LIST OF SCIENTIFIC PUBLICATIONS

IN REFEREED JOURNALS

(1) Probing the Physical Properties of Directly Imaged Gas Giant Exoplanets Through Polarization.

Mark S. Marley and Sujan Sengupta, Monthly Notices of Royal Astronomical Society 417 (2011) 2874

(2) Theoretical spectra of the Am CVn binary system SDSS J0926+3624 : Effects of irradiation onto the donor stars.

Sujan Sengupta and Ronald E. Taam, Astrophys. J. 739 (2011) 34

(3) Observed polarization of brown dwarfs suggests low surface gravity.

Sujan Sengupta and Mark S. Marley, Astrophys. J. Letters 722 (2010) L142

(4) Optical linear polarization in ultra-cool dwarfs : A tool to probe dust in the ultra-cool dwarf atmospheres.

R. Tata, E. L. Martin, Sujan Sengupta, N. Phan-Bao, M. R. Zapatero Osorio and H. Bouy, Astron. & Astrophys. 508, (2009) 1423

(5) Multiple scattering polarization of substellar-mass objects : T dwarfs.

Sujan Sengupta and Mark S. Marley, Astrophys. J. 707 (2009) 716

(6) Cloudy atmosphere of the extra-solar planet HD189733b : A possible explanation of the detected B-band polarization.

Sujan Sengupta, Astrophys. J. Letters 683 (2008) L195

(7) Polarization of starlight by an unresolved and oblate extra-solar planet in an elliptical orbit.

Sujan Sengupta and Malay Maiti, Astrophys. J. 639 (2006) 1147

(8) Polarization of L dwarfs by dust scattering.

Sujan Sengupta and Sun Kwok, Astrophys. J. 625 (2005) 996

(9) Observation of R-band variability of L dwarfs.

M. Maiti, S. Sengupta, P. S. Parihar and G. C. Anupama, Astrophys. J. Letters 619 (2005) L183.

(10) Sunyaev-Zel'dovich effect by multiple scattering : Numerical solution of the transfer equations.

Sujan Sengupta, Int. J. Mod. Phys. A 19 (2004) 1913 .

(11) Effects of dust scattering in expanding spherical nebulae.

M. Srinivasa Rao and Sujan Sengupta, New Astronomy 9 (2004) 205 .

(12) Explaining the observed polarization from brown dwarfs by single dust scattering.

Sujan Sengupta, Astrophys. J. Letters 585 (2003) L155.

(13) Probing dust in the atmosphere of brown dwarfs through polarization.

Sujan Sengupta and Vinod Krishan, Astrophys. J. Letters 561 (2001) L123.

(14) Line formation in the atmosphere of brown dwarf Gliese 229B : CH_4 line at 2.3 micron.

Sujan Sengupta and Vinod Krishan, Astron. Astrophys. Letters 358 (2000) L33.

(15) Molecular Abundances in the Atmosphere of the T Dwarf Gl 229B.

D. Saumon, T. R. Geballe, S. K. Leggett, M. S. Marley, R. S. Freedman, K. Lodders, B. Fegley, Jr. and S. K. Sengupta, Astrophys. J. 541 (2000) 374.

(16) Joule Heating in Neutron Stars Under Strong Gravitation.

Sujan Sengupta, Astrophys. J. 543 (2000) 995.

(17)Binary Pulsar PSR B1913+16 Constrains the Electron-Proton Charge Asymmetry.

Sujan Sengupta, Physics Letters B 454 (2000) 275.

(18) Evolution of crustal magnetic fields in isolated neutron stars: combined effects of cooling and curvature of space-time.

Sujan Sengupta, Astrophys. J. 501 (1998) 792.

(19)General relativistic effects on the ohmic decay of crustal magnetic fields in neutron stars.

Sujan Sengupta, Astrophys. J. Letters 479 (1997) L133.

(20) Charged particle trajectories in a toroidal magnetic and rotation-induced electric field around a black hole.

Sujan Sengupta, International J. Modern Physics D 6 (1997) 591.

(21) A Newtonian interpretation of the parameter `a' associated with the Kerr metric.

Sujan Sengupta, Modern Physics Letters A 11 (1996) 1445.

(22) Constraints on cosmic electric charge asymmetry and neutrino charge from the microwave background.

Sujan Sengupta and Palash B. Pal, Physics Letters B 365 (1996) 175.

(23) General relativistic effects on the induced electric field exterior to pulsars.

Sujan Sengupta, Astrophys. J. 449 (1995) 224.

(24) Charged particle trajectories in the presence of a toroidal magnetic field on Schwarzschild background.

A. R. Prasanna and S. Sengupta, Physics Letters A 193 (1994) 25.

(25) Resonance line polarization in expanding spherical atmosphere : solution in the comoving frame.

S. Sengupta, Monthly Notices of Royal Astronomical Society 269 (1994) 265.

(26) Resonance line polarization in a moving medium : solution in the comoving frame with complete frequency redistribution.

S. Sengupta, Monthly Notices of Royal Astronomical Society 265,(1993) 513.

IN CONFERENCE PROCEEDINGS

(1) Multiple scattering polarization - Application of Chandrasekhar's formalisms to the atmospheres of brown dwarfs and extra-solar planets .

Sujan Sengupta and Mark S. Marley, Chandrasekhar Centenary Conference, 7-11 December, Indian Institute of Astrophysics, Bangalore, Pramana -J. Phys. 77 (2011) 157, Edited by T. Padmanabhan.

(2) Polarization of Directly Imaged Young Giant Planets as a Probe of Mass, Rotation, and Clouds

Mark S. Marley and Sujan Sengupta, American Astronomical Society, DPS meeting #42, #27.21; Bulletin of the American Astronomical Society, 42 (2010) 1063

(3) The Thermal Evolution of Mass Losing Donors in AM CVn Binary Systems.

Ronald E. Taam, Christopher J. Deloye and Sujan Sengupta, The Eighth Pacific Rim Conference on Stellar Astrophysics: A Tribute to Kam-Ching Leung ASP Conference Series, Phuket, Thailand. Edited by B. Soonthornthum, S. Komonjinda, K.S. Cheng, and K.C. Leung San Francisco: Astronomical Society of the Pacific, 404 (2009) 241

(4) Sub-stellar mass function in Young Open Cluster ASCC24.

Malay Maiti, Annapurni Subramaniam and Sujan Sengupta, Proc. 25th meeting of Astron. Soc. India 25 (2007) 64 .

(5) Brightness Variations in Comet Hyakutake (C/1996 B2).

Malay Maiti, Sujan Sengupta, P. S. Parihar and G. C. Anupama, Bulletin of the Astronomical Society of India 33 (2005) 368.

(6) Brown Dwarfs: the Missing Link Betwen Stars and Planets.

Sujan Sengupta, Bulletin of the Astronomical Society of India 33 (2005) 341.

(7) Ammonia in the T Dwarf Gliese 229B.

D. Saumon, T. R. Geballe, S. K. Leggett, M. S. Marley, R. S. Freedman, S. K. Sengupta and Y. V. Kalinin, From Giant Planets to Cool Stars, ASP Conference Series, Vol. 212. Edited by Caitlin A. Griffith and Mark S. Marley. (San Francisco: ASP). 2000, p.163.

(8) Underabundance of NH_3 in the brown dwarf Gliese 229B.

D. Saumon, T. R. Geballe, S. K. Leggett, M. S. Marley, R. S. Freedman, S. K. Sengupta and Y. V. Kalinin, Bull. Am. Astron. Soc. 31 (1999) 1087.