[PDF] Top 20 Spiral Arms in the Disk of HD 142527 from CO Emission Lines with ALMA
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Spiral Arms in the Disk of HD 142527 from CO Emission Lines with ALMA
... ABSTRACT In view of both the size of its gap and the previously reported asymmetries and near-infrared spiral arms, the transition disk of the ... Voir le document complet
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Spiral arms in the disk of HD 142527 from CO emission lines with ALMA
... Abstract With its large gap and previously reported near-IR asymmetries and spiral arms, the tran- sition disk of Herbig Fe star HD 142527 constitutes a remarkable ... Voir le document complet
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CO spiral arms in the outer disk of HD 142527 with ALMA
... => The disk is globally stable, but close to the instability ...by ALMA (G. Dipierro et al. in prep.) . 4. Summary • HD 142527 displays a large gap and both near-IR and ... Voir le document complet
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CO spiral arms in the outer disk of HD 142527 with ALMA
... > A planet on an eccentric orbit or multiple planets can create branching spiral arms as observed for S1 with SPHERE.. > Does not explain large scale spirals..[r] ... Voir le document complet
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Evidence of an asymmetrical Keplerian disk in the Brγ and He I emission lines around the Be star HD 110432
... for the best-fit asymmetric Gaussian disk and the antisymmetric spiral are ...for the symmetrical model (see section 5). For both types of models, the best-fit model was ... Voir le document complet
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Spatially Resolved HCN J = 4-3 and CS J = 7-6 Emission from the Disk around HD 142527
... (HD 142527) ...observations of proto- planetary disks with a gap or central hole, ...rich in azimuthal struc- ture. These asymmetries can be divided in two groups that either ... Voir le document complet
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CO Gas Inside the Protoplanetary Disk Cavity in HD 142527: Disk Structure from ALMA
... HD 142527 cavity 9 F IG . 6.— HD 142527 disk profile cuts extracted from the zeroth order moment maps (at ...red lines show integrated intensity of 345 GH ... Voir le document complet
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Spiral arms in the disk of HD 142527 with ALMA
... T(S2) < 18K => CO should freeze-out (e.g. Leger 83; Qi+ 11) => dust depleted or settled (e.g. Dubrulle+ 95; Dullemond & Dominik 04) and/or CO desorbed (e.g. Hersant 09) T(gap)~42K (Fukagawa+ ... Voir le document complet
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Discovery of concentric broken rings at sub-arcsec separations in the HD 141569A gas-rich, debris disk with VLT/SPHERE
... Observing the short phase of transition between gas-rich proto- planetary disks and dust-dominated debris disks is crucial to con- strain the time when planets start to form as well as the ... Voir le document complet
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ALMA view of RX J1131-1231: Sub-kpc CO (2-1) mapping of a molecular disk in a lensed star-forming quasar host galaxy
... to the datasets available for RX J1131-1231 by taking ALMA contin- uum and spectral-line imaging in the extended configuration (out to ...baselines). The data, obtained in Band 4 ... Voir le document complet
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Eclipse of the B3V companion and flaring of emission lines in V838 Monocerotis
... After four years during which only the spectacular light echo was showing continuous and rapid evolution while the central star was nearly constant, in autumn 2006 V838 Mon began a seque[r] ... Voir le document complet
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Discovery of a Companion Candidate in the HD 169142 Transition Disk and the Possibility of Multiple Planet Formation
... adopted the GPI pipeline (Maire et ...convert the data into spectral data cubes. In total, the data are made of 52 cubes, consisting of 37 spectral channels ...each. The ... Voir le document complet
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X-ray Emission from the Double-binary OB-star System QZ Car (HD 93206)
... and the OWN Team (Barba et ...results in advance of publication, Nolan Walborn for deriv- ing new spectral classifications from those data, as well as for useful discussions, and the ... Voir le document complet
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Azimuthal asymmetries in the debris disk around HD 61005. A massive collision of planetesimals?
... Conclusion In this study, we presented new VLT /SPHERE and ALMA ob- servations of the debris disk around the 40 Myr-old solar-type star HD ...both the radial and ... Voir le document complet
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The Circumstellar Disk HD 169142: Gas, Dust, and Planets Acting in Concert?
... acknowledge the ESO Paranal staff for their support during the ...for the useful discussions about this project. A.P. is supported by the Reimar- Lüst Fellowship of the Max ... Voir le document complet
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Accretion Kinematics through the Warped Transition Disk in HD142527 from Resolved CO(6-5) Observations
... outside the cavity, so that the CO temperature outside the cavity is probably not high enough to excite J = ...6. The disk position angle (PA) is defined as the ... Voir le document complet
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Does the Debris Disk around HD 32297 Contain Cometary Grains?
... The true SB of an edge-on debris disk a distance r away from the star is computed as follows: SBtrue r = SBmeasured r × PSF convolution correction ×aperture size correction × reduction b[r] ... Voir le document complet
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CHANDRA CHARACTERIZATION OF X-RAY EMISSION IN THE YOUNG F-STAR BINARY SYSTEM HD 113766
... spectroscopy of the close (1 4, or 170 AU separation), coeval (10–16 Myr old) F-star binary HD 113766 over 38 ...measures of this object —imaging, photometry, and spectroscopy —show a system ... Voir le document complet
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Present and future lines of the co-operative entrepreneurship in the Walloon agricultural sector
... by the social pillars of Belgian society (unions, mutual benefit societies, agricultural professional organizations, ...organizations with no social and political involvement. In Belgium, ... Voir le document complet
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Shock-induced polarized hydrogen emission lines in the Mira star o Ceti
... is the object of this ...to the asymptotic giant branch ...reach the AGB phase where hydrogen and helium burn in shells around a core of carbon and ...theories, the main ... Voir le document complet
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