring the Cosmos at HECRC, NBU on 15 February 2023. 2. Prof. B.C. Paul delivered a talk titled ' Astrophysics: Chandrayaan and Aditya L1? ' on 04 October 2023 for the Salesian College, Siliguri undergraduate students. 3. Prof. B.C. Paul delivered a talk titled ' The Moon and Mission: Chandrayaan-3 ' on 23 August 2023 at the Physics D e p a r t m e n t , N o r t h B e n g a l University—all the M. Sc. students of Physics and mathematics. Research Scholars and faculties attended the popular talk on the eve of the success of Chandrayyan-3. 4. Prof. B.C. Paul delivered a popular talk titled ' Astrophysics: Chandrayaan and Aditya L1? on 19 September 2023 at the Physics Department, Raiganj University, for B. Sc andM. Sc. students. 5. Prof. B.C. Paul delivered a talk titled ' Indian Missions to the Moon & the Sun and Astrophysics ' on 28 November 2023 at theHRDC, NBU. 6. Prof. B.C. Paul delivered a talk titled ' Black Holes: The Final State of a Luminous Massive Star' on 28 November 2023 at the HRDC, NBU. 7. Prof. B.C. Paul delivered a talk titled, ' The Moon: Its Missions-Chandrayan? on 13 January 2024 at HRDC, NBU. 8. Prof. B.C. Paul delivered a talk titled, ' Indian Missions to the Moon & the Sun and Astrophysics' on 15 January 2024 at the West Bengal Science Congress, A. C. College, Jalpaiguri. 1. B Rai, B Paul, M Tobrej, M Ghising, R Tamang, B. C. Paul, Spectral properties of the BE/X-ray pulsar 2S 1553- 542 d u r i n g T y p e I I o u t b u r s t s a r X i v : 2 2 1 1 . 0 9 0 8 2 ( 2 0 2 2 ) , J . Astrophysics & Astronomy (accepted) (2023). 2. Md. Tobrej, Bi. Rai, M. Ghising, R. Tamang, Bikash Chandra Paul, A high- mass X-ray binary pulsar 4U 1907+09 with multiple absorption-line features in the spectrum Mon. Not. Roy. Astron. Soc. (MNRAS) 518, 4861-4869 (2023). 3. M. Ghising, R. Tamang, Md Tobrej, B. Rai, B. C. Paul, Super-critical accretion in BeXRB SXP 15.3 Mon. Not. Roy. Astron. Soc. (MNRAS) 520, 3396-3404 (2023). PublicationsusingICARDfacilities