3 papers
astro-ph.EP2026
Revisiting the exoplanet radius valley with host stars from SWEET-Cat
Juma Kamulali, Vardan Adibekyan, Benard Nsamba +7
The radius valley,a deficit of planets near 2 , was observed among exoplanets of radius 5 with periods 100 days by NASA's…
astro-ph.SR2025
MAISTEP -- a new grid-based machine learning tool for inferring stellar parameters I. Ages of giant-planet host stars
Juma Kamulali, Benard Nsamba, Vardan Adibekyan +3
Our understanding of exoplanet demographics partly depends on their corresponding host star parameters. With the majority of exoplanet-host stars having only atmospheric constraint…
astro-ph.SR2024
Uniform characterisation of an ensemble of main-sequence benchmark stars: effect of Gaia-based data on grid search models
Benard Nsamba, Achim Weiss, Juma Kamulali
The inference of stellar parameters (such as radius and mass) through asteroseismic forward modelling depends on the number, accuracy, and precision of seismic and atmospheric cons…