Selected Recent Results

(See Publications for full list of recent results)

1. •New Advances on Hycean Worlds
   

    First Detections of Carbon-bearing Molecules in a Possible Hycean World with JWST

    Madhusudhan et al. 2023, ApJL, 956, L13

    Theoretical Predictions for Possible Chemical Conditions on Hycean Worlds

    Madhusudhan, Moses, Rigby & Barrier, 2023, Faraday Discussions, 245, 80

   

1. •Early Insights into Atmospheric Spectroscopy of Exoplanets with JWST
   

    Atmospheric Retrievals: Constantinou, Madhusudhan & Gandhi, 2023, ApJL, 943, 10

    Spectroscopy with JWST NIRISS: Holmberg & Madhusudhan, 2023, MNRAS, 524, 377   

1. •Next Generation Retrieval Frameworks for Exoplanetary Atmospheres
   

    AURA-3D: Nixon & Madhusudhan 2022, ApJ, 935, 73

    HyDRo: Piette, Madhusudhan and Mandel 2021, MNRAS, 3279

    Aurora: Welbanks & Madhusudhan 2021, ApJ, 913, 114

1. •JWST Simulator for Exoplanet spectroscopy
   

    JexoSim: Sarkar & Madhusudhan 2021, MNRAS, 508, 114

1. •Habitability and Biosignatures of Hycean Worlds
   

     N. Madhusudhan, A. Piette, S. Constantinou, ApJ, 918, 1

1. •The interior and atmosphere of the habitable-zone exoplanet K2-18b
   

    N. Madhusudhan, M. Nixon, L. Welbanks, A. Piette, R. Booth 2020, ApJL, 891L, 7M

1. •H2O Measurements and Mass-Metallicity Trends in Exoplanetary Atmospheres
   

    L. Welbanks, N. Madhusudhan, N. Allard, et al. 2019, ApJL

    A. Pinhas, N. Madhusudhan, S. Gandhi, R. Macdonald 2019, MNRAS, 482, 1485

    N. Madhusudhan, N. Crouzet, P. McCullough, & D. Deming 2014, ApJ, 791, L9

1. •New self-consistent models and retrieval methods for exoplanetary atmospheres
   

    (Gandhi & Madhusudhan 2017 & 2018, Pinhas & Madhusudhan 2017,2018, MacDonald & Madhusudhan 2017a,b)

1. •First thermal map of a super-Earth (B-O. Demory, M. Gillon, J. de Wit, N. Madhusudhan, et al.,
   

    Nature, 2016, 532, 207)

1. •First spectroscopic inference of a thermal inversion in a hot Jupiter (K. Haynes, A. M. Mandell,
   

    N. Madhusudhan, et al., 2015, ApJ, 806, 2, 146)

1. • Chemical constraints on hot Jupiter migration (Madhusudhan et al. 2014, ApJ, 794, L12)
   

1. • First high-precision measurements of H2O in exoplanet atmospheres (Madhusudhan et al. 2014, ApJ, 791, L9)
   

1. • First inference of a possible carbon-rich super-Earth (Madhusudhan et al. 2012, ApJ, 759, L40)
   

1. •  A two-dimensional classification scheme for exoplanetary atmospheres (Madhusudhan 2012, ApJ, 758, 36)
   

1. •  First constraint on C/O ratio of a giant planetary atmosphere (Madhusudhan et al. 2011, Nature, 469, 64)
   

1. •  First detection of non-equilibrium chemistry and high metallicity in an exoplanetary atmosphere
   

     (Stevenson et al. 2010, Nature, 464, 1161; Madhusudhan & Seager, 2011, ApJ, 729, 41)

1. •  First statistical retrieval method for exoplanetary atmospheres (Madhusudhan & Seager, 2009, ApJ, 707, 24)
   

1. •  Atmospheric characterization of numerous exoplanets, using Hubble, Spitzer, Kepler, and
   

     ground-based telescopes (please see list of publications).