期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 491, 期 1, 页码 504-514出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stz2938
关键词
hydrodynamics; methods: numerical; planets and satellites: formation; protoplanetary discs
资金
- FONDECYT [3170680, 3170360, 1171246]
- CONICYT [Basal AFB-170002]
- European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie [823823]
- Australian Research Council [FT170100040, FT130100034, DP180104235]
- ANR of France [ANR-16-CE31-0013]
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [681601]
- Iniciativa Cientifica Milenio via the Nucleo Milenio de Formacion Planetaria
- Chinese Academy of Sciences (CAS) through a CAS-CONICYT Postdoctoral Fellowship
- FONDEQUIP [AIC-57]
- QUIMAL [130008]
- [BASAL PFB-06 CATA]
- [Anillo ACT86]
Tidal encounters in star clusters perturb discs around young protostars. In Cuello et al., we detailed the dynamical signatures of a stellar flyby in both gas and dust. Flybys produce warped discs, spirals with evolving pitch angles, increasing accretion rates, and disc truncation. Here, we present the corresponding observational signatures of these features in optical/near-infrared scattered light and (sub) millimetre continuum and CO line emission. Using representative prograde and retrograde encounters for direct comparison, we post-process hydrodynamical simulations with radiative transfer methods to generate a catalogue of multiwavelength observations. This provides a reference to identify flybys in recent near-infrared and submillimetre observations (e.g. RW Aur, AS 205, HV Tau and DO Tau, FU Ori, V2775 Ori, and Z CMa).
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