TESS reveals an improbable planet
Using asteroseismology, a team, led by an Instituto de Astrofísica e Ciências do Espaço (IA) researcher, studied two red-giant stars known to have exoplanets, and in one of them found a seemingly improbable planet.
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Astrophysicists use artificial intelligence to determine exoplanets sizes
A team of Instituto de Astrofísica e Ciências do Espaço researchers developed a way to constrain the radius of an exoplanet knowing its mass, using a machine learning technique.
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From Venus to other worlds
Unprecedented precision in the measurements of winds on Venus made use of an instrument built to study exoplanets, in a work led by researchers of Instituto de Astrofísica e Ciências do Espaço (IA).
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Astronomers observe a Cosmic Jellyfish
An international team, with the participation of an Instituto de Astrofísica e Ciências do Espaço (IA) researcher, used data from the ALMA radiotelescope to produce a detailed map of the gas tails of the ESO137-001 galaxy.
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Gaia-ESO survey helps to estimate the age of giant stars
With data from this survey, partly analyzed by the Instituto de Astrofísica e Ciências do Espaço (IA), researchers determined that the C/N abundance ratio can be used to estimate the age of giant stars.
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A new measurement technique found at the frontier between Physics and Astronomy
The scattering of laser light in the atmosphere enables the measurement of the accuracy of astronomical spectrographs, through a technique demonstrated for the first time with the participation of researchers of the Instituto de Astrofísica e Ciências do Espaço.
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Three regions on the sky selected for the dive into the deep Universe
The Euclid space telescope knows already where and when to dive deep in the dark Universe, and the locations on the sky have been chosen with the collaboration of researchers of the Instituto de Astrofísica e Ciências do Espaço (IA).
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TESS first light on stellar physics
Among 32 thousand stars observed, a team led by a researcher of the Instituto de Astrofísica e Ciências do Espaço discovered five rare stars of a subgroup of peculiar magnetic stars that are authentic stellar laboratories.
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Forecasting the hunt for the first supermassive black holes
A study predicting the number of supermassive black holes in the early Universe within the reach of future X-ray and radio observatories was led by the Instituto de Astrofísica e Ciências do Espaço (IA).
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On Pluto the Winter is approaching, and the atmosphere is vanishing into frost
A study that gathers fourteen years of observations of Pluto had the participation of Instituto de Astrofísica e Ciências do Espaço (IA).
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