Massimo Luciani

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The NGC 6334I star formation region studied at the highest possible frequencies for the ALMA radio telescope

An article published in the journal “Astrophysical Journal Letters” presents the first results of a pilot program to investigate at the highest possible frequencies for the ALMA radio telescope. A team of researchers used the NGC 6334I star formation region within the Cat’s Paw Nebula as a target for observations in what is called band 10 detecting glycolaldehyde and a compact bipolar outflow containing heavy water and carbon monosulfide from the protostar MM1B.

HDUV GOODS-North Field Compass (Image NASA, ESA, P. Oesch (University of Geneva), and M. Montes (University of New South Wales))

An article published in the journal “Astrophysical Journal Supplement Series” presents the Hubble Deep UV (HDUV) Legacy Survey program, a great panorama of the universe’s evolutionary history based on observations carried out with the Hubble Space Telescope. A team of researchers exploited Hubble’s ultraviolet detection capabilities, combining it with infrared and visible light observations, also from other telescopes, to extend previous surveys with a field of view that includes about 15,000 galaxies, including 12,000 in which there’s star formation.

A Hot DOG galaxy seen at X-rays

An article to be published in the journal “Astronomy & Astrophysics” describes the first detailed X-ray observation of a galaxy cataloged as W1835+4355 of a rare type because at its center there’s a quasar of the Hot DOG (Hot Dust-Obscured Galaxies) type. A team led by Luca Zappacosta of INAF in Rome, Italy, used data collected by ESA’s XMM-Newton and NASA’s NuSTAR space telescopes to obtain the most accurate X-ray emission detections from a Hot DOG galaxy. This will be useful to better understand the nature of this type of galaxies and the activity of the supermassive black hole at their center.

Simulated views of WASP-121b (Image NASA/JPL-Caltech/Aix-Marseille University (AMU))

An article published in the journal “Astronomy & Astrophysics” describes a research on gas giant planets very close to their star. A team of researchers used observations made with Hubble and Spitzer space telescopes and computer simulations to study in particular the characteristics of the atmosphere of the exoplanet WASP-121b but also of other similar ones, called ultrahot Jupiters. They’re so close to their stars that their dayside has very high temperatures and are in some ways more similar to a star than a planet.