Accretion disc evolution in single and binary T Tauri stars
Open accessAbstract
We present theoretical models for the evolution of T Tauri stars surrounded by circumstellar discs. The models include the effects of pre-main-sequence stellar and time-dependent disc evolution, and incorporate the effects of stellar magnetic fields acting on the inner disc. For single stars, consistency with observations in Taurus–Auriga demands that disc dispersal occurs rapidly, on much less than the viscous time-scale of the disc, at roughly the epoch when heating by stellar radiation first dominates over internal viscous dissipation. Applying the models to close binaries, we find that because the initial conditions for discs in binaries are uncertain, studies of extreme mass ratio systems are required to provide a stringent test of theoretical disc evolution models. We also note that no correlation of the infrared colours of T Tauri stars with their rotation rate is observed, in apparent contradiction to the predictions of simple magnetospheric accretion models.
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A tidally truncated disk around a low-mass secondary is expected to have a shorter accretion lifetime than the primary's disk.
“A tidally truncated disk around a lowmass secondary is expected to have a shorter accretion lifetime than the primary's disk (Armitage et al. 1999)”
From PLANETARY CONSTRUCTION ZONES IN OCCULTATION: DISCOVERY OF AN EXTRASOLAR RING SYSTEM TRANSITING A YOUNG SUN-LIKE STAR AND FUTURE PROSPECTS FOR DETECTING ECLIPSES BY CIRCUMSECONDARY AND CIRCUMPLANETARY DISKS (2012) · cites this paper as Armitage et al. 1999
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Research works printed but not linked: 3
- Guenther E. W., Emerson J. P., 1995, in Siebenmorgen R., Ka Èu¯H. U., eds, ESO Proceedings, The Role of Dust in the Formation of Stars, in press
- Strom S. E., 1995, Rev. Mex. Astron. Astro®s. (Conference Series), 1, 317
- Woolley R. v. d. R., Stibbs D. W. N., 1953. The Outer Layers of a Star. Clarendon Press, Oxford
Cited by
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Mamajek, E. E., Quillen, A. C., Pecaut, M. J., Moolekamp, F., Scott, E. L., Kenworthy, M. A., Cameron, A. C., & Parley, N. R. (2012) · The Astronomical Journal · doi:10.1088/0004-6256/143/3/72 · Cited by 140 · see citing works
“A tidally truncated disk around a low mass secondary is expected to have a shorter accretion lifetime than the primary’s disk (Armitage et al. 1999), however there are other environmental factors such as dispersal of the host molecular cloud, birth cluster density, and disk evaporation that can…”
BackgroundInvestigating Disk Evolution: A High Spatial Resolution Mid‐Infrared Survey of T Tauri Stars
McCabe, C., Ghez, A. M., Prato, L., Duchene, G., Fisher, R. S., & Telesco, C. (2006) · The Astrophysical Journal · doi:10.1086/498207 · Cited by 125 · see citing works
- Authors
- Armitage, P. J., Clarke, C. J., & Tout, C. A.
- Affiliations
- Canadian Institute for Theoretical Astrophysics (CA)
- Monash University (AU)
- Venue
- Monthly Notices of the Royal Astronomical Society
- Publisher
- Oxford University Press (OUP)
- Published
- 1999-04-07
- Volume
- 304
- Issue
- 2
- Pages
- 425-433
- ISSN
- 0035-8711 (ISSN-L)
- 1365-2966
- OpenAlex
- W1982385072
- Cited by
- 58
- References
- 0
- Citations by year
- 2023: 1 · 2021: 1 · 2020: 1 · 2018: 2 · 2017: 1 · 2015: 1 · 2013: 5 · 2012: 4
- FWCI
- 2.46
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Monthly Notices of the Royal Astronomical Society (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- arXiv (Cornell University)
- Funders
- Isaac Newton Institute for Mathematical Sciences
- Division of Mathematical Sciences
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astrophysics and Star Formation Studies
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Stellar, planetary, and galactic studies
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Astrophysical Phenomena and Observations
- Keywords
- T Tauri stars, accretion disc evolution, circumstellar disks, pre-main-sequence stars, binary stars, stellar magnetic fields, disc dispersal, magnetospheric accretion, extreme mass ratio binaries, infrared colors, stellar rotation, Taurus-Auriga
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