Browsing by Subject "Techniques high angular resolution"

Now showing items 1-8 of 8

    • A direct imaging survey of spitzer-detected debris disks: occurrence of giant planets in dusty systems 
      Meshkat, Tiffany; Mawet, Dimitri; Bryan, Marta L.; Hinkley, Sasha; Bowler, Brendan P.; Stapelfeldt, Karl R.; Batygin, Konstantin; Padgett, Deborah; Morales, Farisa Y.; Serabyn, Eugene; Christiaens, Valentin; Brandt, Timothy D.; Wahhaj, Zahed (IOP Publishing Ltd., 2017)
      We describe a joint high-contrast imaging survey for planets at the Keck and Very Large Telescope of the last large sample of debris disks identified by the Spitzer Space Telescope. No new substellar companions were ...
    • Connecting the shadows: probing inner disk geometries using shadows in transitional disks 
      Min, M.; Stolker, T.; Dominik, C.; Benisty, Myriam (EDP Sciences, 2017)
      Aims. Shadows in transitional disks are generally interpreted as signs of a misaligned inner disk. This disk is usually beyond the reach of current day high contrast imaging facilities. However, the location and morphology ...
    • Eccentricity in planetary systems and the role of binarity: sample definition, initial results, and the ... 
      Moutou, C.; Vigan, A.; Mesa, D.; Desidera, S.; Thebault, P.; Zurlo, A.; Salter, G. (EDP Sciences, 2017)
      We explore the multiplicity of exoplanet host stars with high-resolution images obtained with VLT/ SPHERE. Two different samples of systems were observed: one containing low-eccentricity outer planets, and the other ...
    • HD 169142 in the eyes of ZIMPOL/SPHERE 
      Bertrang, G. H. M.; Avenhaus, H.; Casassus Montero, Simón; Montesinos, M.; Kirchschlager, F.; Pérez, S.; Cieza, L.; Wolf, S. (Oxford University Press, 2018)
      We present new data of the protoplanetary disc surrounding the Herbig Ae/Be star HD 169142 obtained in the very broad-band (VBB) with the Zurich imaging polarimeter (ZIMPOL), a sub-system of the Spectro-Polarimetric ...
    • K2-140b – an eccentric 6.57 d transiting hot Jupiter in Virgo 
      Giles, H. A. C.; Bayliss, D.; Espinoza, N.; Jenkins, James Stewart; Pantoja, B.; Soto, M. (Oxford University Press, 2018)
      We present the discovery of K2-140b, a P = 6.57 d Jupiter-mass (M-P = 1.019 +/- 0.070 M-Jup) planet transiting a V = 12.5 (G5-spectral type) star in an eccentric orbit (e = 0.120(-0.046)(+0.056)) detected using a combination ...
    • Submilliarcsecond optical interferometry of the high-mass X-Ray binary BP Cru with VLTI/GRAVITY 
      Waisberg, I.; Dexter, J.; Pfuhl, O.; Kervella, P. (IOP Publishing Ltd, 2017)
      We observe the high-mass X-ray binary (HMXB) BP Cru using interferometry in the near-infrared K band with VLTI/GRAVITY. Continuum visibilities are at most partially resolved, consistent with the predicted size of the ...
    • Variable Dynamics in the Inner Disk of HD 135344B Revealed with Multi-epoch Scattered Light Imaging 
      Stolker, Tomas; Sitko, Mike; Lazareff, Bernard; Benisty, Myriam; Dominik, Carsten; Waters, Rens; Min, Michiel; Pérez, Sebastian; Milli, Julien; Garufi, Antonio; de Boer, Jozua; Ginski, Christian; Kraus, Stefan; Berger, Jean-Philippe; Avenhaus, Henning (IOP Publishing Ltd, 2017)
      We present multi-epoch Very Large Telescope/Spectro-Polarimetric High-contrast Exoplanet REsearch (VLT/SPHERE) observations of the protoplanetary disk around HD. 135344B (SAO 206462). The J-band scattered light imagery ...
    • VIP: Vortex Image Processing package for high-contrast direct imaging 
      Gómez González, Carlos; Wertz, Olivier; Absil, Olivier; Christiaens, Valentin; Defrere, Denis; Mawet, Dimitri; Milli, Julien; Absil, Pierre Antoine; Van Droogenbroeck, Marc; Cantalloube, Faustine; Philip, Hinz; Skemer, Andrew J.; Karlsson, Mikael; Surdej, Jean (IOP Publishing Ltd., 2017)
      We present the Vortex Image Processing (VIP) library, a python package dedicated to astronomical high-contrast imaging. Our package relies on the extensive python stack of scientific libraries and aims to provide a flexible ...