Current Associates List
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INTER-UNIVERSITY CENTRE FOR ASTRONOMY AND ASTROPHYSICS (An Autonomous Institution of the University Grants Commission) ************************************************************************************* VISITING ASSOCIATES (Current List) Last updated on August 2021 Total No. 197 No. Name and Address Phone and E-mail Research Interests 1. Dr. Sheelu Abraham Phone : 7875352218 (O) My research interest lies in exploring state- Assistant Professor 9605892349 (M) of-the-art ML techniques to tackle problems related to astronomy & astrophysics. This Department of Physics includes star-galaxy-quasar classification, Marthoma College E-mail : [email protected] transient analysis in advanced LIGO, CRTS Chungathara, Malappuram & Astrosat CZTI, photometric redshift. I also Kerala - 679 334 have experience in handling big data, GPU computing and Deep Neural Networks. 2. Dr. Gazi Ameen Ahmed Phone : (03712) 275556 (O) Development of light scattering Department of Physics 9435014377 (M) theories, Development of Tezpur University Fax : (03712) 267006 experimental setups using laser-based Napaam E-mail : [email protected], instrumentation. Tezpur - 784 028 [email protected] Assam 3. Dr. G. Ambika Phone : (0877) 2500230 (O) Nonlinear Dynamics and Chaos. Chair, Physics and Dean, Academics 9890463122 / 8772500230 (M) Indian Institute of Science Education and Research (IISER) E-mail : [email protected], Transit Campus [email protected], Sree Rama Engineering College [email protected] Karkambadi Road, Mangalam Tirupati - 517 507 4. Dr. Sampurn Anand Phone : 8595856776 (O) Cosmology: Dark energy, structure Department of Physics 7490895656 (M) formation, primordial magnetic fields Central University of Tamil Nadu Neelakudy Campus E-mail : [email protected] Thiruvarur - 610 005 Tamil Nadu 5. Dr. Rizwan Ul-Haq Ansari Phone : (040) 23008323 (O) Cosmology, Early Universe and Department of Physics (040) 23536000 (R) Inflation, Cosmological Perturbation School of Sciences Education and 9490315023 (M) theory, Study of perturbations in dark Training Building energy, Braneworld Cosmology, late Maulana Azad National Urdu E-mail : [email protected] time acceleration of the universe. University, Gachibowli Hyderabad - 500 032 Telangana No. Name and Address Phone and E-mail Research Interests 6. Prof. Bijan Kumar Bagchi Phone : 9874744141 (M) Gravity and Entropy from non- Department of Physics Hermitian perspective. Shiv Nadar University E-mail : [email protected] Gautam Buddha Nagar Greater Noida Uttar Pradesh - 201 314 7. Dr. Tanwi Bandyopadhyay Phone : (079) 25558798 (O) Gravitation, Cosmology. Mathematics Adani Institute of 9925967683 (M) Infrastructure Engineering Shantigram Township E-mail : [email protected] Near SGVP Circle [email protected] Sarkhej-Gandhinagar Highway P.O. Adalaj Ahmedabad - 382 421 8. Dr. Arunima Banerjee Phone : (0877) 2500446 (O) The development of a coherent theory Indian Institute of Science Education 9764456117 (M) of the formation and evolution of and Research (IISER) Tirupati galaxies, based on observational C/o Sree Rama Engineering College E-mail : [email protected] surveys of galaxies throughout the (Transit Campus) universe as well as computer Rami Reddy Nagar simulations of the key physical Karakambadi Road Mangalam processes at play during galaxy (P.O.) Tirupati - 517 507 formation, is one of the central goals Andhra Pradesh of contemporary astrophysics. 9. Dr. Indrani Banerjee Phone : 9674902730 (M) General Relativity and Modified Department of Physics and Gravity, Astrophysics, Cosmology Astronomy E-mail : [email protected] National Institute of Technology Rourkela - 769 008 Odisha 10. Prof. Shyamal Kumar Banerjee Phone : 9760818302 (M) General Relativity, Cosmology. Professor and Dean E-mail : [email protected] School of Basic Science & Research [email protected] Sharda University [email protected] 32, 34 Knowledge Park-III Greater Noida - 201 310 11. Dr. Sarmistha Banik Phone : (040) 66303593 (O) Nuclear Astrophysics, Neutron Stars, Department of Physics 8466054465 (M) Supernova explosion, Gravitational BITS Pilani, Samirpeth E-mail : [email protected] Waves. Hyderabad - 500 078 [email protected] 12. Dr. Prasad Basu Phone : (033) 25850641 (R ) Black hole accretion, gravitational Cotton College State University 8116819083 (M) waves, etc. College Hostel Road Panbazar E-mail : [email protected] Guwahati - 781 001 [email protected] Assam No. Name and Address Phone and E-mail Research Interests Multi-wavelength study of X-ray Binaries, Transient Astronomy which also includes Dr. Aru Beri Phone : 91172 – 2293105 (O) the study of Very Faint X-ray Transients (VFXTs). Magnetosphere and Accretion 13. disc Interaction Mechanisms in high magnetic field neutron star binaries. IISER Mohali : 9988481264 (M) Constraining accretion geometry of neutron star X-ray binaries using Spin Phase Resolved Spectroscopy. To perform timing and spectral studies using data from X- ray instruments like AstroSat, NICER, NuSTAR, XMM-Newton, Swift to study Office No-1F5, accretion flows around NS-LMXBs and BH-LMXBs. Development of new and improved models for studying time resolved spectra during Thermonuclear X-ray Academic Block-I E-mail : [email protected] bursts in a broadband. Calculation of orbital parameters of neutron star Be-binary systems. Calculation of abundances of elements during Thermonuclear bursts seen Department of Physics through spectral analysis of X-ray data. IISER Mohali, Knowledge City, Sector 81, Sas Nagar, Manauli PO -140 306 My major research area is General theory of relativity and modified gravity. My Dr. Piyali Bhar Phone : (033) 26300126 (O) areas of research interest are exact solutions of Einstein Field Equations, Modeling of 14. compact Star, Black hole, Wormhole and Gravastar model. Presently I have focused Department of Mathematics 8116754967 (M) my attention to the study on compact objects and wormhole model using modified theory of Gravitation and compare the result with General theory of relativity. I am also interested to study the effect of pressure anisotropy and inclusion of charge to Government General Degree College the space-time of compact star and wormhole in modified theory of gravitation and gravitational lensing phenomenon, i.e. deflection of light by the wormhole that offers Singur, P.O Jalaghata Email: [email protected] a good possibility to detect the presence of a wormhole. Hooghly - 712 409 West Bengal Prof. Rashmi Bharadwaj Phone : (011) 25302415 (O) Celestial Mechanics, Dynamical Astronomy, 15. Nonlinear Dynamics, Applied Mathematics, Head, Non-Linear Dynamics 9013534105 (R) Wavelet â “ Fractal-Chaos, Complex Research Lab. 9868818880 (M) Dynamics, Ordinary & partial Differential University School of Basic and Equations,Numerical Analysis, Fluid Dynamics & Optimization, Atmospheric & Environmental Applied Sciences E-mail : [email protected] Sciences, Fuzzy Mathematics, Optimization Guru Gobind Singh Indraprastha Techniques, Soft Computing - Data Sciences University â “ Machine Learning; Space Dynamics, Integral Equations & Boundary Value Problem, Sector 16C, Dwarka Big data Analysis Delhi - 110 078 I have studied two different x-ray transients using NuSTAR and Swift/XRT Dr. Priya Bharali Phone : (0490) 2332319 (O) observation of the sources (MAXI J1820+070. GRS 1716-249). I have 16. analyzed the data from the recent observation of two Galactic black hole Department of Physics 8876660109 (M) candidates GRS 1716â “249 and MAXI J1820+070, in different modes (for timing and spectral study). Study in different modes helps to understand Mahatma Gandhi Government Arts different physical mechanisms such as, the time variability of the observed flux, accretion disk dynamics, the spectral state evolution etc. Study of rapid E-mail : [email protected] X-ray variability together with X-ray spectroscopy can help in obtaining College valuable information about physical environment in the vicinity of accreting compact object and accretion flow dynamics. In addition to XRBs, for GRBs Mahe we considered the possibility that an intrinsic thermal spectrum from a fire- ball like model, may be observed to be broadened if the system undergoes a Pondicherry - 673 311 rapid temperature evolution. I have constructed a toy model for GRB, with best possible set of parameters, to obtained maximum obtainable width of the spectrum. Dr. Bari Maqbool Phone : (01933) 247954 (O) My research interests include study of the X-ray 17. Irradiated Accretion Discs in X-ray binaries through Department of Physics (01933) 260056 (R) theoretical modelling and numerical calculations. Islamic University of Science and 8713918191 (M) This includes studying the effects of X-ray Technology irradiation on the outer regions of the accretion disc in low mass X- ray binaries and understanding the 1, University Avenue E-mail : [email protected] long term variability observed on X-ray binaries. My Awantipora, Pulwama - 192 122 [email protected] research interest also includes the study of the timing Jammu and Kashmir properties of X-ray binaries. Presently, I am involved in studying the energy dependent rapid temporal behaviour of black hole systems using AstroSat and NICER data. 18. Prof. Naseer Iqbal Bhat Phone : (0194) 22420078, (O) Observational Astronomy, Binary Department of Physics (0194) 2415631 (R) Stars, Variable Stars . University of Kashmir 9419079191 (M) Hazratbal Fax : (0194) 2421357 Srinagar