Nikku Madhusudhan

 

Reader in Astrophysics and Exoplanetary Science

Institute of Astronomy, University of Cambridge

Madingley Road, Cambridge CB3 0HA, UK

Email: nmadhu@ast.cam.ac.uk

Tel: +44 1223 655612, +44 7804 419140

Research Interests


Atmospheres, interiors, and formation mechanisms of extrasolar planets


Radiative transfer, planetary chemistry, and atmospheric retrieval methods for exoplanets


Internal structure modeling of super-Earths, mass-radius relations, and geophysical processes


Constraints on exoplanetary formation mechanisms using their atmospheric chemical abundances


Optimal planning of observations with large facilities to characterize exoplanetary atmospheres

Education: PhD (MIT, USA, 2009), MS (MIT, USA, 2004), B. Tech (IIT-BHU, India, 2002)


Employment:

Oct 2017 - present   : Reader in Astrophysics and Exoplanetary Science (University of Cambridge, UK)

Nov 2013 - Sep 2017: University Lecturer in Astrophysics (University of Cambridge, UK)                

Jan 2012 - Oct 2013: YCAA Prize Postdoctoral Fellow (Yale University, USA)

Sep 2010 - Dec 2011: Postdoctoral researcher (Princeton University, USA)

Aug 2009 - Aug 2010: Postdoctoral researcher (MIT, USA)

Major Research Results:


New Self-consistent Models and Retrieval Methods for Exoplanetary Atmospheres

Gandhi & Madhusudhan 2017, MNRAS, in press

Pinhas & Madhusudhan 2017, MNRAS, 471, 4355

MacDonald & Madhusudhan 2017, MNRAS, 469, 1979


Detection of TiO in an exoplanetary atmosphere

E. Sedaghati, H. Boffin, R. MacDonald, S. Gandhi, N. Madhusudhan, et al., 2017, Nature, 549, 238


First thermal map of a super-Earth

B-O. Demory, M. Gillon, J. de Wit, N. Madhusudhan, et al., 2016, Nature, 532, 207


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


First framework for chemical constraints on hot Jupiter migration

Madhusudhan, Amin, & Kennedy 2014, The Astrophysical Journal, 794, L12


High-precision measurements of H2O in exoplanetary atmospheres

Madhusudhan, Crouzet, McCullough, & Deming 2014, The Astrophysical Journal, 791, L9

Press releases: NASA/Hubble, Univ. Cambridge


First inference of a possible carbon-rich super-Earth

Madhusudhan et al. 2012, The Astrophysical Journal, 759, L40

Press release: Yale Univ.


A two-dimensional classification scheme for exoplanetary atmospheres

Madhusudhan 2012, The Astrophysical Journal, 758,  36

An essay on the article can be read on astrobites


First inference of a carbon-rich planetary atmosphere   

Madhusudhan et al. 2011, Nature, 469, 64

Press releases: MIT, NASA/Spitzer


Carbon-rich giant planets: Atmospheric properties and possible formation scenarios.

Madhusudhan et al. 2011, The Astrophysical Journal, 743, 191

Press articles: TIME and PAW.


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

Stevenson et al. 2010, Nature, 464, 1161; Madhusudhan & Seager, 2011, The Astrophysical J., 729, 41

Press releases: MIT, NASA/Spitzer


First statistical retrieval method for exoplanetary atmospheres

Madhusudhan & Seager, 2009, The Astrophysical Journal, 707, 24

The so-called “Million Model Approach” to atmospheric modeling of exoplanets.


For a full listing of results from my research, please see Research and Publications pages



Recent Awards/Honors:

2016 Young Scientist Medal in astrophysics, International Union for Pure and Applied Physics (IUPAP)

2014 Vainu Bappu Gold Medal in astrophysics, Astronomical Society of India

2011 YCAA Prize Fellowship, Yale Center for Astronomy and Astrophysics, Yale University, USA