Dr. Chandrachur Chakraborty

Assistant Professor



    Role: Assistant Professor

    Responsibilities: Research and Teaching



Degree Specialisation Institute Year of passing
Ph.D. Relativistic Astrophysics Saha Institute of Nuclear Physics, Kolkata 2015
M.Sc. Physics IIT Kharagpur 2010
B.Sc (Hons.) Physics Burdwan University 2008


Institution / Organisation Designation Role Tenure
IISC Bangalore Research Associate Research August 2021 - February 2022
Kavli Institute of Astronomy & Astrophysics Peking University, Beijing , China BHOLE Fellow Research 2017 - 2021
TIFR Mumbai Post- Doctoral Fellow Research 2015 - 2017
South-Western Institute For Astronomy Research, Yunnan University, China Honorary (Visiting) Fellow Research May 2021--Dec 2021


Natural Sciences Dr. Kazuyuki Furuuchi Dr. Debbijoy Bhattacharya Dr. Sreejith Padinhatteeri Dr. Chandrachur Chakraborty Dr. Sumana Nandi Dr. Rupak Roy

The research interests of the Astrophysics group members are broadly related to General Relativity, Cosmology, High energy astrophysics, Radio Astronomy, X-ray Astronomy, Solar Physics and Space Instrumentation. The research of this group mainly focuses on the black hole physics, accretion mechanism, spectral and timing studies of astrophysical objects, AGN, QPOs, relativistic jets, supernovae, tidal disruption events, cosmic inflation, cosmic microwave background anisotropy, dark matter, primordial black holes, analog gravity, magnetic activities on the Sun and its effect on the Earth and other solar system bodies, and so on. For more details on individual research, please visit the official homepage of the individual faculty members of this group.


Area of Interest

General Relativity with applications to Astrophysics

Area of Expertise

General Relativity & Theoretical Astrophysics

Area of Research

(i) General Relativity with applications to Astrophysics: Lense-Thirring Effect in strong gravitational fields, Spin precession, Black hole/Naked singularity shadow ; (ii) Theoretical aspects & the corresponding observational implications of Kerr black holes/naked singularities, Kerr-Taub-NUT spacetime & Gravitomagnetic monopole theory, Neutron star (iii) Gravitational waves (theory), Analogue Models of Gravity (iv) High energy astrophysical phenomena: Relativistic accretion, Tilted accretion disc, Bardeen-Petterson effect, Quasi-periodic-oscillations, Relativistic jets, BZ mechanism, Magnetic field

Professional Affiliations & Contributions

  1.  Guest Editor: Guest Editor of special issue “Analogue Gravity” in 'Universe' (MDPI journal)
  2.  Reviewer Board Member:  Universe (MDPI journal)
  3.  Journal Referee: MNRAS, Scientific Reports, J. Cosmol. Astropart. Phys, Eur. Phys. J. C, Class. Quant. Grav., Gen. Rel. Grav.,  Int. J. Mod. Phys D, Phys. Scr., Galaxies, Universe.
  4.  Life Member: Indian Association for General Relativity and Gravitation (IAGRG)
  5.  Life Member: Astronomical Society of India (ASI) 
  6. Visiting Associate: Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune, India
  7. Associate (Guest) Editor of “Gravitational Precession and its Applications to Astrophysics” in the journal 'Frontiers in Astronomy and Space Sciences.
  8. Editorial board member of the journal "Frontiers in Astronomy and Space Sciences."
  9. Individual Member: International Astronomical Union (IAU)

Research grants and Rewards:

1.     2021: Research grant (CNY 1,20,000) for Zhihui Yunnan project, from     Yunnan Province Science and Technology Department.

2.     2018: One of the four awardees of the 1st class general grant (CNY 80,000) in Astronomy among all Chinese universities, from China Postdoctoral Science Foundation (CPSF), as PI.

3.     2017: Research grant (CNY 1,73,400) for International Young Scientists, as PI, from the National Natural Science Foundation of China.

4.     Travel awards from Japan (2017, 2015), Switzerland (2015), Germany (2013).

5.     2015: Foundation day award, for Commendable publication in the year 2014, from Saha Institute of Nuclear physics, Kolkata, India.

6.     2006: Dr. Mani Bhaumik Educational Foundation Award.

7.     2005: National Merit Scholarship, Government of India.

8.     2003: National Scholarship, Government of India.

Primordial Black Holes having Gravitomagnetic Monopole

22/11/2022 C. Chakraborty S. Bhattacharyya

Phys. Rev. D 106, 103028

Gravitational analog of Faraday rotation in the magnetized Kerr and Reissner-Nordstrom spacetimes

31/03/2022 C. Chakraborty

Phys. Rev. D 105, 064072 (2022

Spin Precession in the Gravity Wave Analogue Black Hole Spacetime

20/03/2022 C. Chakraborty B. Mukhopadhyay

Universe 8, 193

Investigating the existence of gravitomagnetic monopole in M87*

23/10/2021 M. Ghasemi-Nodehi C. Chakraborty Q. Yu, Y. Lu,

Eur. Phys. J. C. Page: 939, Vol: 81

Spinning Gyroscope in an Acoustic Black Hole: Precession Effects and Observational Aspects

02/06/2020 C. Chakraborty P. Majumdar

European Physical Journal C. Page: 493; Vol:80(6)

Estimation of the jet inclination angle for the TDE Swift J1644+57

02/12/2019 S. Chakraborty S. Bhattacharyya C. Chakraborty A. R. Rao

MNRAs. Page: 1634; Vol: 492

Circular orbits in Kerr-Taub-NUT spacetime and their implications for accreting black holes and naked singularities

21/05/2019 C. Chakraborty S. Bhattacharyya

JCAP. Page: 034, Vol: 2019

Alignment and precession of a black hole misaligned with its accretion disc: Application to Low Mass X-ray Binaries

04/06/2019 S. Banerjee C. Chakraborty S. Bhattacharyya

MNRAS. Page:3488; Vol: 487

A study of a tilted thin inner accretion disk around a spinning black hole

11/01/2019 S. Banerjee C. Chakraborty S. Bhattacharyya

Astrophys. J. Page:95 ; Vol: 870

Does the gravitomagnetic monopole exist? A clue from a black hole x-ray binary

28/08/2018 C. Chakraborty S. Bhattacharyya

Phys. Rev. D . Page:043021; Vol: 98

Inertial Frame Dragging in an Acoustic Analogue spacetime

03/03/2018 C. Chakraborty O.Ganguly, P.Majumdar

Ann.Phys.(Berlin). Page :1700231; Vol: 530

Gravitomagnetism and Pulsar Beam Precession near a Kerr Black Hole

11/11/2017 P. Kocherlakota P. S. Joshi S. Bhattacharyya C. Chakraborty A. Ray S. Biswas

MNRAS. Page:3262; Vol: 490(3)

A tilted and warped inner accretion disc around a spinning black hole: an analytical solution

06/05/2017 C. Chakraborty S. Bhattacharyya

MNRAS. Page: 3062; Vol: 469

Distinguishing Kerr naked singularities and black holes using the spin precession of a test gyro in strong gravitational fields

12/04/2017 C. Chakraborty P. Kocherlakota M. Patil, S. Bhattacharyya P. S. Joshi A. Krolak

Phys. Rev. D. Page: 084024; Vol: 95

Behavior of a test gyroscope moving towards a rotating traversable wormhole

15/03/2017 C. Chakraborty P. Pradhan

JCAP. Page:035; Vol: 2017

Spin precession in a black hole and naked singularity spacetimes

17/07/2017 C. Chakraborty P.Kocherlakota P.S.Joshi

Phys. Rev. D. 95, 044006

Gravitomagnetic effect in magnetized neutron stars

30/01/2017 D. Chatterjee C. Chakraborty D. Bandyopadhyay

JCAP. Page: 062; Vol: 2017

Anomalous Lense-Thirring precession in Kerr-Taub-NUT spacetimes

01/12/2015 C. Chakraborty

Eur. Phys. J. Page: 572 ; Vol:75

Inner-most stable circular orbits in extremal and non-extremal Kerr-Taub-NUT spacetimes

01/02/2014 C. Chakraborty

Eur. Phys. J. C , Page:2759; Vol:74

Dragging of inertial frames inside the rotating neutron stars

26/06/2014 C. Chakraborty K.P. Modak D. Bandyopadhyay

Astrophys. J. Page: 2; Vol: 790

Strong gravity Lense-Thirring Precession in Kerr and Kerr-Taub-NUT spacetimes

05/03/2014 C. Chakraborty P. Majumdar

Class. Quantum Grav. Page: 075006 ; Vol:31

Lense-Thirring Precession in Pleba´nski-Demia´nski spacetimes

30/08/2013 C. Chakraborty P. Pradhan

Eur. Phys. J. C. Page: 2536; Vol: 73

    On the first black hole image: Gravitomagnetic monopole/Naked singularity as an alternative explanation


    EPJC Highlight, Springer Research News, AAAS/EurekAlert, Phys.org Space Daily, SciTechDaily, La Vida (in Spanish), 163.com (in China), Invacao Technologica (in Brazil), AB-NEWS.RU (in Russia) The Hindu, Anandabazar Patrika

    On the first observational indication of gravitomagnetic monopole and naked singularity


    KIAA-PKU News, TIFRIndia on Twitter , Anandabazar Patrika

    On the theoretical discovery of a new method to distinguish between a black hole and a naked singularity


    AAAS/EurekAlert Phys.org, Nature India, TIFR Science news Osel (in Czech Republic), Notizie scientifiche (in Italy), Anandabazar Patrika Science Daily, Science alert, The archaeology news network, Futurism, Scifigeneration TV, Scinews, Ascimag Firstpost, Indian express, NDTV, Zee news, Business standard, Economic times, The Statesman, Ianslive

    On the discovery of ‘strong gravity frame-dragging effect’ in the laboratory


    Advanced Science News

    On the discovery of anomalous behaviour of Lense-Thirring precession in strong gravity


    Nature India