The influence of eclipses in the stellar radio emission
Tipo
Artigo de evento
Data de publicação
2016
Periódico
Proceedings of the International Astronomical Union
Citações (Scopus)
0
Autores
Selhorst C.L.
Valio A.
Valio A.
Orientador
Título da Revista
ISSN da Revista
Título de Volume
Membros da banca
Programa
Resumo
Copyright © 2017 International Astronomical Union.Here we simulate the shape of a planetary transit observed at radio wavelengths. The simulations use a light curve of the K4 star HAT-P-11 and its hot Jupiter companion as proxy. From the HAT-P-11 optical light curve, a prominent spot was identified (1.10 R P and 0.6 I C). On the radio regime, the limb brighting of 30% was simulated by a quadratic function, and the active region was assumed to have the same size of the optical spot. Considering that the planet size is 6.35% of the the stellar radius, for the quiet star regions the transit depth is smaller than 0.5%, however, this value can increase to ∼2% when covering an active region with 5.0 times the quiet star brightness temperature.