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Browsing by Author "Marley, M. S"

Browsing by Author "Marley, M. S"

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  • Detecting exomoons around self-luminous giant exoplanets through polarization 
    Sengupta, S; Marley, M. S (IOP Publishing, 2016-06-20)
    Many of the directly imaged self-luminous gas-giant exoplanets have been found to have cloudy atmospheres. Scattering of the emergent thermal radiation from these planets by the dust grains in their atmospheres should ...
  • Detection of Polarization due to Cloud Bands in the Nearby Luhman 16 Brown Dwarf Binary 
    Millar-Blanchaer, M. A; Girard, J. H; Karalidi, T; Marley, M. S; van Holstein, R. G; Sengupta, S; Mawet, Dimitri; Kataria, Tiffany; Jos de Boer, F. S (IOP Publishing, 2020-05-01)
    Brown dwarfs exhibit patchy or spatially varying banded cloud structures that are inferred through photometric and spectroscopic variability modeling techniques. However, these methods are insensitive to rotationally ...
  • Multiple scattering polarization of substellar-mass objects: T dwarfs 
    Sengupta, S; Marley, M. S (American Astronomical Society, 2009-12-10)
    While there have been multiple observational programs aimed at detecting linear polarization of optical radiation emitted by ultracool dwarfs, there has been comparatively less rigorous theoretical analysis of the problem. ...
  • Observed polarization of brown dwarfs suggests low surface gravity 
    Sengupta, S; Marley, M. S (IOP Publishing, 2010-10-20)
    Light scattering by atmospheric dust particles is responsible for the polarization observed in some L dwarfs. Whether this polarization arises from an inhomogeneous distribution of dust across the disk or an oblate shape ...
  • A Search for Polarized Thermal Emission from Directly Imaged Exoplanets and Brown Dwarf Companions to Nearby Stars 
    Jensen-Clem, R; Millar-Blanchaer, M. A; van Holstein, R. G; Mawet, Dimitri; Graham, J; Sengupta, S; Marley, M. S; Snik, Frans; Vigan, A; Hinkley, S; de Boer, Jos; Girard, J. H; De Rosa, R. J; Bowler, B. P; Wiktorowicz, S. J; Perrin, M. D; Crepp, J. R; Macintosh, B (IOP Publishing, 2020-12)
    Aerosols in the atmospheres of cloudy gas giant exoplanets and brown dwarfs scatter and polarize these objects' thermal emission. If such an object has an oblate shape or nonuniform cloud distribution, the net degree of ...

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