Biman J Medhi

Biman J Medhi

Associate Professor

MSc (Gauhati) PhD (Gauhati, IIA Bangaolre) Postdoctoral Fellow (ARIES, Nanital)

ISM-Dust, Polarization, Star-Formation, Open Star Cluster, Variable Star

Department of Physics
Gauhati University, Guwahati, 781014
Email:- biman@gauhati.ac.in

Research Publication: NASA/ADS  

* 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(accepted), 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 age determination, 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, B. J.; Wolf, S.; Bertrang, G.; D. Roy, P.; Chakraborty, A

* Cluster membership probability: polarimetric approach, 2013, MNRAS, Medhi, Biman J.; Tamura, Motohide

* 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, MNRAS, 411, 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, Biman 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, yCat, 34690713, 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. Medh.

* Optical spectroscopic observations of classical T Tauri star DF Tau, 2005, ASI,  P. S. Parihar, Bama P., Maiti M., Biman J. Medhi, Messina, S.

* New Time Minima of the Eclipsing Binary Star 44I Bootis, Biman J. Medhi, Kalpana Duorah, Hiralal Duorah, 2003, IAUS, 219E, 16 

Participation in Workshop/Conference/Invited talk :

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.

Paper(poster) Presented in 37th Annual Meeting of Astronomical Society of India, 18-22 Feb. 2019 held at Christ University, Bengaluru, Characterization of PyLoN1300B CCD, Sadhana Singh, Biman J Medhi, Pankaj Sanwal, Brijesh Kumar.

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/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’s School, Sankardev Nagar, 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  workshop "Progresses in Nuclear and High Energy Physics" held at Gauhati University, 30 - 31 March, 2018.

First Belgo-Indian Network in Astronomy (BINA) workshop held at ARIES, Nainital, 2016.

• Paper presented in meeting of the International Astronomical Union, Honolulu, 2015.

• Paper presented in conference of the Interstellar Dust, Molecules and Chemistry, Tezpur University, 2014.

• Paper presented in meeting of the 12th Asia-Pacific regional IAU, Korea, 2014.

• Paper presented in conference of the Asteroids, Comets, Meteors, Finland, 2014.

• Paper presented in meetings of the National Space Science Symposium, 2014.

• Paper presented in meetings of the International Astronomical Union, 2011.

• Paper presented in meetings of the Astronomical Socity of India, 2010.

• Paper presented in International Conference on Trends in Optics and Photonics, held at Kolkata, India, 2009.

• IHY workshop held at ARIES, Nainital, May 2007.

• Invited talk at Departmant of Physics, Gauhati University, Assam, India, April 2007.

• Invited talk in ASSA’s, annual day held at Gauhati University, Assam, India, April 2006.

• International conference on Thermo Physical Properties, held at Gauhati University, Assam, India, 2002.

Paper presented in Young Astronomer Meet, held at IUCAA, Pune, India, 2001. 

• Workshop on 2nd Advance level Workshop in Photoelectric Photometry held at IUCAA, Pune, India, 2000.

• Paper presented in Workshop on Coupling Between Earth and Atmosphere held at Gauhati University, Assam, India, 2000.

• IUCAA workshop, Physics of Stars held at Tezpur University, Tezpur, Assam, India, 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

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

Chairman, 3.6m Devasthal Optical Telescope (DOT) Observatory Control System, ARIES, Manora Peak, Nainital : 2009 - 2012

Convener, National committee for 3.6m Devasthal Optical Telescope (DOT) Observatory Control System, ARIES, Manora Peak, Nainital : 2013 - 2017

Incharge, 3.6m Devasthal Optical Telescope (DOT) Aluminizing Plant, ARIES, Manora Peak, Nainital : 2017 - 2018 (March)

Incharge, 104cm Sampurnanand Telescope (ST), ARIES, Manora Peak, Nainital : 2009 -2018 (March)

Incharge, ARIES Imaging Polarimeter (AIMPOL), ARIES, Manora Peak, Nainital : 2007 - 2018 (March)

Incharge, Back-end Instruments, 104cm Sampurnanand Telescope (ST), ARIES, Manora Peak, Nainital : 2009 - 2018 (March)

Incharge, Optics Section, ARIES, Manora Peak, Nainital : 2017 - 2018 (March)

Working group Member, Baker Nunn (BN) Schmidt Telescope Project, ARIES, Manora Peak, Nainital : 2007 - 2010

Co-Incharge, Mechanical and Civil Section, ARIES, Manora Peak, Nainital : 2015 - 2016


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, ARIES, Department of Science & Technology, Govt. of India, Manora Peak, Nainital : 2006 - 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)

Astronomy and Astrophysics in 3rd and 4th Semester (MSc)   Syllabus

Quantum Mechanics in 1st Semester (MSc)

Astronomy and Astrophysics in Pre-PhD course work 

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