The debris disk around HD 107146
A Resolved Debris Disk around the G2V star HD
... Kenyon & Bromley (8) show that increased collisions among planetesimals due to the formation of planets with radii larger than 1000 km can generate dust rings. In their models, the outer edge of the ring marks the ...
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A gap in the planetesimal disc around HD 107146 and asymmetric warm dust emission revealed by ALMA
... tion, debris discs provide a unique opportunity to study the outer regions of planetary ...logue HD 107146 that reveal the radial structure of its exo-Kuiper belt at wavelengths of ...date, HD ...
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The REASONS Survey : resolved millimeter observations of a large debris disk around the nearby F Star HD 170773
... Abstract Debris disks are extrasolar analogs to our own Kuiper Belt and they are detected around at least 17% of nearby Sun-like ...a disk encode information about its history, as well as that of any ...
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ALMA Observations of the Molecular Gas in the Debris Disk of the 30 Myr Old Star HD 21997
... the HD 21997 gas disk, we fit the spatial and velocity distributions of the observed CO emission with a simple disk geometry combined with a Keple- rian velocity ...outer disk radii (r in , r ...
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A DEBRIS disk around the planet hosting M-star GJ 581 spatially resolved with Herschel
... is unconstrained although objects larger than 10 cm contribute negligibly to the emission at the wavelengths considered in this paper. Nonetheless, the size distribution probably extends be- yond 10 cm as discussed in ...
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Discovery of concentric broken rings at sub-arcsec separations in the HD 141569A gas-rich, debris disk with VLT/SPHERE
... Aims. We endeavor to study the very inner region of the well-known and complex debris, but still gas-rich disk, around HD 141569A using the exquisite high-contrast capability of SPHERE at the ...
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A circumbinary debris disk in a polluted white dwarf system
... These observations therefore support a picture where additional mechanisms can promote plan- etesimal growth in the terrestrial zones of close binary stars, which are predicted to be sub- stantially wider than in planet ...
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A circumbinary debris disk in a polluted white dwarf system
... These observations therefore support a picture where additional mechanisms can promote plan- etesimal growth in the terrestrial zones of close binary stars, which are predicted to be sub- stantially wider than in planet ...
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Debris disks around stars in the NIKA2 era
... Figure 2. Proof of concept to test the possibility of a change in the spectral index at millimeter wave- lengths in the SED of the debris disk around HD107146. Left : standard model using a single ...
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Resolving faint structures in the debris disk around TWA 7: Tentative detections of an outer belt, a spiral arm, and a dusty cloud
... the disk (a reasonable assumption for optically thin debris disks and the fact that the disk is seen at low inclination), the U φ image should not contain any astrophysical signal (Canovas et ...the ...
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Direct Imaging of the HD 35841 Debris Disk: A Polarized Dust Ring from Gemini Planet Imager and an Outer Halo from HST/STIS
... halo around the young star HD ...of debris down to a projected separation of ∼ 12 au ( ∼ 0 00 ...scattered-light disk indicates that the ring spans radii of ∼ 60–220 au, has a vertical ...
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The dynamical structure of HR 8799’s inner debris disk
... two debris belts, has an architecture closely mirroring that of our Solar system where the inner, warm asteroid belt and outer, cool Edgeworth-Kuiper belt bracket the giant ...and debris ...
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A Herschel resolved debris disc around HD 105211
... disc around its host ...observed HD 105211 ( η Cru, HIP 59072) with its Photodetector Array Camera and Spectrometer (PACS) instrument in three far-infrared wavebands (70, 100 and 160 ...
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Constraining the Gap Size in the Disk around HD 100546 in the Mid-infrared
... the disk of HD 100546 in the N ...outer disk estimated for each observation is consistent with the separation obtained from the geometrical ...of HD 100546 measured by GAIA, ∼13% larger than ...
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ALMA Hints at the Presence of two Companions in the Disk around HD 100546
... molecular disk (390 ± 20 AU in radius) whereas the continuum emission is more compact (230 ± 20 AU in radius), suggesting radial drift of the millimeter-sized ...
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Discovery of delta Scuti Pulsations in the Young Hybrid Debris Disk Star HD 156623
... star HD 156623, which hosts a gas-rich debris ...compare HD 156623 to other pre-MS δ Scuti stars on a Kiel diagram with theoretical pre-MS and early ZAMS evolutionary ...tracks. HD 156623 is ...
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First detections of H¹³CO+ and HC¹⁵N in the disk around HD 97048: Evidence for a cold gas reservoir in the outer disk
... disks around Herbig Ae/Be stars with ALMA so far have shown the incredible potential of these sources as laboratories to study giant planet ...the disk molecules H 13 CO + and HC 15 N, are may be tracing ...
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Probing midplane CO abundance and gas temperature with DCO+ in the protoplanetary disk around HD 169142
... cold disk model case, a decrease of 2 K in the gas temperature provides an improved fit to the DCO + radial profile but still fails to fully recover much of the DCO + between 80–140 ...cold disk model ...
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Flow around an inclined circular disk
... flow around an inclined circular ...the disk is 50 and the inclination angle (α) is considered over the range of 0 ◦ 6 α 6 80 ◦ , where α = 0 ◦ refers to the condition where the flow is normal to the ...
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A gas density drop in the inner 6 AU of the transition disk around the Herbig Ae star HD 139614 : Further evidence for a giant planet inside the disk?
... inner disk structure of HD ...transition disk shape of HD 139614, its location would be at around 4 AU and its mass would be lower than 2 Jupiter ...inner disk might lead to a ...
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