Dr. Achrène Dyrek

Astrophysicist. Hunting for exoplanets.

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Welcome to my academic webpage!

I am a Postdoctal Fellow at the Space Telescope Science Institute in Baltimore where I am working on the characterisation of exoplanetary atmospheres with the James Webb Space Telescope. This fellowship comes with functional work, I have joined the NIRCam team to support time series observations.

As an observer, my focus is on spectroscopic data reduction and analysis of exoplanetary atmospheres. My work mostly revolves around gaseous giant planets such as Hot Jupiters and Sub-Neptunes but I am also very curious about smaller and cooler planets, similar to the Earth.

News

Jan 16, 2026 I am deeply honoured to be making the list of “The 200 Leaders of Tomorrow” curated by Institut Choiseul and revealed by Le Figaro for their historic 200th anniversary ✨
Jan 07, 2026 The commissioning of the new JWST NIRCam DHS mode is scheduled for June 2026!
Dec 05, 2025 We have submitted an SPIE abstract on our JWST MIRI calibration program.

Latest publication

  1. A&A
    Transiting exoplanets with the Mid-InfraRed Instrument on board JWST: From simulations to observations
    A. Dyrek, E. Ducrot, P.-O. Lagage, and 4 more authors
    Astronomy & Astrophysics, Mar 2024