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8 papers · 1 filter
On the rotation of M-type asteroids: statistical evidence for higher rotation rates
Fernando Abarzuza, Noemí Pinilla-Alonso, Miquel Serra-Ricart +2
Rotational dynamics of asteroids carry important information about their internal structure, collisional history and material composition. This work investigates whether M-type ast…
Water ice in the debris disk around HD 181327
Chen Xie, Christine H. Chen, Carey M. Lisse +13
Debris disks are exoplanetary systems that contain planets, minor bodies (i.e., asteroids, Kuiper belt objects, comets, etc.), and micron-sized debris dust. Since water ice is the…
Light-curve analysis and shape models of NEAs 7335, 7822, 154244 and 159402
Javier Rodríguez Rodríguez, Enrique Díez Alonso, Santiago Iglesias Álvarez +8
In an attempt to further characterise the near-Earth asteroid (NEA) population we present 38 new light-curves acquired between September 2020 and November 2023 for NEAs (7335) 1989…
Computing Transiting Exoplanet Parameters with 1D Convolutional Neural Networks
Santiago Iglesias Álvarez, Enrique Díez Alonso, María Luisa Sánchez Rodríguez +3
The transit method allows the detection and characterization of planetary systems by analyzing stellar light curves. Convolutional neural networks appear to offer a viable solution…
Improved models for near-Earth asteroids (2100) Ra-Shalom, (3103) Eger, (12711) Tukmit & (161989) Cacus
Javier Rodríguez Rodríguez, Enrique Díez Alonso, Santiago Iglesias Álvarez +7
We present 24 new dense lightcurves of the near-Earth asteroids (3103) Eger, (161989) Cacus, (2100) Ra-Shalom and (12711) Tukmit, obtained with the Instituto Astrofísico Canarias 8…
One-dimensional Convolutional Neural Networks for Detecting Transiting Exoplanets
Santiago Iglesias Álvarez, Enrique Díez Alonso, María Luisa Sánchez +3
The transit method is one of the most relevant exoplanet detection techniques, which consists of detecting periodic eclipses in the light curves of stars. This is not always easy d…