activity
20092015
most citedDust in brown dwarfs and extra-solar planets II. Cloud formation for cosmologically evolving abundances

133 citations · 498 across the 9 of their papers we have counts for

collaborators

9 papers

astro-ph.SR2015★ 52 cited

Characterization of Low-mass, Wide-separation Substellar Companions to Stars in Upper Scorpius: Near-infrared Photometry and Spectroscopy

François-René Lachapelle, David Lafrenière, Jonathan Gagné +4

We present new 0.9-2.45 m spectroscopy (), and , , , , photometry, obtained at Gemini North, of three low-mass brown dwarf companions on wi…

astro-ph.EP2012★ 14 cited

Dust cloud lightning in extraterrestrial atmospheres

Christiane Helling, Moira Jardine, Declan Diver +1

Lightning is present in all solar system planets which form clouds in their atmospheres. Cloud formation outside our solar system is possible in objects with much higher temperatur…

astro-ph.EP2012★ 74 cited

Spectroscopy across the brown dwarf/planetary mass boundary - I. Near-infrared JHK spectra

J. Patience, R. R. King, R. J. De Rosa +5

With a uniform VLT SINFONI data set of nine targets, we have developed an empirical grid of J,H,K spectra of the atmospheres of objects estimated to have very low substellar masses…

astro-ph.EP2011★ 27 cited

The influence of non-isotropic scattering of thermal radiation on spectra of brown dwarfs and hot exoplanets

R. J. de Kok, Ch. Helling, D. M. Stam +2

(abridged) We calculate near-infrared thermal emission spectra using a doubling-adding radiative transfer code, which includes scattering by clouds and haze. Initial temperature pr…

astro-ph.SR2011★ 16 cited

Detecting Planets around Very Cool Dwarfs at Near Infrared Wavelengths with the Radial Velocity Technique

Florian Rodler, Carlos del Burgo, Soeren Witte +4

Context. Radial velocity monitoring of very cool dwarfs such as late M- and hot L-dwarfs has become a promising tool to search for rocky planets as well as to follow-up planetary c…

astro-ph.SR2011★ 82 cited

Discovery of a ~23 Mjup Brown Dwarf Orbiting ~700 AU from the Massive Star HIP 78530 in Upper Scorpius

David Lafrenière, Ray Jayawardhana, Markus Janson +3

We present the discovery of a substellar companion on a wide orbit around the ~2.5 Msun star HIP 78530, which is a member of the 5 Myr-old Upper Scorpius association. We have obtai…