The development of PHOEBE (phoebe-project.org) in the 2.0 through 2.2 releases has focused entirely on the forward model — creating synthetic models of light curve and radial velocity curves of eclipsing binary systems. The recent 2.3 release turns this focus towards addressing the inverse problem with the goal of determining the best parameter

The binary nature of the M8.5 dwarf DENIS J063001.4-184014AB (DE0630-18) was discovered with astrometric monitoring from the ground, which determined the unresolved photocentric orbit and the trigonometric parallax of the system. Here we present radial velocity monitoring and resolved observations in the near-infrared with Keck aperture masking

We revise parameters of four transiting hot Jupiter planets discovered by ground-based surveys. We use follow-up observations carried by TESS mission together with PyTransit software. Space telescopes like TESS provide better coverage and photometry precision than ground-based telescopes. PyTransit is fast and user-friendly exoplanet transit light

Accurate angular quadratures are crucial for the numerical solution of three-dimensional (3D) radiative transfer problems, especially when the spectral line polarisation produced by the scattering of anisotropic radiation is included. There are two requirements for obtaining an optimal quadrature and they are difficult to satisfy simultaneously

In this project we analyse the optical and structural properties of galaxies with redshifts (0.5 < z < 3.0) and more massive than 10 9 solar masses in the IllustrisTNG50 cosmological simulation. We use a Convolutional Neural Network (CNN) trained on observed galaxies from the CANDELS survey. We include similar PSF and noise to the 11048 mock images

We present the first science results from the High Optical Resolution Spectrograph (HORuS), a cross-dispersed echelle spectrograph now in operation on the 10.4-m Gran Telescopio Canarias (GTC). The spectrograph provides a FWHM resolving power of 25,000 and coverage between 370 and 690 nm. HORuS has been mostly built with parts from a previous