Author

M. Timmermans

3 papers indexed here

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Open access Sep 2026

J0404+1112: A 3 hr Eclipsing White Dwarf–Brown Dwarf Probing Multiple Atmospheric Regimes

White dwarf–brown dwarf (WD+BD) binaries are rare laboratories for probing both substellar survival through post-main-sequence evolution and the physics of strongly irradiated atmospheres. We present time-resolved eclipse photometry and radial-velocity confirmation of J0404+1112, a compact (P = 2.93 hr), totally eclips...

J. de Wit, R. Alonso, B. Rackham et al. · Astrophysical Journal Letter... · 1 citation

Review Oct 2026

On-sky performance and prospects of near-infrared CMOS detectors in exoplanet detection: first year of SPIRIT

Ultracool dwarfs are promising targets for detecting and characterising temperate terrestrial exoplanets. Their flux peaks in the near-infrared, beyond the wavelength cut-off of the silicon-based CCDs used by ground-based surveys dedicated to observing them, such as SPECULOOS. We present the on-sky performance of SPIRI...

Clàudia Janó-Muñoz, M. Hooton, P. Pedersen et al. · 1 citation

Preprint Oct 2026

The EBLM Project - XIX. The absence of radius inflation in a homogeneous analysis of 66 Northern low-mass eclipsing binaries

Precise and accurate measurements of host stars are crucial in the search for Earth-like exoplanets, and M-dwarfs are favourable targets in this quest. Low-mass eclipsing binaries offer unique opportunities to empirically determine stellar masses and radii for low-mass stars where stellar models may be systematically b...

Y. Davis, A. Triaud, D. V. Martin et al. · 0 citations