Planet formation and dynamics

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Disks, Extrasolar Planets and Migration

Chapter in From Dust to Terrestrial Planets, Springer Nature 9 (2000) 323-340

Authors:

Caroline Terquem, John CB Papaloizou, Richard P Nelson
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The response of an accretion disc to an inclined dipole with application to AA Tauri

Astronomy and Astrophysics 360:3 (2000) 1031-1042

Authors:

C Terquem, JCB Papaloizou
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Disks, Extrasolar Planets and Migration

(1999)

Authors:

C Terquem, J Papaloizou, R Nelson
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Critical Protoplanetary Core Masses in Protoplanetary Disks and the Formation of Short-Period Giant Planets

(1999)

Authors:

J Papaloizou, C Terquem
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Precession of collimated outflows from young stellar objects

Astrophysical Journal 512:2 PART 2 (1999)

Authors:

C Terquem, J Eislöffel, JCB Papaloizou, RP Nelson

Abstract:

We consider several protostellar systems in which either a precessing jet or at least two misaligned jets have been observed. We assume that the precession of jets is caused by tidal interactions in noncoplanar binary systems. For Cep E, V1331 Cyg, and RNO 15-FIR, the inferred orbital separations and disk radii are in the range 4-160 AU and 1-80 AU, respectively, consistent with those expected for pre-main-sequence stars. Furthermore, we assume or use the fact that the source of misaligned outflows is a binary and evaluate the length scale over which the jets should precess as a result of tidal interactions. For T Tau, HH1 VLA 1/2, and HH 24 SVS63, it may be possible to detect a bending of the jets rather than "wiggling." In HH 111 IRS and L1551 IRS5, wiggling may be detected on the current observed scale. Our results are consistent with the existence of noncoplanar binary systems in which tidal interactions induce jets to precess.
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