CURRENT ACADEMIC ROLE & RESPONSIBILITIES
- Conducts independent research in astrophysics.
- Publishes research results in high quality peer reviewed National and International science journals.
- Guides, teaches and trains PhD students.
- Represent MCNS, Manipal University at various national and international science conferences, symposiums and meetings.
- Conducts collaborative research with other leading national and international research institutes and universities.
- Participates in science outreach program.
Debbijoy Bhattacharya is Assistant Professor of Astronomy and Astrophysics in the Manipal Centre for Natural Sciences (MCNS).
SUBJECTS CURRENTLY TEACHING
|Basic Astrophysics, Error analysis, Computational Physics|
|Degree||Specialisation||Institute||Year of passing|
|PhD||Astronomy and Astrophysics||ISRO Satellite Centre and Indian Institute of Science (IISc)||2009|
|MSc||Electronics||Banaras Hindu University||2002|
|BSc||Physics (Hons)||University of Calcutta||2000|
|Institution / Organisation||Designation||Role||Tenure|
|Manipal Centre for Natural Sciences (MCNS)||Assistant Professor|
|Inter University Centre for Astronomy and Astrophysics (IUCAA)||Postdoctoral Research Fellow||2011-2012|
|Indian Institute of Science (IISc)||Research Associate||2009-2011|
AREAS OF INTEREST, EXPERTISE AND RESEARCH
Area of Interest
Astronomy and Astrophysics
Area of Expertise
High Energy Astrophysics
Area of Research
High energy diffuse emissions, active galaxies, SED modelling, dynamics of accretion disk, spin of black hole, x-ray binaries, x-ray and gamma-ray spectral and timing study of astrophysical objects, construct and modelling of broadband spectral energy distribution of active galaxies utilising multi-wavelength observations
Professional Affiliations & Contributions
- Member of Science working group of India's first dedicated X-ray Polarimetry mission "XPOSat"
- Visiting Assosiate of Inter-University Centre for Astronomy & AstroPhysics (IUCAA)
- Cordinator of IUCAA centre for Astronomy Research and Development (ICARD)
Intra-night optical variability of misaligned active galaxies
2018-07-12 Sanna Gulati C S Stalin
Monthly Notices of the Royal Astronomical Society. page no: 3382–3389; Vol:483 (3)
Correlating nonlinear properties with spectral states of RXTE data: Possible observational evidences for four different accretion modes around compact objects
Monthly Notices of the Royal Astronomical Society. Vol:476 (2); Page:1581–1595
Unusual long-term low-activity states of EGRET blazars in the Fermi era
2017-08-11 Mohana A, Krishna Gulati,Sanna Bhattacharyya, Subir Bhatt,Nilay Sreekumar,P Stalin, C. S.
Monthly Notices of the Royal Astronomical Society. Page No:5008-5017; Vol:471(4)
Does black hole spin play a key role in the FSRQ/BL Lac dichotomy?
Research in Astronomy and Astrophysics, Vol:16(54), Page:1-8
The uncorrelated long term gamma-ray and X-ray variability of blazars and its implications on disk-jet coupling.
2013-25-03 Ranjeev Misra A. R. Rao P.Sreekumar
Monthly Notices of Royal Astronomical Society (MNRAS), Vol 431,Page:1618-1624
Observational evidences for spinning black holes: a proof of general relativity for space time around rotating black holes.
2012-13-11 Banibrata Mukhopadhyay P. Sreekumar
International Journal of Modern Physics, D 21 (11), 1250086 (19 pages). World Scientific Publishing, Singapore
Contributions from radio-loud AGNs to the extragalactic gamma-ray background (EGRB)
2011-11-01 P. Sreekumar M. Boettcher R. Mukherjee M. Errando
The 3rd Fermi Symposium, Rome, Italy, Debbijoy Bhattacharya
Disk-outflow coupling: Energetics around spinning black holes
2010-18-03 Shubhrangshu Ghosh Banibrata Mukhopadhyay
Astrophysical Journal (ApJ), Vol 713;Page 105-114.
Contribution from unresolved discrete sources to the extragalactic gamma-ray background (EGRB)
2009-10-07 P. Sreekumar R. Mukherjee
Research in Astronomy and Astrophysics (RAA), Vol 9;Page:1205-1214 .
Gamma-ray luminosity function of gamma-ray bright AGNs
2009-17-12 P. Sreekumar R. Mukherjee
Research in Astronomy and Astrophysics (RAA), Vol:9; Page:85-94.
Contribution to the extragalactic gamma-ray background from discrete sources
2007-05-02 P. Sreekumar R. Mukherjee
First Fermi Symposium, Stanford university, USA, AIP Proceedings. Vol:921; Page:480-481.
SLX 1746-311 in outburst
Advances in space research. Vol:38, Page:2788-2790 .
Contribution from normal galaxies to the extragalactic gamma-ray background
2005-25-08 Parameswaran Sreekumar
BASI. Vol:33, Page:407-408.