Rocking shadows in broken circumbinary discs
arXiv:2002.02983 · doi:10.1093/mnrasl/slaa026
Abstract
We use three dimensional simulations with coupled hydrodynamics and Monte Carlo radiative transfer to show that shadows cast by the inner disc in broken circumbinary discs move within a confined range of position angles on the outer disc. Over time, shadows appear to rock back and forth in azimuth as the inner disc precesses. The effect occurs because the inner disc precesses around a vector that is not the angular momentum vector of the outer disc. We relate our findings to recent observations of shadows in discs.
5 pages, 3 figures. Accepted for publication in MNRAS Letters. Movie of figure 1 available at https://youtu.be/jGYLuEx-I78
References in corpus (23)
- Phantom: A smoothed particle hydrodynamics and magnetohydrodynamics code for astrophysics
- Monte Carlo radiative transfer in protoplanetary disks
- Benchmark problems for continuum radiative transfer. High optical depths, anisotropic scattering, and polarisation
- Shadows cast by a warp in the HD 142527 protoplanetary disk
- Tearing up the disc: misaligned accretion on to a binary
- Observational Implications of Precessing Protostellar Discs and Jets
- Circumbinary, not transitional: On the spiral arms, cavity, shadows, fast radial flows, streamers and horseshoe in the HD142527 disc
- A Likely Close-In Low-Mass Stellar Companion to the Transitional Disk Star HD 142527
- Accretion kinematics through the warped transition disk in HD142527 from resolved CO(6-5) observations
- Signatures of broken protoplanetary discs in scattered light and in sub-millimetre observations
- Shadows and asymmetries in the T Tauri disk HD 143006: Evidence for a misaligned inner disk
- An inner warp in the DoAr 44 T Tauri transition disk
- Inclined Massive Planets in a Protoplanetary Disc: Gap Opening, Disc Breaking, and Observational Signatures
- An M-dwarf star in the transition disk of Herbig HD 142527; Physical parameters and orbital elements
- Variable Outer Disk Shadowing Around the Dipper Star RX J1604.3-2130
- Warping a protoplanetary disc with a planet on an inclined orbit
- CO emission tracing a warp or radial flow within 100 au in the HD 100546 protoplanetary disk
- Connecting the shadows: probing inner disk geometries using shadows in transitional disks
- Signatures of an eccentric disc cavity: Dust and gas in IRS 48
- ALMA Reveals a Misaligned Inner Gas Disk inside the Large Cavity of a Transitional Disk
- ALMA study of the HD 100453 AB system and the tidal interaction of the companion with the disk
- Time-resolved photometry of the young dipper RX J1604.3-2130A: Unveiling the structure and mass transport through the innermost disk
- Cooling in the shade of warped transition disks
Cited by in corpus (14)
- Transition disks: the observational revolution from SEDs to imaging
- Circumbinary and circumstellar discs around the eccentric binary IRAS 04158+2805 -- a testbed for binary-disc interaction
- HD 143006: circumbinary planet or misaligned disc?
- The surprising evolution of the shadow on the TW Hya disk
- Spirals, shadows & precession in HD 100453 -- II. The hidden companion
- On the dynamics of low-viscosity warped discs around black holes
- Chemical signatures of a warped protoplanetary disc
- External or internal companion exciting the spiral arms in CQ Tau?
- Warped Disk Evolution in Grid-Based Simulations
- Can gap-edge illumination excite spirals in protoplanetary disks? Three-temperature radiation hydrodynamics and NIR image modelling
- Asymmetric Signatures of Warps in Edge-on Disks
- Excitation of post-AGB Star Binary Eccentricity by Massive Polar-Aligned Circumbinary Disks
- Disc breaking and parametric instability in warped accretion discs
- Gas and Dust Shadows in the TW Hydrae Disk