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International Conference on Dust in Astrophysics (ICDA-2020) Organized by
Department of Physics, Assam University, Silchar-788011 (India) Day-I (Monday: August 31, 2020)
INAUGURAL SESSION: (10:30-11:00) IST
10:30-10:32 Welcome speech by Ms. Gulafsha Begom Choudhury 10:32-10:37 Address by the Convener, Dr. Himadri Sekhar Das
10:37-10:42 Address by the Chairperson, Prof. Atri Deshamukhya 10:42-10:47 Speech of the Patron, Prof. Chira Ranjan Bhattacharjee
10:47-10:57 Speech of the Hon’ble Vice Chancellor, Prof. Dilip Chandra Nath 10:57-11:00 Vote of Thanks by Dr. A. Senorita Devi
TECHNICAL SESSION-I: (11:00-13:00) IST Chair: A. Deshamukhya
11:00-12:00 Biman J. Medhi
(Dept. of Physics Gauhati University, Assam)
(Invited Speaker)
Optical and NIR Polarimetry of star- forming regions
Chair: Biman. J. Medhi 12:00-12:15 Gulafsha B. Choudhury
(Assam University, Silchar)
Variation in the orientation of
magnetic field of star forming clouds with their galactic longitude
12:15-12:30 Sadhana Singh
(Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, India)
Polarimetric study toward the open star cluster NGC 1817
12:30-12:45 Jayanand Maurya
(ARIES, Nainital, India)
Photometric and Kinematic study of the open clusters SAI 35, SAI 44, and SAI 45
12:45-13:00 Giridhari Deogharia
(The University of Burdwan, West Bengal, India)
Universe Undergoes Different
Acceleration Phases Under A Suitable Interaction Between Dark Matter as Dust and Dark Energy as Scalar Field
Invited Talk = (45 + 15) min, Contributed Talk = (10+5) min
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TECHNICAL SESSION-II: (16:00-18:00) IST
Chair: Asoke Kumar Sen 16:00-17:00 Evgenij S. Zubko
(Kyung Hee University, South Korea)
(Invited Speaker)
Polarization of Comet C/2019 Y4 (ATLAS) prior and after its
disintegration: Clues to understanding microphysics of pristine dust particles
Chair: Evgenij S. Zubko
17:00-17:15 Chinmoy Bhattacharjee
(Kokrajhar Govt. College)
Fitting Laboratory data of
bidirectional reflectance of alumina by Hapke’s photometric model.: A review
17:15-17:30 Ayesha Maryam
Mazarbhuiya
(Assam University, Silchar)
Dependence of porosity and size parameter in Umov effect in cosmic dust aggregates
17:30-17:45 Manas J Boruah
(Tezpur University, Assam)
Simulation of light scattering
properties of interstellar fayalite dust analogues
17:45-18:00 Prithish Halder (
Physical Research Laboratory,Ahmedabad, India)
Classification of dust particles and their polarimetric response
Invited Talk = (45 +15) min, Contributed Talk = (10+5) min
Day-II (Tuesday: September 01, 2020)- TECHNICAL SESSION-III: (10:30-12:15) IST
Chair: Himadri Sekhar Das
10:30-11:30 Ekaterina Chornaya
(The Institute of Applied Astronomy, Russian Academy of Sciences, Russia)
(Invited Speaker)
Revisiting constraints on size and morphology of cosmic dust particles inferred from their 10-m silicate feature
Chair: Ekaterina Chornaya
11:30-11:45 Aravind K.
(Physical Research Laboratory, Ahmedabad, India)
Spectroscopic and Imaging study of the first interstellar comet 2I/Borisov
11:45-12:00 Bhaskar Goswami
(Assam University, Silchar)
Study of dependence of polarization properties of aggregates on porosity
12:00-12:15 Naznin R. Choudhury
(Assam University, Silchar)
Model for porous cosmic dust particles
Invited Talk = (45 + 15) min, Contributed Talk = (10+5) min
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TECHNICAL SESSION-IV: (16:00-18:00) IST Chair: A. Senorita Devi
16:00-17:00 Shashikiran Ganesh (Invited Speaker)
Recent observations of Astrophysical Dust
Chair: Shashikiran Ganesh 17:00-17:15 Nilima Yasmin
(University of Science and Technology, Meghalaya, India)
Possibility of light scattering tool to characterize biological particle in relevance to astrobiology
17:15-17:30 Promila Biswas
(The University of Burdwan, West Bengal, India)
Chaplygin Gas type Dark Energy Interacting with Pressureless Dust : Thermodynamic Study of Cosmos
17:30-17:45 Debabrata Adak
(IUCAA, Pune, India)
Dust polarization modeling at large- scale over the Northern Galactic cap using EBHIS and Planck data
17:45-18:00 Vipin Kumar Sharma
(University of Lucknow, Lucknow, UP, India)
Astrophysical constraints of modified gravity theories in the dusty galactic halo