A Close-up View of the Young Circumbinary Disk HD 142527
نویسندگان
چکیده
منابع مشابه
The Circumbinary Disk of Hd 98800b: Evidence for Disk Warping
The quadruple young stellar systemHD 98800 consists of two spectroscopic binary pairs with a circumbinary disk around the B component. Recent work by Boden and collaborators using infrared interferometry and radial velocity data resulted in a determination of the physical orbit for HD 98800B. We use the resulting inclination of the binary and the measured extinction toward the B component stars...
متن کاملA Single Circumbinary Disk in the HD 98800 Quadruple System.
We present subarcsecond thermal infrared imaging of HD 98800, a young quadruple system composed of a pair of low-mass spectroscopic binaries separated by 0&farcs;8 (38 AU), each with a K-dwarf primary. Images at wavelengths ranging from 5 to 24.5 µm show unequivocally that the optically fainter binary, HD 98800B, is the sole source of a comparatively large infrared excess on which a silicate em...
متن کاملCo Gas inside the Protoplanetary Disk Cavity in Hd 142527: Disk Structure from Alma
Inner cavities and annular gaps in circumstellar disks are possible signposts of giant planet formation. The young star HD 142527 hosts a massive protoplanetary disk with a large cavity that extends up to 140 au from the central star, as seen in continuum images at infrared and millimeter wavelengths. Estimates of the survival of gas inside disk cavities are needed to discriminate between clear...
متن کاملNear - Infrared Imaging Polarimetry of HD 142527 ?
Context. HD 142527 is a pre-transition disk with strong evidence for on-going planet formation. Recent observations show a disrupted disk with spiral arms, a dust-depleted inner cavity and the possible presence of gas streams driving gas from the outer disk towards the central star. Aims. We aim to derive the morphology of the disk, as well as the distribution and properties of the dust at its ...
متن کاملThe Asymmetric Thermal Emission of Protoplanetary Disk Surrounding HD 142527 Seen by Subaru/COMICS
Mid-infrared (MIR) images of the Herbig Ae star HD 142527 were obtained at 18.8 and 24.5 μm with the Subaru/COMICS. Bright extended arc-like emission (outer disk) is recognized at r = 0. 85 together with a strong central source (inner disk) and a gap around r = 0. 6 in the both images. Thermal emission of the eastern side is much brighter than that of the western side in the MIR. We estimate th...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2017
ISSN: 1538-4357
DOI: 10.3847/1538-4357/aa696c