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 Interstellar and Heliospheric Physics (3263): People
Liton  Majumdar's Picture
Address:
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
818-354-4543
Email Contact:
Curriculum Vitae:

Liton Majumdar

I'm an astrophysicist, astrochemist, and astrobiologist.

I am interested in the physics and chemistry of simple and complex organic molecules in space from interstellar clouds, the birthplaces of stars, through to protoplanetary disks. These organics eventually seed planetary surfaces and atmospheres and play a role in the "Origin of Life." I use numerical models and single dish telescope observations (e.g., IRAM; GBT; NRO 45m and ARO 12m) along with high-spatial and high spectral resolution observations from the ALMA and NOEMA interferometers at (sub-) millimeter wavelengths for my research.

At JPL, I am combining millimeter and sub-millimeter observations to study the evolution of volatile molecules in protoplanetary disks with the goal of determining the amount of volatile carbon, nitrogen, and oxygen available to forming planets, i.e., the composition of the exoplanetary atmosphere.

I am also interested in linking disk models and observations to the origin of comets and have a strong desire to understand the source of the observed organics on comet 67P/C-G by Rosetta. I am also highly interested in studying physics and chemistry from molecular clouds to protoplanetary disks at near, mid and far-infrared wavelengths (JWST NIRSpec, JWST MIRI, Spitzer and Herschel science archive). I am also a co-Investigator for JWST MIRI GTO program to study physics and chemistry of protostellar binaries in Perseus.

 I also have a deep interest in the future development (technology) and capabilities of WFIRST, OST, SPHEREx, and HabEx mission to revolutionize our understanding of planetary system formation and complete the census of the outer reaches of the Solar System.


Education
  • B.Sc. (Hons) Physics, University of North Bengal (2007)
  • M.Sc. Physics, University of Calcutta (2009)
  • Ph.D. Astrophysics, University of Calcutta (2014)

Research Interests

Physics and chemistry of the interstellar medium, including pre-stellar cores to protoplanetary disks, Isotopic fractionation in space and origin/evolution of the solar system, Sub-mm spectroscopy and radiative transfer modeling, Single dish and interferometric observations at sub-mm wavelengths, JWST NIRSpec/MIRI observations, Astrobiology.


Professional Experience

1. NASA Postdoctoral Fellow, NASA-JPL/Caltech, USA: July 2017-present

2. CNRS Postdoctoral Fellow, University of Bordeaux, LAB, France: Dec 2014 to June 2017


Selected Awards

1. ngVLA community service round 2 approved program
2. Referee for the Astrophysical Journal, Astronomy and Astrophysics, Planetary and Space Science
3. Referee for NASA Fellowships and NASA ROSES Grants
4. Research highlighted in Physics Today Article https://physicstoday.scitation.org/do/10.1063/PT.6.1.20171109b/full/
5. Research highlighted in NASA Post-Doctoral Program (NPP) News letter
6. NASA Postdoctoral Program Award
7. CNRS Postdoctoral grant under ERC project
8. IAU 280 and IAU General Assembly student grant
9. COSPAR student grant


Selected Publications

30. N. T. Phuong, E. Chapillon, L. Majumdar, S. Guilloteau, V. Pietu, V. Wakelam, P. N. Diep, T. Beck, J. Barry, 2018, The first detection of H2S in protoplanetary disk: The dense GG Tau A ring, Astronomy and Astrophysics Letter (under communication).

29. T. Suzuki, Y. Shinnaka, T. Shibata, L. Majumdar, H. Nomura, S. Yuhito, 2018, Possibility of condensation of glycine near the surface of comet 67P/C-G, The Astrophysical Journal Letter (under communication).

28. V. Wakelam, E. Chapillon, A. Dutrey, S. Guiloteau, W. Iqbal, A. Coutens, L. Majumdar, 2018, Protoplanetary disks: Sensitivity of the chemical composition to various model parameters, Monthly Notices of the Royal Astronomical Society (under communication).

27. Y. Seo, Y. Shirley, P. F. Goldsmith, L. Majumdar, K. Willacy et al., 2018, An ammonia spectral map of the L1495-B218 filaments in the Taurus molecular cloud: II. Tracing recently accreted gas in CCS and HC7N and three modes of star formation in the filaments, The Astrophysical Journal (under communication).

26. I. Andron, P. Gratier, L. Majumdar, T. Vidal, A. Coutens J. C. Loison, and V. Wakelam, 2018, CH3CN and CH3CCH in the low mass protostar IRAS16293-2422, Monthly Notices of the Royal Astronomical Society (under communication).

25. K. Taniguchi, M. Saito, L. Majumdar et al., 2018, Chemical Composition in Three High-Mass Star-Forming Regions Containing Hot Cores Associated with the 6.7 GHz Methanol Masers, The Astrophysical Journal, arxiv:1804.05205

24. T. Suzuki, L. Majumdar, M. Ohishi, M. Saito, T. Hirota, V. Wakelam, 2018, An expanded gas-grain model for interstellar glycine, The Astrophysical Journal, arxiv:1807.00111

23. T. Suzuki, M. Ohishi, M. Saito, T. Hirota, L. Majumdar, V. Wakelam, 2018, The difference in abundance between N-bearing and O-bearing species in high-mass star forming regions, 2018, The Astrophysical Journal Supplementary Series, arxiv:1712.06799

22. L. Majumdar, P. Gratier, V. Wakelam, E. Caux, K. Willacy, M. E. Ressler, 2018, Detection of HOCO+ in the protostar IRAS 16293-2422, Monthly Notices of the Royal Astronomical Society, 477, 525

21. L. Majumdar, J. C. Loison, M. Ruaud, P. Gratier, V. Wakelam, A. Coutens, 2018, Methyl isocyanate: An important missing organic in current astrochemical networks, Monthly Notices of the Royal Astronomical Society Letters, 473, L59

20. L. Majumdar, P. Gratier, M. Ruaud, V. Wakelam, C. Vastel, O. Sipila, F. Hersant, A. Dutrey, S. Guiolloteau, 2017, Chemistry of TMC-1 with multiply deuterated species and spin chemistry of H2, H2+, H3+ and their isotopologues, Monthly Notices of the Royal Astronomical Society, 466, 4470.

19. L. Majumdar, P. Gratier1, I. Andron, V. Wakelam1, E. Caux, 2017, A study of singly deuterated cyclopropenylidene c-C3HD in protostar IRAS 16293-2422, Monthly Notices of the Royal Astronomical Society, 467, 3525.

18. P. Gorai, A. Das, L. Majumdar, B. Sivaraman, S. K. Chakrabarti, E. Herbst, 2017, The Possibility of Forming Propargyl Alcohol in the Interstellar Medium, Molecular Astrophysics, 6, 36.

17. L. Majumdar, P. Gratier, T. Vidal, V. Wakelam, J. C. Loison, K. M. Hickson, E. Caux, Detection of CH3SH in protostar IRAS 16293-2422, 2016, Monthly Notices of the Royal Astronomical Society, 458, 1859.

16. T. Suzuki, M. Ohishi, T. Hirota, M. Saito, L. Majumdar, V. Wakelam, 2016, Survey observation of a possible Glycine Precursor Methanimine CH2NH, The Astrophysical Journal, 825, 79.

15. P. Gratier, L. Majumdar, M. Ohishi, E. Rouef, J. C. Loison, K. M. Hickson, V. Wakelam, 2016, A new reference chemical composition for TMC-1, The Astrophysical Journal Supplement Series, 225, 25.

14. V. Wakelam, M. Ruaud, F. Hersant, A. Dutrey, D. Semenov, L. Majumdar, S. Guilloteau, 2016, Importance of the H2 abundance in protoplanetary disk ices for the molecular layer chemical composition, Astronomy & Astrophysics, 594, A35.

13. A. Das, D. Sahu, L. Majumdar, S. K Chakrabarti, 2015, Deuterium enrichment of the interstellar grain mantle, Monthly Notices of the Royal Astronomical Society, 455, 540.

12. L. Majumdar, P. Gorai, A. Das, S. K. Chakrabarti, 2015, Potential formation of three pyrimidine bases in interstellar regions, Astrophysics and Space Science, 360, 64.

11. A. Das, L. Majumdar, D. Sahu, P. Gorai, B. Sivaraman, S. K. Chakrabarti, 2015, Methyl Acetate and its singly deuterated isotopomers in the interstellar medium, The Astrophysical Journal, 808, 21.

10. S. K. Chakrabarti, L. Majumdar, A. Das, S. Chakrabarti, 2015, Search for interstellar Adenine, Astrophysics and Space Science, 357, 90.

9. D. Sahu, A. Das, L. Majumdar, S. K. Chakrabarti, 2015, Monte Carlo simulation for the formation of molecular hydrogen and its deuterated forms, New Astronomy, 38, 23.

8. B. Sivaraman, N. Radhika, A. Das, G. Goopakumar, L. Majumdar, S. K. Chakrabarti, K. P. Subramanian, M Hada, 2015, Infrared Spectra and Chemical Abundance of Methyl Propionate in Icy Astrochemical Conditions, Monthly Notices of the Royal Astronomical Society, 448, 1372.

7. A. Das, L. Majumdar, S.K. Chakrabarti, D. Sahu, 2015, Deuterium enrichment of the interstellar medium, New Astronomy, 35, 53.

6. L. Majumdar, A. Das, Sandip K. Chakrabarti, 2014, Formation of different isotopomers of Chloronium in the interstellar medium, The Astrophysical Journal, 782, 73.

5. L. Majumdar, A. Das, S. K. Chakrabarti, 2014, Spectroscopic characteristics of the cyanomethyl anion and its deuterated derivatives, Astronomy & Astrophysics, 562, 56.

4. A. Das, L. Majumdar, S. K. Chakrabarti, R. Saha, S. Chakrabarti, 2013, Formation of cyanoformaldehyde in interstellar space, Monthly Notices of the Royal Astronomical Society, 433, 3152.

3. A. Das, L. Majumdar, S. K. Chakrabarti, S. Chakrabarti, 2013, Chemical evolution during the process of proto-star formation by considering a two-dimensional hydrodynamic model, New Astronomy, 23, 118.

2. L. Majumdar, A. Das, S.K Chakrabarti, S. Chakrabarti, 2013, Study the chemical evolution and spectral signatures of some interstellar precursor molecules of adenine, glycine and alanine, New Astronomy, 20, 15.

1. L. Majumdar, A. Das, S. K. Chakrabarti, S. Chakrabarti, 2012, Hydro-chemical study of the evolution of interstellar pre-biotic molecules during the collapse of molecular clouds, Research in Astronomy and Astrophysics, 12, 1613.

 


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