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December 19, 2018, 4:47 pm
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current pressure: 1020 mb
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sunrise: 7:47 am
sunset: 4:37 pm
 

THESEUS

THESEUS

A new window on the early universe and the multi-messenger transient sky

LEGUS Project

Legacy Extragalactic UV Survey

NASA Press Release

INAF NEWS

Per maggiori Informazioni

Gaia16aye: the first binary microlensing event ever discovered towards the Galactic Plane

Image of Gaia16aye obtained at the 1.5m G.D. Cassini Telescope, Loiano.

On 2016-08-05 the 1.2 mag brightening of an otherwise quiet stellar source triggered the Gaia16aye Gaia Science Alert, nicknamed Ayers Rock (19:40:01.13 +30:07:53.4, J2000). The previous 22 Gaia detections of the source (starting from 2014-10-30) show no variability greater than 0.05m RMS. The initial spectrophotometric observations did not clarify the nature of the

…→ Read More: Gaia16aye: the first binary microlensing event ever discovered towards the Galactic Plane

Characterizing faint galaxies at the epoch of reionization

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The epoch of reionization marks a major phase transition of the Universe, during which the intergalactic space became transparent to UV photons. Determining when this occurred, the physical processes involved and the sources of ionizing radiation represents one of the major goals in observational cosmology. This topic inevitably requires the investigation of distant

…→ Read More: Characterizing faint galaxies at the epoch of reionization

The mass distribution of galaxy clusters: a remarkable agreement between theory and observations

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Galaxy clusters are the largest and most recently formed cosmic structures in the universe, of which their content is expected to reflect the overall matter composition. They are dominated by the elusive substance that we call dark matter, but they also contain a smaller fraction of matter in the form of gas and stars. Although

…→ Read More: The mass distribution of galaxy clusters: a remarkable agreement between theory and observations