activity
20082026
most citedA giant planet imaged in the disk of the young star Beta Pictoris

910 citations · 13.7k across the 253 of their papers we have counts for

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Showing 2018Show all

31 papers · 1 filter

astro-ph.SR2018★ 49 cited

SPHERE dynamical and spectroscopic characterization of HD142527B

R. Claudi, A. -L. Maire, D. Mesa +50

We detect the accreting low-mass companion HD142527B at a separation of 73 mas (11.4 au) from the star. No other companions with mass greater than 10 MJ are visible in the field of…

astro-ph.EP2018★ 52 cited

Spectral and orbital characterisation of the directly imaged giant planet HIP 65426 b

A. C. Cheetham, M. Samland, S. S. Brems +38

HIP 65426 b is a recently discovered exoplanet imaged during the course of the SPHERE-SHINE survey. Here we present new and observations of the planet from the NACO instr…

astro-ph.EP2018★ 83 cited

A search for accreting young companions embedded in circumstellar disks: High-contrast H imaging with VLT/SPHERE

G. Cugno, S. P. Quanz, S. Hunziker +37

Aims: We want to detect and quantify observables related to accretion processes occurring locally in circumstellar disks, which could be attributed to young forming planets. We foc…

astro-ph.SR2018★ 6 cited

Dynamical masses of M-dwarf binaries in young moving groups: II - Toward empirical mass-luminosity isochrones

Markus Janson, Stephen Durkan, Mickael Bonnefoy +6

Low-mass stars exhibit substantial pre-main sequence evolution during the first ~100 Myrs of their lives. Thus, young M-type stars are prime targets for isochronal dating, especial…

astro-ph.SR2018★ 16 cited

Mapping of shadows cast on a protoplanetary disk by a close binary system

V. D'Orazi, R. Gratton, S. Desidera +47

For a comprehensive understanding of planetary formation and evolution, we need to investigate the environment in which planets form: circumstellar disks. Here we present high-cont…

astro-ph.IM2018★ 33 cited

Telluric correction in the near-infrared: Standard star or synthetic transmission?

S. Ulmer-Moll, P. Figueira, J. J. Neal +2

Context. The atmospheric absorption of the Earth is an important limiting factor for ground-based spectroscopic observations and the near-infrared and infrared regions are the most…

astro-ph.EP2018★ 23 cited

VLT/SPHERE Multi-Wavelength High-Contrast Imaging of the HD 115600 Debris Disk: New Constraints on the Dust Geometry and the Presence of Young Giant Planets

Aidan Gibbs, Kevin Wagner, Daniel Apai +5

Young and dynamically active planetary systems can form disks of debris that are easier to image than the planets themselves. The morphology and evolution of these disks can help t…

astro-ph.SR2018★ 59 cited

A Search for Variability in Exoplanet Analogues and Low-Gravity Brown Dwarfs

Johanna M. Vos, Beth A. Biller, Mariangela Bonavita +18

We report the results of a -band survey for photometric variability in a sample of young, low-gravity objects using the New Technology Telescope (NTT) and the United Kingdom Inf…

astro-ph.EP2018★ 4 cited

K2 Targets Observed with SPHERE/VLT: An M4-7 Dwarf Companion Resolved around EPIC 206011496

Roxanne Ligi, Olivier Demangeon, Susana Barros +6

The quest to discover exoplanets is one of the most important missions in astrophysics, and is widely performed using the transit method, which allows for the detection of exoplane…

astro-ph.EP2018★ 74 cited

The LEECH Exoplanet Imaging Survey: Limits on Planet Occurrence Rates Under Conservative Assumptions

Jordan M. Stone, Andrew J. Skemer, Philip M. Hinz +33

We present the results of the largest (m) direct imaging survey for exoplanets to date, the Large Binocular Telescope Interferometer (LBTI) Exozodi Exoplanet Co…

astro-ph.EP2018★ 42 cited

High-Contrast study of the candidate planets and protoplanetary disk around HD~100546

E. Sissa, R. Gratton, A. Garufi +62

The nearby Herbig Be star HD100546 is known to be a laboratory for the study of protoplanets and their relation with the circumstellar disk that is carved by at least 2 gaps. We ob…

astro-ph.SR2018★ 1 cited

Orbital characterization of GJ1108A system, and comparison of dynamical mass with model-derived mass for resolved binaries

T. Mizuki, M. Kuzuhara, K. Mede +55

We report an orbital characterization of GJ1108Aab that is a low-mass binary system in pre-main-sequence phase. Via the combination of astrometry using adaptive optics and radial v…

astro-ph.EP2018★ 6 cited

Exoplanet Atmosphere Measurements from Direct Imaging

Beth A. Biller, Mickaël Bonnefoy

In the last decade, about a dozen giant exoplanets have been directly imaged in the IR as companions to young stars. With photometry and spectroscopy of these planets in hand from…

astro-ph.EP2018★ 700 cited

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

M. Keppler, M. Benisty, A. Müller +123

Young circumstellar disks are of prime interest to understand the physical and chemical conditions under which planet formation takes place. Only very few detections of planet cand…

astro-ph.EP2018★ 80 cited

The GJ 504 system revisited. Combining interferometric, radial velocity, and high contrast imaging data

M. Bonnefoy, K. Perraut, A. -M. Lagrange +79

The G-type star GJ504A is known to host a 3 to 35 MJup companion whose temperature, mass, and projected separation all contribute to make it a test case for the planet formation th…

astro-ph.EP2018★ 263 cited

Orbital and atmospheric characterization of the planet within the gap of the PDS 70 transition disk

A. Müller, M. Keppler, Th. Henning +43

Aims: We aim to characterize the orbital and atmospheric properties of PDS 70 b, which was first identified on May 2015 in the course of the SHINE survey with SPHERE, the extreme a…

astro-ph.EP2018★ 20 cited

Imaging radial velocity planets with SPHERE

A. Zurlo, D. Mesa, S. Desidera +37

We present observations with the planet finder SPHERE of a selected sample of the most promising radial velocity (RV) companions for high-contrast imaging. Using a Monte Carlo simu…

astro-ph.SR2018★ 20 cited

Dynamical masses of M-dwarf binaries in young moving groups: I - The case of TWA 22 and GJ 2060

L. Rodet, M. Bonnefoy, S. Durkan +48

Evolutionary models are widely used to infer the mass of stars, brown dwarfs, and giant planets. Their predictions are thought to be less reliable at young ages ( 200 Myr) and i…

astro-ph.SR2018★ 8 cited

Radial velocity survey of spatially resolved young, low-mass binaries

Stephen Durkan, Markus Janson, Simona Ciceri +6

The identification and characterisation of low-mass binaries is of importance for a range of astrophysical investigations. Low-mass binaries in young ( Myr) moving g…

astro-ph.EP2018★ 221 cited

Global Climate and Atmospheric Composition of the Ultra-Hot Jupiter WASP-103b from HST and Spitzer Phase Curve Observations

Laura Kreidberg, Michael R. Line, Vivien Parmentier +12

We present thermal phase curve measurements for the hot Jupiter WASP-103b observed with Hubble/WFC3 and Spitzer/IRAC. The phase curves have large amplitudes and negligible hotspot…

astro-ph.EP2018★ 25 cited

Orbital and spectral analysis of the benchmark brown dwarf HD 4747B

S. Peretti, D. Ségransan, B. Lavie +43

The study of high contrast imaged brown dwarfs and exoplanets depends strongly on evolutionary models. To estimate the mass of a directly imaged substellar object, its extracted ph…

astro-ph.IM2018★ 126 cited

Astrometric and photometric accuracies in high contrast imaging: The SPHERE speckle calibration tool (SpeCal)

R. Galicher, A. Boccaletti, D. Mesa +21

The consortium of the Spectro-Polarimetric High-contrast Exoplanet REsearch installed at the Very Large Telescope (SPHERE/VLT) has been operating its guaranteed observation time (2…

astro-ph.EP2018★ 34 cited

New disk discovered with VLT/SPHERE around the M star GSC 07396-00759

E. Sissa, J. Olofsson, A. Vigan +30

Debris disks are usually detected through the infrared excess over the photospheric level of their host star. The most favorable stars for disk detection are those with spectral ty…

astro-ph.SR2018★ 46 cited

Resolving faint structures in the debris disk around TWA7

J. Olofsson, R. G. van Holstein, A. Boccaletti +51

Debris disks are the intrinsic by-products of the star and planet formation processes. Most likely due to instrumental limitations and their natural faintness, little is known abou…