منابع مشابه
ON THE ORBITAL INCLINATION OF PROXIMA CENTAURI b
The field of exoplanetary science has seen discovery rates increase dramatically over recent years, due largely to the data from the Kepler mission. Even so, individual discoveries of planets orbiting nearby stars are very important for studies of characterization and near-term follow-up prospects. The recent discovery of a terrestrial planet candidate orbiting Proxima Centauri presents numerou...
متن کاملOn the habitability of exoplanets orbiting Proxima Centauri
En este trabajo se aplica un modelo matemático de fotosíntesis para estimar la habitabilidad de un planeta hipotético orbitando Próxima del Centauro dentro de la zona de habitabilidad. Los resultados sugieren viabilidad apreciable para la productividad biológica, si los organismos presentes han evolucionado hasta desarrollar la capacidad de utilizar luz infrarroja para la fotosíntesis. We apply...
متن کاملCalculations of periodicity from Hα profiles of Proxima Centauri
In this report the stellar rotation signal for Proxima Centauri is investigated. High-resolution spectra taken with UVES and HARPS of Proxima Centauri over a 13-year period is used as well as photometric observations of Proxima Centauri from ASAS and HST. The Hα equivalent width and Hα index are measured (and found to be very similar), together with other measurements, skewness and kurtosis and...
متن کاملThe Habitability of Proxima Centauri b: Environmental States and Observational Discriminants
Proxima Centauri b provides an unprecedented opportunity to understand the evolution and nature of terrestrial planets orbiting M dwarfs. Although Proxima Cen b orbits within its star's habitable zone, multiple plausible evolutionary paths could have generated different environments that may or may not be habitable. Here, we use 1-D coupled climate-photochemical models to generate self-consiste...
متن کاملThe moderate magnetic field on the flare star Proxima Centauri
We report moderate magnetic flux of 450 G< B f < 750 G (3σ) on the nearby M5.5 flare star Proxima Centauri. A high resolution UVES spectrum was used to measure magnetic flux from Zeeman broadening in absorption lines of molecular FeH around 1 μm. The magnetic flux we find is relatively weak compared with classical strong flare stars, but so are Proximas flaring rates and actual emission levels....
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2016
ISSN: 2041-8213
DOI: 10.3847/2041-8205/833/1/l4