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An infall model for the T Tauri phenomenon
Abstract
An infall model which produces P Cygni type II emission lines is presented. The blueshifted apparent absorption feature in these emission lines is interpreted in this model as the overlap region between a strong emission line centered near the rest velocity of the star and a weaker emission line at a velocity near -150 km/s. According to this model the energy source for the continuum and line-emission features observed in T Tauri stars is the kinetic energy of the infalling matter. A weak flux of soft X-rays is produced in the high-temperature postshock gas. These X-rays may be responsible for producing the nebulae observed near some T Tauri stars.
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Citations
Cited by
Whitney, B. A., Wood, K., Bjorkman, J. E., & Wolff, M. J. (2003) · The Astrophysical Journal · doi:10.1086/375415 · Cited by 485
On the formation of protostellar disks
Cassen, P., & Moosman, A. (1981) · Icarus · doi:10.1016/0019-1035(81)90051-8 · Cited by 381
Güdel, M., & Nazé, Y. (2009) · The Astronomy and Astrophysics Review · doi:10.1007/s00159-009-0022-4 · Cited by 275
MAIN-SEQUENCE STARS MASQUERADING AS YOUNG STELLAR OBJECTS IN THE CENTRAL MOLECULAR ZONE
Koepferl, C. M., Robitaille, T. P., Morales, E. F. E., & Johnston, K. G. (2015) · The Astrophysical Journal · doi:10.1088/0004-637x/799/1/53 · Cited by 50
Metadata
- Authors
- Ulrich, R. K.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1976-12
- Volume
- 210
- Pages
- 377
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2016573758
- Cited by
- 413
- References
- 0
- FWCI
- 5.63
- Type
- journal article
- Language
- en
- Open access
- closed
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How to cite
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- CoChat. (2026). Citation check: An infall model for the T Tauri phenomenon. https://app.cochat.ai/papers/10.1086/154840
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- Ulrich, R. K. (1976). An infall model for the T Tauri phenomenon. The Astrophysical Journal. https://doi.org/10.1086/154840
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
