ISM-Dust, Polarization, Star-Formation, Open Star Cluster, Variable Star
Department of Physics
Gauhati University, Guwahati, 781014
Email: biman[at]gauhati[dot]ac[dot]in
Research Publication:NASA ADS
A statistical and multiwavelength photometric approach to investigate a young embedded open star cluster: NGC 6193, 2025, MNRAS, Sheikh A. H., Deka Simanta, Medhi Biman J.
Investigating the extinction and magnetic field geometry in the Bok globule CB26, 2024, MNRAS, 535, Paul R. S., Halder P., Das H. S., Mazarbhuiya, A. M., Medhi, B. J.
Characterization of the Blue Straggler Star Populations, through Statistical, Photometric, and Spectral Energy Distribution Analysis, in the Old Open Cluster: NGC 2243, 2024, AJ, 168, Sheikh A. H., Medhi, Biman J.
A Statistical, Photometric, and SED Analysis to Characterize the BSS Populations in OldOpen Cluster: Berkeley 39, 2024, MNRAS, 524, Sheikh A. H., Medhi, Biman J.
A statistical approach to polarimetric and photometric investigation of the intermediate-age open cluster NGC 1912, 2024, MNRAS, 532, Biswas Samrat, Medhi Biman J., Deb S., Deb Sukanta, Das H. S., Perren, G. I.
Foreground Dust Properties toward the Cluster NGC 7380, 2024, AJ, 167, Singh Sadhana, Pandey Jeewan C., Hoang Thiem, Panwar Neelam, Medhi Biman J., Joshi Vishal, Ganesh S.
Probing the magnetic field and dust grain properties of two dark clouds L1495 and L1498 through photopolarimetry, 2024, MNRAS, 528, Choudhury G. B., Goswami B., Das H. S., Medhi, Biman J., Pandey, J. C.
A statistical and multiwavelength photometric analysis of a young embedded open star cluster: IC 1590, 2024, MNRAS, 528, Sheikh A. H., Medhi, Biman J.
Probing the magnetic field orientation of low latitude dark clouds and its correlation with galactic longitude, 2024, asicon, 55, Choudhury, Gulafsha B., Goswami B., Das Himadri S., Medhi, B. J., Pandey, J. C.
VizieR Online Data Catalog: RoboPol sample of optical polarimetric standards, 2023, yCat, Blinov. D. et.al (including Medhi, Biman J.)
A Search for X-Ray/UV Correlation in the Reflection-dominated Seyfert 1 Galaxy Markarian 1044, 2023, ApJ, Barua Samuzal, Adegoke Oluwashina K., Misra Ranjeev, Pawar Pramod, Jithesh V., Medhi Biman J.
The RoboPol sample of optical polarimetric standards, 2023, A&A, 667, Blinov. D. et.al (including Medhi, Biman J.)
Correlated variability of the reflection fraction with the X-ray flux and spectral index for Mrk 478, 2022, MNRAS, 517, Barua Samuzal, Jithesh V., Misra Ranjeev, Medhi Biman J., Adegoke Oluwashina
Study of dust coma of comets 32P/Comas Sola and C/2015 V2(Johnson) by imaging polarimetry, 2022, ApSS, 367, Mazarbhuya, A. M., Das, H. S., Medhi, B. J., Haldar, P., Deb Roy, P.
The relative orientation between local magnetic field and Galactic plane in low latitude dark clouds, 2022, RAA, 22, 500, Choudhury, G. B., Das, H. S., Medhi, B. J., Pandey, J. C., Wolf, S., Dhar, T. K., Mazarbhuya, A. M.
Evidence for Coronal Temperature Variation in Seyfert 2 ESO 103-035 using NuSTAR Observations, 2021, APJ, 921, 46, Barua, S., Jithesh, V., Misra, R., Dewangan, G. C., Sarma, R., Pathak, A., Medhi, B. J.
Optical Linear Polarization towards the open cluster Casado Alessi-1, 2020, AJ, 159, 99,Singh, S., Pandey, J. C., Yadav, R. K., Medhi, Biman J.
Morphology of the Small Magellanic Cloud Using Multiwavelength Photometry of Classical Cepheids, 2019, MNRAS, 489, 3725, Deb, S., Singh, H. P.; Kanbur, S. K., Ngeow, C., Medhi, Biman J., Wysocki, D., Kumar, S.
Linear polarization towards Galactic anticenter direction: The case of Alessi, 2019, BSRSL, 88, 283, Singh, S., Pandey, J. C., Yadav, R. S., Medhi, Biman J., Joshi, A., Arora, B.
Vizier online Data Catalog: VR CCD photometry of variable stars in globular cluster NGC 4147, 2019, yCat, 51580051, Lata et. al. (including Medhi, Biman J.)
Bok globule CB17: Polarization, extinction and distance, 2019, MNRAS, 487, 475, Choudhury, G. B.; Barman, A.; Das,H.S.; Medhi, B. J.
VR CCD photometry of variable stars in globular cluster NGC 4147, 2019, AJ, 158, 51, Lata et. al. (including Medhi, Biman J.)
3.6m Devasthal Optical Telescope Project: Completion and first results, 2018, BSRSL, 87, Kumar et. al. (including Medhi, Biman J.)
The β Pictoris association: Catalog of photometric rotational periods of low-mass members and candidate members, 2017, A&A, 600, Messina, S.; Millward, M.; Buccino, A.; Zhang, L.; Medhi, B. J.; Jofré, E.; Petrucci, R.; Pi, Q.; Hambsch, F. J.; Kehusmaa, P.
Magnetic field geometry of the large globule CB 34, 2016, Ap&SS, 361, Das, A.; Das, H. S.; Medhi, Biman J.; Wolf, S.
The rotation-lithium depletion correlation in the β Pictoris association and the LDB agedetermination, 2016, A&A, 596,Messina, S.; Lanzafame, A.C.; Feiden, G. A.; Millward, M.; Desidera, S.; Buccino, A.; Curtis, I.; Medhi, B. J. ; Jofré, E.; Kehusmaa, P.
Is the β Pictoris member GJ 3039AB a physical binary ? What the rotation periods tell us ?2016, NewA, 48, Messina, Sergio; Naves, Ramon; Medhi, Biman J.
VizieR Online Data Catalog: Photometry of beta Pic members, 2016, yCat, 36000083, Messina, S.; Millward, M.; Buccino, A.; Zhang, L.; Medhi, B. J.; Jofré, E.; Petrucci, R.; Pi, Q.; Hambsch, F. J.; Kehusmaa, P.
Synchronization of off-centered dome and 3.6m Devasthal Optical Telescope, 2016,SPIE, 9913, Gopinathan, Maheswar; Sahu, Sanjit; Yadava, Shobhit; Jangid, Purshottam; Medhi, Biman J.; Rao, Pramesh; Kumar, Brijesh; Omar, Amitesh; Uddin, Wahab.
Polarimetric Studies of comets C/2013 V1 (Boattini) and 290P/Jager, 2015, IAUGA, 2256508, Roy, Parizath Deb; Halder, Prithish; Sekhar Das, Himadri; Medhi, Biman J.
Imaging polarimetry of comets C/2013 V1 (Boattini) and 290P/Jager before and after perihelion, 2015, MNRAS, 450.1770, Deb Roy, P.; Halder, P.; Das, H. S.; Medhi, B. J.
Imaging polarimetry of Comet C/2012 L2 (LINEAR), 2015, Icar, 245, 241; Deb Roy, P.; Das, H. S.; Medhi, Biman J.
Polarimetric studies of comet C/2012 L2 (LINEAR), 2014, acm, 125; Deb Roy, P.; Das, H. S.; Medhi, Biman J.
Polarimetric studies of comet C/2009 P1 (Garradd), 2013, MNRAS, 436; Das, H. S.; Medhi, Biman J.; Wolf, S.; Bertrang, G.; D. Roy, P.; Chakraborty, A
FR Cnc revisited: photometry, polarimetry and spectroscopy, 2012, MNRAS, 421; Golovin, A.; Gálvez-Ortiz, M. C.; Hernán-Obispo, M.; Andreev, M.; Pavlenko, E.; Pandey, J. C.; Martínez-Arnáiz, R.; Medhi, B. J.; Barnes, J. R.; Montes, D.
VizieR Online Data Catalog: Polarization towards open cluster NGC 6823, 2012, yCat, 74031577; Medhi, Biman J.; Maheswar, G.; Pandey, Jeewan C.; Tamura, M.; Sagar, Ram
Optical polarimetry and photometry of young sun-like star LO Peg, 2011, IAUS, 273, Pandey, J. C.; Medhi, B. J.; Sagar, R.
A multiwavelength polarimetric study towards the open cluster NGC 1893, 2011, MNRAS411, Eswaraiah, C.; Pandey, A. K.; Maheswar, G.; Medhi, Biman J.; Pandey, J. C.; Ojha, D. K.; Chen, W. P.
VizieR Online Data Catalog: New variables in ONC, 2010, yCat, 74000603, Parihar, P.; Messina, S.; Distefano, E.; Shantikumar, N. S.; Medhi, B. J.
Polarization towards the young open cluster NGC 6823, 2010, MNRAS, 403, Medhi, B. J.Maheswar G.; Pandey, Jeewan C.; Tamura, Motohide; Sagar, Ram
Broad-band optical polarimetric studies of NGC1893, 2010, ASInC, Eswaraiah, C.; Pandey, Anil K.; Maheswar, G.; Medhi, Biman J.; Pandey, Jeewan C.; Ojha, D. K.
Astronomical Polarimetry : New Opportunity, 2010, SIBCOLETJO, Vol. 05, 125, Medhi, B. J.
Exploring pre-main-sequence variables of the ONC: the new variables, 2009, MNRAS, Parihar, Padmakar; Messina, Sergio; Distefano, Elisa; Shantikumar, N. S.; Medhi, Biman J.
VizieR Online Data Catalog: ASAS chromospherically active eclipsing binaries, 2009, yCat, 73950593, Parihar, P.; Messina, S.; Bama, P.; Medhi, B. J.; Muneer, S.; Velu, C.; Ahmad, A.
LO Pegasi: an investigation of multiband optical polarization, 2009, MNRAS, 396, Pandey, J. C.; Medhi, Biman J.; Sagar, R.; Pandey, A. K.
Spectroscopic survey of ASAS eclipsing variables: search for chromospherically active eclipsing binary stars – I, 2009, MNRAS, 395, Parihar, P.; Messina, S.; Bama, P.; Medhi, B. J.; Muneer, S.; Velu, C.; Ahmad, A.
Development of ARIES Baker-Nunn camera to a wide-field Imaging Telescope with CCD, 2009, IconTOP, 380, Mondal, Soumen; Gupta, K. G.; Lata, Sneh; Medhi, Biman J.; Bangia, Tarun; Kumar, T. S.; Yadav, Shobhit; Singh, S. K.
Optical polarimetric study of open clusters: distribution of interstellar matter towards NGC 654, 2008, MNRAS, 388, Medhi, Biman J.; Maheswar, G.; Pandey, J. C.; Kumar, T. S.; Sagar, Ram
VizieR Online Data Catalog: VIcJHK photometry of NGC 1893 Halpha sources, 2007, yCat, 83791237, Maheswar, G.; Saurabh; Biman, J. M.; Pandey, A. K.; Bhatt, H. C.
Champagne flow and triggered star formation in NGC 1893, 2007, MNRAS, 379, Maheswar G.; Saurabh; Biman, J. M.; Pandey, A. K.; Bhatt, H. C.
Broad-band optical polarimetric study of IC 1805, 2007, MNRAS, 378, Medhi, Biman J. Maheswar, G.; Brijesh, Kumar; Pandey, Jeewan C.; Kumar, T. S.; Sagar, Ram.
VizieR Online Data Catalog: Chromospherically active stars in CoRoT fields, 2007, yCat34690713, Medhi, B. J.; Messina, S.; Parihar, Padmakar S.; Pagano, I.; Muneer, S.; Duorah, K.
Results from a spectroscopic survey in the CoRoT fields. I. Search for chromospherically active stars, 2007, A&A, 469, Medhi, B. J.; Messina, S.; Parihar, Padmakar S.; Pagano, I.; Muneer, S.; Duorah, K.
Long-term photometric monitoring of WTTS stars in the Orion Nebula Cluster, 2006, Cool-Star, Sergio Messina, Padmakar S. Parihar, Elisa Distefano, Biman J. Medhi
Optical spectroscopic observations of classical T Tauri star DF Tau, 2005, BASI, P. S. Parihar, Bama P., Maiti M., Biman J. Medhi, Messina, S.
New Time Minima of the Eclipsing Binary Star 44I Bootis, 2003, IAUS, 219E, 16, Biman J. Medhi, Kalpana Duorah, Hiralal Duorah,
Invited Talk/Workshop/Conference:
Invited as a resource person and delivered two talks on "Overview on Astronomy" in the State Level Master Resource Person Workshop-cum-Hands on Training on "Basic Observational Astronomy through Telescope" held at Guwahati Planetarium on 7 September, 2024
Invited as a key note speaker and delivered a talk on "India's Largest 3.6m Devasthal Optical Telescope" in Workshop on Probing Stars and Galaxies Using Innovative Data Science Tools, organised by Department of Applied Sciences, Gauhati University and IUCAA, Pune on 4 - 6 September 2024, held at Department of Applied Sciences, Gauhati University, Assam
Invited as a key note speaker and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in National Space Day(NSD) organized by IQAC, Gauhati University on 23 August, 2024, held at Department of Geography, Gauhati University, Assam
Invited as a resource person and delivered a talk on "Working Principle of Modern Telescope and its Application" in National Space Day(NSD) organized by Aryabhatta Science Center, Kamrup District on 20 August, 2024, held at J N College, Boko, Assam
Invited as a resource person and delivered a talk on "Working Principle of Telescope and its Application" in Young Scientists Program (YUVIKA) organized by ISRO on 16 May, 2024, held at NESAC, Meghalaya
Invited as a resource person and delivered two talks on "Astronomical Data Reduction using IRAF" in Astronomical Data Reduction and Analysis workshop organised by Arya Vidyapith College, Guwahati on 14 March 2024, held at Arya Vidyapith College, Guwahati, Assam
Invited as a key note speaker and delivered a talk on "Telescopes and Night Sky" in National Symposium on Astronomy and Space Technology-2024 by Assam down town University on 6 March 2024, held at Assam down town University, Guwahati, Assam
Invited as a resource person and delivered a talk on "Modern Telescopes and its Application" in Young Scientists Program (YUVIKA) organized by ISRO on 19 May, 2023, held at NESAC, Meghalaya
Invited as a resource person and delivered two talks on "Working principle of Telescopes" in the State Level Telescope Making Workshop held at Guwahati Planetarium on 29 Oct, 2023
Invited as a resource person and delivered two talks on "Overview on Astronomy" in the State Level Master Resource Person Workshop-cum-Hands on Training on "Basic Observational Astronomy through Telescope" held at Guwahati Planetarium on 9 Jun, 2023
Invited as a resource person to deliver "First Monoranjan Talukdar Memorial Talk", organized by Bhattadev University on 8 May, 2023, held at Bhattadev University, Bajali, Assam
Invited as a resource person and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in Einstein Day organized by Arya Vidyapith College on 14 March, 2023, held at Arya Vidyapith College, Guwahati, Assam
Invited as a resource person and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in National Science Day organized by Nalbari College on 28 Feb, 2023, held at Nalbari College, Nalbari, Assam
Invited as a resource person and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in Scientia-4 organized by Assam University on 9 Feb, 2023, held at Assam University, Silchar
Invited as a resource person and delivered a talk on "Exoplanets and Life component" in Young Scientists Program (YUVIKA) organized by ISRO on 20 May, 2022, held at NESAC, Meghalaya
Invited as a resource person and delivered two talks on "Overview on Astronomy" in the State Level Master Resource Person Workshop-cum-Hands on Training on "Basic Observational Astronomy through Telescope" held at Guwahati Planetarium on 10 January, 2022
Invited talk on "New Technology Telescope" presented in the one day National Webinar held at University of Science and Technology, Meghalaya on 10 July, 2021
Act as a resource person and delivered six lectures in the “Introductory course in Astrophysics for the University and College Teachers” organized by Teaching and Learning Center (TLC), IUAAA, Pune during January – March 2021
Invited talk on "Modern Telescope and and its application" in the National e-Conference on Researches in Science and Technology (NCRST-2020) held at Department of Physics, Women's College, Agartala-799001, Tripura and Department of Physics,Govt. Degree College, Dharmanagar-799145, Tripura on 11-13 September, 2020
Chaired a Session on “North-East meet of Astronomer (NEMA) -IV” held at IIT, Guwahati on 10 – 12 November, 2020
Invited talk on “Thirty Meter Telescope (TMT)” prenented in the “North-East meet of Astronomer (NEMA) -IV” held at IIT, Guwahati on 10 – 12 November, 2020
Chaired a session on "International conference of Dust in Astrophysics" held at Assam University, Silchar on Aug 31 to 1st Sept, 2020
Invited talk on "Astronomical Polarimetry" in the International conference of Dust in Astrophysics” on held at Assam University, Silchar on Aug 31 to 1 sept, 2020
Invited as a resource person in one day workshop on "Emerging Areas of Science and Technology" organized by Assam Engineering College, Guwahati in collaboration with Physics Academy of North East, 14th March, 2020
Invited as a resource person in IUCAA TLC Workshop on "Astronomy and Astrophysics"held at Srikishan Sarda College, Hailakandi, Assam, 23-29 January, 2020
Invited as a resource person in "TECHRACY-2019", Organised by Central Institute of Technology (CIT), held at CIT, Kokrajhar, Assam, 14 Nov, 2019
Invited as a resource person in International Astronomy Olympiad (PDC) 2019, Organised by National Council of Science Museum, held at NCSM, Kolkata, 13-17 October, 2019
Invited Popular talk in "Astronomy" at Pragjyotish College, Guwahati, 14 Sept., 2019
Invited as a member of Examination Board in International Astronomy Olympiad (Orientation cum selection camp) 2019, Organised by National Council of Science Museum, held at Regional Science Center, Khanapara, Guwahati, 2-17 May, 2019
Invited as a resource person in International Astronomy Olympiad (Orientation cum selection camp) 2019, Organised by National Council of Science Museum, held at Regional Science Center, Khanapara, Guwahati, 2-17 May, 2019
Invited talk at Mongoldoi College, Mongoldoi, under UGC star college scheme, 30 March, 2019
Presented our works in the 37th Annual Meeting of Astronomical Society of India, 18-22 Feb. 2019 held at Christ University, Bengaluru
Chaired a session in IUCAA sponsored 4th North East Meet of Astronomer held in Assam University, Silchar, Assam, 26 - 28 November 2018
Invited talk in IUCAA sponsored 4th North East Meet of Astronomer held in Assam University, Silchar, Assam, 26 - 28 November 2018
Invited as a Resource person and Chief Guest for the inaugural ceremony of Annual Science Exhibition and interaction with the students at St. Patric School, Sonapur, Guwahati, Assam, 25 August 2018
Invited as a Resource Person/Chief Guest for the inaugural ceremony of Annual Science Exhibition and interaction with the students at St. Theresa School, Morigaon, Assam, 11 August 2018
Invited talk in workshop cum training programme on basic observational astronomy through naked eye and telescope held at Guwahati Planetarium, 21 April, 2018
Participated in the workshop on "Progresses in Nuclear and High Energy Physics" held at Gauhati University, 30 - 31 March, 2018
Presented our works in the First Belgo-Indian Network in Astronomy (BINA) workshop held at ARIES, Nainital from 15-18 November 2016
Presented our works in the meeting of the International Astronomical Union, HonoluluHawaii from August 3rd to 14th, 2015
Presented our works in the conference of the Interstellar Dust, Molecules and Chemistry held at Tezpur University, Assam from 15 - 18 December, 2014
Presented our works in the meeting of the 12th Asia-Pacific regional IAU meeting held at Daejeon, Korea from 18 - 22 August 2014
Presented our work in the conference of the Asteroids, Comets, Meteors held at Helsinki, Finland, from 30 Jun - July 4, 2014
Presented our work in the meetings of the National Space Science Symposium(NSSS) held at Dibrugarh University, Dibrugarh, Assam from 29 January - 1 February, 2014
Presented our work in the meetings of the International Astronomical Union (IAU) held at Beijing, China, 9 Jun, 2011
Presented our work in the meetings of the Astronomical Socity of India held at Saurashtra University, Rajkot in March 2010
Presented our work in the International Conference on Trends in Optics and Photonics (IConTOP) held at Kolkata, India, 1 - 4 April, 2009
Presented our work in the IHY workshop held at ARIES, Nainital in May 2007
Invited talk at Departmant of Physics, Gauhati University, Assam, India in April 2007
Invited talk in Astronomy and Space Science Association(ASSA) Annual Day held at Gauhati University, Assam, India, April 2006
Participated in the International conference on Thermo Physical Properties, held at Gauhati University, Assam, India in March 2002
Presented our work in the Young Astronomer Meet(YAM), held at IUCAA, Pune, India in April 2001
Participated in the Workshop on 2nd Advance level Workshop in Photoelectric Photometry held at IUCAA, Pune, India in April 2000
Presented our work in the Workshop on Coupling Between Earth and Atmosphere held at Gauhati University, Assam, India in April 2000
Participated in the IUCAA workshop, Physics of Stars held at Tezpur University, Tezpur, Assam, India in April 1997
Organizing Workshop/Conference/School etc. :
IUCAA Sponsored Winter School in Astronomy, Astrophysics and Cosmology (WSAAC) held at Dept. of Physics, Gauhati University, Guwahati, 7 - 13 January, 2019.
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2018
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2017
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2016
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2015
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2014
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2013
Technology Day held at ARIES, Nainital, 2012
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2012
COSMOS held at ARIES, Nainital, 2011
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2011
Invited Talk/Workshop/Conference:
Invited as a resource person and delivered two talks on "Overview on Astronomy" in the State Level Master Resource Person Workshop-cum-Hands on Training on "Basic Observational Astronomy through Telescope" held at Guwahati Planetarium on 7 September, 2024
Invited as a key note speaker and delivered a talk on "India's Largest 3.6m Devasthal Optical Telescope" in Workshop on Probing Stars and Galaxies Using Innovative Data Science Tools, organised by Department of Applied Sciences, Gauhati University and IUCAA, Pune on 4 - 6 September 2024, held at Department of Applied Sciences, Gauhati University, Assam
Invited as a key note speaker and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in National Space Day(NSD) organized by IQAC, Gauhati University on 23 August, 2024, held at Department of Geography, Gauhati University, Assam
Invited as a resource person and delivered a talk on "Working Principle of Modern Telescope and its Application" in National Space Day(NSD) organized by Aryabhatta Science Center, Kamrup District on 20 August, 2024, held at J N College, Boko, Assam
Invited as a resource person and delivered a talk on "Working Principle of Telescope and its Application" in Young Scientists Program (YUVIKA) organized by ISRO on 16 May, 2024, held at NESAC, Meghalaya
Invited as a resource person and delivered two talks on "Astronomical Data Reduction using IRAF" in Astronomical Data Reduction and Analysis workshop organised by Arya Vidyapith College, Guwahati on 14 March 2024, held at Arya Vidyapith College, Guwahati, Assam
Invited as a key note speaker and delivered a talk on "Telescopes and Night Sky" in National Symposium on Astronomy and Space Technology-2024 by Assam down town University on 6 March 2024, held at Assam down town University, Guwahati, Assam
Invited as a resource person and delivered a talk on "Modern Telescopes and its Application" in Young Scientists Program (YUVIKA) organized by ISRO on 19 May, 2023, held at NESAC, Meghalaya
Invited as a resource person and delivered two talks on "Working principle of Telescopes" in the State Level Telescope Making Workshop held at Guwahati Planetarium on 29 Oct, 2023
Invited as a resource person and delivered two talks on "Overview on Astronomy" in the State Level Master Resource Person Workshop-cum-Hands on Training on "Basic Observational Astronomy through Telescope" held at Guwahati Planetarium on 9 Jun, 2023
Invited as a resource person to deliver "First Monoranjan Talukdar Memorial Talk", organized by Bhattadev University on 8 May, 2023, held at Bhattadev University, Bajali, Assam
Invited as a resource person and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in Einstein Day organized by Arya Vidyapith College on 14 March, 2023, held at Arya Vidyapith College, Guwahati, Assam
Invited as a resource person and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in National Science Day organized by Nalbari College on 28 Feb, 2023, held at Nalbari College, Nalbari, Assam
Invited as a resource person and delivered a talk on "James Webb Space Telescope(JWST): Astrophysics in the Next Decade", in Scientia-4 organized by Assam University on 9 Feb, 2023, held at Assam University, Silchar
Invited as a resource person and delivered a talk on "Exoplanets and Life component" in Young Scientists Program (YUVIKA) organized by ISRO on 20 May, 2022, held at NESAC, Meghalaya
Invited as a resource person and delivered two talks on "Overview on Astronomy" in the State Level Master Resource Person Workshop-cum-Hands on Training on "Basic Observational Astronomy through Telescope" held at Guwahati Planetarium on 10 January, 2022
Invited talk on "New Technology Telescope" presented in the one day National Webinar held at University of Science and Technology, Meghalaya on 10 July, 2021
Act as a resource person and delivered six lectures in the “Introductory course in Astrophysics for the University and College Teachers” organized by Teaching and Learning Center (TLC), IUAAA, Pune during January – March 2021
Invited talk on "Modern Telescope and and its application" in the National e-Conference on Researches in Science and Technology (NCRST-2020) held at Department of Physics, Women's College, Agartala-799001, Tripura and Department of Physics,Govt. Degree College, Dharmanagar-799145, Tripura on 11-13 September, 2020
Chaired a Session on “North-East meet of Astronomer (NEMA) -IV” held at IIT, Guwahati on 10 – 12 November, 2020
Invited talk on “Thirty Meter Telescope (TMT)” prenented in the “North-East meet of Astronomer (NEMA) -IV” held at IIT, Guwahati on 10 – 12 November, 2020
Chaired a session on "International conference of Dust in Astrophysics" held at Assam University, Silchar on Aug 31 to 1st Sept, 2020
Invited talk on "Astronomical Polarimetry" in the International conference of Dust in Astrophysics” on held at Assam University, Silchar on Aug 31 to 1 sept, 2020
Invited as a resource person in one day workshop on "Emerging Areas of Science and Technology" organized by Assam Engineering College, Guwahati in collaboration with Physics Academy of North East, 14th March, 2020
Invited as a resource person in IUCAA TLC Workshop on "Astronomy and Astrophysics"held at Srikishan Sarda College, Hailakandi, Assam, 23-29 January, 2020
Invited as a resource person in "TECHRACY-2019", Organised by Central Institute of Technology (CIT), held at CIT, Kokrajhar, Assam, 14 Nov, 2019
Invited as a resource person in International Astronomy Olympiad (PDC) 2019, Organised by National Council of Science Museum, held at NCSM, Kolkata, 13-17 October, 2019
Invited Popular talk in "Astronomy" at Pragjyotish College, Guwahati, 14 Sept., 2019
Invited as a member of Examination Board in International Astronomy Olympiad (Orientation cum selection camp) 2019, Organised by National Council of Science Museum, held at Regional Science Center, Khanapara, Guwahati, 2-17 May, 2019
Invited as a resource person in International Astronomy Olympiad (Orientation cum selection camp) 2019, Organised by National Council of Science Museum, held at Regional Science Center, Khanapara, Guwahati, 2-17 May, 2019
Invited talk at Mongoldoi College, Mongoldoi, under UGC star college scheme, 30 March, 2019
Presented our works in the 37th Annual Meeting of Astronomical Society of India, 18-22 Feb. 2019 held at Christ University, Bengaluru
Chaired a session in IUCAA sponsored 4th North East Meet of Astronomer held in Assam University, Silchar, Assam, 26 - 28 November 2018
Invited talk in IUCAA sponsored 4th North East Meet of Astronomer held in Assam University, Silchar, Assam, 26 - 28 November 2018
Invited as a Resource person and Chief Guest for the inaugural ceremony of Annual Science Exhibition and interaction with the students at St. Patric School, Sonapur, Guwahati, Assam, 25 August 2018
Invited as a Resource Person/Chief Guest for the inaugural ceremony of Annual Science Exhibition and interaction with the students at St. Theresa School, Morigaon, Assam, 11 August 2018
Invited talk in workshop cum training programme on basic observational astronomy through naked eye and telescope held at Guwahati Planetarium, 21 April, 2018
Participated in the workshop on "Progresses in Nuclear and High Energy Physics" held at Gauhati University, 30 - 31 March, 2018
Presented our works in the First Belgo-Indian Network in Astronomy (BINA) workshop held at ARIES, Nainital from 15-18 November 2016
Presented our works in the meeting of the International Astronomical Union, HonoluluHawaii from August 3rd to 14th, 2015
Presented our works in the conference of the Interstellar Dust, Molecules and Chemistry held at Tezpur University, Assam from 15 - 18 December, 2014
Presented our works in the meeting of the 12th Asia-Pacific regional IAU meeting held at Daejeon, Korea from 18 - 22 August 2014
Presented our work in the conference of the Asteroids, Comets, Meteors held at Helsinki, Finland, from 30 Jun - July 4, 2014
Presented our work in the meetings of the National Space Science Symposium(NSSS) held at Dibrugarh University, Dibrugarh, Assam from 29 January - 1 February, 2014
Presented our work in the meetings of the International Astronomical Union (IAU) held at Beijing, China, 9 Jun, 2011
Presented our work in the meetings of the Astronomical Socity of India held at Saurashtra University, Rajkot in March 2010
Presented our work in the International Conference on Trends in Optics and Photonics (IConTOP) held at Kolkata, India, 1 - 4 April, 2009
Presented our work in the IHY workshop held at ARIES, Nainital in May 2007
Invited talk at Departmant of Physics, Gauhati University, Assam, India in April 2007
Invited talk in Astronomy and Space Science Association(ASSA) Annual Day held at Gauhati University, Assam, India, April 2006
Participated in the International conference on Thermo Physical Properties, held at Gauhati University, Assam, India in March 2002
Presented our work in the Young Astronomer Meet(YAM), held at IUCAA, Pune, India in April 2001
Participated in the Workshop on 2nd Advance level Workshop in Photoelectric Photometry held at IUCAA, Pune, India in April 2000
Presented our work in the Workshop on Coupling Between Earth and Atmosphere held at Gauhati University, Assam, India in April 2000
Participated in the IUCAA workshop, Physics of Stars held at Tezpur University, Tezpur, Assam, India in April 1997
Organizing Workshop/Conference/School etc. :
IUCAA Sponsored Winter School in Astronomy, Astrophysics and Cosmology (WSAAC) held at Dept. of Physics, Gauhati University, Guwahati, 7 - 13 January, 2019.
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2018
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2017
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2016
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2015
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2014
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2013
Technology Day held at ARIES, Nainital, 2012
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2012
COSMOS held at ARIES, Nainital, 2011
ARIES training School on Observational Astronomy (ATSOA) held at ARIES, Nainital, 2011
Research Area :ISM-Dust, Polarization, Star-Formation, Open Star Cluster, Variable Star
PhD student:
Mr. Samuzal Barua - Completed PhD in January 2024
Presently working as a Post-Doctorate Fellow at Shanghai Astronomical Observatory
(SHAO), Shanghai, China
Mr. Samrat Biswas - Ongoing
Ms. Susmita Deb - Ongoing
Md. Ali Hasan Sheikh - Ongoing
M.Sc. Dissertation:
Mr. Devabrat Sarma, Gauhati University - 2019 Title: Near Infra-red and Optical Photometric Study of the Cluster AFGL2004
Mr. Adhiraj Kalita, Gauhati University -2019 Title: Broad-band Photometric Study of the open star Cluster NGC7036
Mr. Bhargab Kakati, Gauhati University -2019 Title: Near Infra-red Photometric Study of the open star Cluster NGC7245
Mr. Sudipta Paul, Gauhati University -2020 Title: A brief study of the morphology and linkage between X-ray and ultraviolet emission from the Active Galactic Nucleus Ton S 180
Mr. Ankur Jyoti Kalita, Gauhati University -2021 Title: Optical and Near Infrared Study of the Open Cluster Collinder 70
Mr. Arshad Hussain, Gauhati University -2021 Title: Broadband Optical and 2MASS Photometric Studies of young open star cluster NGC 3324
Ms. Susmita Deb -2022 Title: Stellar Chromospheric activity and search for Habitable Zone
Ms. Dipankar Roy -2022 Title: Age Luminosity relationship for open and globular star cluster
Mr. Samrat Biswas - 2022 Title: Standard star polarimetry using ARIES Imaging Polarimeter (AIMPOL)
Md. Ali Hasan Sheikh - 2023 Title: Photometric and Statistical Studies of Open Star Cluster
Mr. Simanta Deka - 2024 Title: Photometric and Statistical Studies of Open Star Cluster NGC6416
Mr. Kulajyoti Goswami - 2024 Title: Embedded Star Cluster 6383: Star Formation Scenario
Mr. Gopesh Paul - 2024 Title: Astronomical Grain Alignment Theory: A Review
Summer Research Fellow(SRF), Indian Academy of Science, Bangalore :
Mr. M. Basha , IAS, Bangalore - 2011 Title: Measurement of atmospheric extinction at Manora Peak, Nainital
Mr. Lijo Thomas, IIST, Trivandrum -2012 Title: Geometrical assessment of image abberations of 104-cm Sampurnanand Telescope due to misalignment of primary and secondary mirrors using Zernike polynomial
Mr. Vaibhav Savant, University of Pune -2013 Title: Display of IST, UT, LST and study of serial communication topology for hardware interface on PC using visual basic software
Ms. Neha Gupta, Banasthali Vidyapith, Rajasthan -2013 Title: Practical observational methods with 104cm sampurnanand telescope and associated CCD detectors
Mr. Ronik Kumar, IIT- Roorkee -2014 Title: Review on Interstellar grain-alignment
Mr. Pathikrit Ghosh, St. Xaviers collage, Mumbai -2014 Title: Polarization and star-cluster
Ms. Anjali Lohani, Amity University, Noida -2015 Title: A Details studies on astronomical CCD and optical telescope
Mr. Avadh Kumar Baghel, Dayalbagh Institute, Agra -2015 Title: Star and Stellar evolution
Ms. Abinaya Swaruba R., Christ University, Bangalore -2016 Title: Photometric studies of open star cluster
Ms. Kankana Choudhury, Dibrugarh University, Dibrugarh -2017 Title: Photometric studies of open cluster NGC1893
Ms. Snigdha Bhattacharjee, B. Borooah College, Guwahati -2020 Title: Photometric studies of open star cluster Majaess 30 and study the star formation secnario in nearby cluster
Ms. Hrishika Saha, Cotton University, Guwahati -2021 Title: Comparative studies of star formation efficiency in Sagittarius and Perseus arm
Research Collaboration:
Prof. Padmakar S. Parihar, IIA, Bangalore
Prof. Sergio Messina, Catania Astrophysical Observatory, Italy
Prof. Motohide Tamura, National Astronomical Observatory of Japan
Dr. Maheswar Gopinathan, IIA, Bangalore
Dr. Brijesh Kumar, ARIES, Nainital
Dr. Jeewan C Pandey, ARIES, Nainital
Dr. Himadri S. Das, Assam University, Silchar
Dr. Sukanta Deb, Cotton University, Guwahati
Developmental / Project Experience:
Working group Member, proposed 10 meter class (optical and IR) Indian Telescope: 2018 onward
Working group Member, Thirty Meter Telescope (TMT) India DPR : 2010 - 2013
Working group Member, Thirty Meter Telescope (TMT) Science DPR : 2010 - 2013
Working group member, Thirty Meter Telescope (TMT) Manpower DPR : 2010 - 2013
M.Sc. in Physics, Gauhati University, Guwahati : 1998
Ph.D. in Astronomy and Astrophysics, Gauhati University - Indian Institute of Astrophysics (IIA), Bangalore : 2005, Title of the PhD Thesis : Photometric and Spectroscopic studies of Chromospherically Active Stars
Post-Doctorate Fellow at ARIES, Department of Science & Technology, Govt. of India, Manora Peak, Nainital : 2006 (Jan) - 2007 (Jun)
Scientist 'B', ARIES, Department of Science & Technology, Govt. of India, Manora Peak, Nainital : 2007 (Jun) - 2008 (Dec)
Scientist 'C', ARIES, Department of Science & Technology, Govt. of India, Manora Peak, Nainital : 2009 (Jan) - 2012 (Dec)
Scientist 'D', ARIES, Department of Science & Technology, Govt. of India, Manora Peak, Nainital : 2013 (Jan) - 2017 (Jun)
Scientist 'E', ARIES, Department of Science & Technology, Govt. of India, Manora Peak, Nainital : 2017 (July) - 2018 (21 March)
Associate Professor, Department of Physics, Gauhati University : 2018 (March onward)
Director, ST Radar Center, Gauhati University : 2019 (November) - 2023 (December)
Astronomy and Astrophysics in 3rd Semester (MSc), Syllabus
