Astronomy Letters, volume 38, issue 12, pages 783-792
Rotation effects in classical T Tauri stars
Publication type: Journal Article
Publication date: 2012-12-14
Journal:
Astronomy Letters
Quartile SCImago
Q3
Quartile WOS
Q4
Impact factor: 0.9
ISSN: 10637737, 15626873
Space and Planetary Science
Astronomy and Astrophysics
Abstract
Surface temperature inhomogeneities in classical T Tauri stars (CTTS) induced by magnetic activity andmass accretion lead to rotationalmodulation of both photometric and spectroscopic parameters of these stars. Using the extended photometric catalogue byGrankin et al., we have derived the periods and amplitudes of the rotational modulation of brightness and color for 31 CTTS; for six of them, the periods have been revealed for the first time. The inclinations of the rotation axis and equatorial rotational velocities of CTTS have been determined. We show that the known periods of brightness variations for some of the CTTS are not the axial rotation periods but are the Keplerian periods near the inner boundary of the dusty disk. We have found that the angular velocity of CTTS with a mass of 0.3−3M ⊙ in the Taurus-Auriga complex remains constant in the age range 1–10 Myr. CTTS on radiative evolutionary tracks rotate faster than completely convective CTTS. The specific angular momentum of CTTS depends on the absolute luminosity in the Hα line.
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- We do not take into account publications that without a DOI.
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Artemenko S. A., Grankin K. N., Petrov P. P. Rotation effects in classical T Tauri stars // Astronomy Letters. 2012. Vol. 38. No. 12. pp. 783-792.
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Artemenko S. A., Grankin K. N., Petrov P. P. Rotation effects in classical T Tauri stars // Astronomy Letters. 2012. Vol. 38. No. 12. pp. 783-792.
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TY - JOUR
DO - 10.1134/s1063773712110011
UR - https://doi.org/10.1134%2Fs1063773712110011
TI - Rotation effects in classical T Tauri stars
T2 - Astronomy Letters
AU - Artemenko, S. A.
AU - Grankin, K. N.
AU - Petrov, P. P.
PY - 2012
DA - 2012/12/14 00:00:00
PB - Pleiades Publishing
SP - 783-792
IS - 12
VL - 38
SN - 1063-7737
SN - 1562-6873
ER -
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BibTex
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@article{2012_Artemenko,
author = {S. A. Artemenko and K. N. Grankin and P. P. Petrov},
title = {Rotation effects in classical T Tauri stars},
journal = {Astronomy Letters},
year = {2012},
volume = {38},
publisher = {Pleiades Publishing},
month = {dec},
url = {https://doi.org/10.1134%2Fs1063773712110011},
number = {12},
pages = {783--792},
doi = {10.1134/s1063773712110011}
}
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MLA
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Artemenko, S. A., et al. “Rotation effects in classical T Tauri stars.” Astronomy Letters, vol. 38, no. 12, Dec. 2012, pp. 783-792. https://doi.org/10.1134%2Fs1063773712110011.