M. Llored

The SPHERE infrared survey for exoplanets (SHINE)

A. Chomez, P. Delorme, A. M. Lagrange, R. Gratton et autres

Context. Over the past decade, large surveys with state-of-the-art planet-finder instruments such as Spectro-Polarimetric High-contrast Exoplanet REsearch on board Very Large Telescope (SPHERE@VLT), coupled with coronagraphic devices and extreme adaptive optics (AO) systems, have unveiled around 20 planetary mass companions at a …

fr, it, cl, de, ch, us, ie, nl, gb, se (code pays fourni par la source)

The SPHERE infrared survey for exoplanets (SHINE). V. Complete observations, data reduction and analysis, detection performances, and final results

A. Chomez, P. Delorme, A.‐M. Lagrange, R. Gratton et autres

During the past decade, state-of-the-art planet-finder instruments like SPHERE@VLT, coupling coronagraphic devices and extreme adaptive optics systems, unveiled, thanks to large surveys, around 20 planetary mass companions at semi-major axis greater than 10 astronomical units. Direct imaging being the only detection technique …

Constraining masses and separations of unseen companions to five accelerating nearby stars

D. Mesa, M. Bonavita, S. Benatti, R. Gratton et autres

Aims. In this work, we aim to constrain the masses and separations of potential substellar companions to five accelerating stars (HIP 1481, HIP 88399, HIP 96334, HIP 30314, and HIP 116063) using multiple data sets acquired with different techniques. Methods. Our targets …

it, gb, fr, de, se, ch, us, cl, nl, be (code pays fourni par la source)

The SPHERE infrared survey for exoplanets (SHINE)

M. Langlois, R. Gratton, A.‐M. Lagrange, P. Delorme et autres

Context. In recent decades, direct imaging has confirmed the existence of substellar companions (exoplanets or brown dwarfs) on wide orbits (>10 au) around their host stars. In striving to understand their formation and evolution mechanisms, in 2015 we initiated the SPHERE infrared …

fr, it, be, de, cl, ch, us, gb, se, ru, nl (code pays fourni par la source)

HARMONI: first light spectroscopy for the ELT: instrument final design and quantitative performance predictions

Niranjan Thatte, Ian Bryson, Fraser Clarke, Vanessa Ferraro-Wood et autres

HARMONI is the adaptive optics assisted, near-infrared and visible light integral field spectrograph for the Extremely Large Telescope (ELT). A first light instrument, it provides the work-horse spectroscopic capability for the ELT. As the project approaches its Final Design Review milestone, the …

gb, fr, es (code pays fourni par la source)

The SPHERE infrared survey for exoplanets (SHINE)

A. Vigan, C. Fontanive, M. Meyer, Beth Biller et autres

The SpHere INfrared Exoplanet (SHINE) project is a 500-star survey performed with SPHERE on the Very Large Telescope for the purpose of directly detecting new substellar companions and understanding their formation and early evolution. Here we present an initial statistical analysis for …

fr, ch, it, us, de, gb, be, cl, nl, se (code pays fourni par la source)

Spirals inside the millimeter cavity of transition disk SR 21

G. A. Muro-Arena, C. Ginski, C. Dominik, M. Benisty et autres

Context. Hydrodynamical simulations of planet-disk interactions suggest that planets may be responsible for a number of the substructures frequently observed in disks in both scattered light and dust thermal emission. Despite the ubiquity of these features, direct evidence of planets embedded in …

nl, fr, cl, de, se, ch, gb (code pays fourni par la source)

Optical polarised phase function of the HR 4796A dust ring

J. Milli, N. Engler, H. M. Schmid, J. Olofsson et autres

Context. The scattering properties of the dust originating from debris discs are still poorly known. The analysis of scattered light is however a powerful remote-sensing tool to understand the physical properties of dust particles orbiting other stars. Scattered light is indeed widely …

cl, ch, de, fr, sk, nl (code pays fourni par la source)

First resolved observations of a highly asymmetric debris disc around HD 160305 with VLT/SPHERE

C. Perrot, P. Thébault, Anne- Marie Lagrange, A. Boccaletti et autres

Context. Direct imaging of debris discs gives important information about their nature, their global morphology, and allows us to identify specific structures possibly in connection with the presence of gravitational perturbers. It is the most straightforward technique to observe planetary systems as …

fr, cl, it, be, de, gb, ch (code pays fourni par la source)

VizieR Online Data Catalog: HR4796A dust ring Stokes images (Milli+, 2019)

J. Milli, N. Engler, H. M. Schmid, J. Olofsson et autres

Post-conjunction detection of β Pictoris b with VLT/SPHERE

A.-M. Lagrange, A. Boccaletti, M. Langlois, G. Chauvin et autres

Context. With an orbital distance comparable to that of Saturn in the solar system, β Pictoris b is the closest (semi-major axis ≃9 au) exoplanet that has been imaged to orbit a star. Thus it offers unique opportunities for detailed studies of …

fr, cl, it, ch, de, us, gb, se, nl (code pays fourni par la source)

Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70★★★

M. Keppler, M. Benisty, A. Müller, Th. Henning et autres

Context. Young circumstellar disks are the birthplaces of planets. Their study is of prime interest to understand the physical and chemical conditions under which planet formation takes place. Only very few detections of planet candidates within these disks exist, and most of …

de, fr, cl, nl, gb, it, ch, hu, us, se, au (code pays fourni par la source)