Research output: Contribution to journal › Article
Hydrogen lines as a diagnostic tool for studying multicomponent emitting regions in hot young stars: Magnetosphere, X-wind, and disk wind. / Tambovtseva, L.V.; Grinin, V.P.; Weigelt, G.
In: Astronomy and Astrophysics, Vol. 562, No. A104, 2014, p. 1-13.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Hydrogen lines as a diagnostic tool for studying multicomponent emitting regions in hot young stars: Magnetosphere, X-wind, and disk wind
AU - Tambovtseva, L.V.
AU - Grinin, V.P.
AU - Weigelt, G.
PY - 2014
Y1 - 2014
N2 - Infrared interferometric observations with high spatial and spectral resolution and their quantitative modeling provide us with a unique opportunity to improve our understanding of the circumstellar environment of young stars and the accretion-ejection process. The goal of this paper is to investigate various models of the emitting regions in young Herbig Ae/Be stars that consist of (i) a compact rotating magnetosphere; (ii) an X-wind; and (iii) a disk wind. These models can be used, for example, to quantitatively interpret line profile measurements and infrared interferometric observations with the AMBER instrument of the Very Large Telescope Interferometer (VLTI) in the high spectral resolution mode (R = 12 000). VLTI/AMBER observations allow us to resolve the disk wind region and study the flux contribution of the unresolved magnetosphere and X-wind region to the total line flux. Analyzing the results of our non-LTE calculations, we conclude that the mechanisms of the different broadening of emission lines
AB - Infrared interferometric observations with high spatial and spectral resolution and their quantitative modeling provide us with a unique opportunity to improve our understanding of the circumstellar environment of young stars and the accretion-ejection process. The goal of this paper is to investigate various models of the emitting regions in young Herbig Ae/Be stars that consist of (i) a compact rotating magnetosphere; (ii) an X-wind; and (iii) a disk wind. These models can be used, for example, to quantitatively interpret line profile measurements and infrared interferometric observations with the AMBER instrument of the Very Large Telescope Interferometer (VLTI) in the high spectral resolution mode (R = 12 000). VLTI/AMBER observations allow us to resolve the disk wind region and study the flux contribution of the unresolved magnetosphere and X-wind region to the total line flux. Analyzing the results of our non-LTE calculations, we conclude that the mechanisms of the different broadening of emission lines
U2 - 10.1051/0004-6361/201322712
DO - 10.1051/0004-6361/201322712
M3 - Article
VL - 562
SP - 1
EP - 13
JO - ASTRONOMY & ASTROPHYSICS
JF - ASTRONOMY & ASTROPHYSICS
SN - 0004-6361
IS - A104
ER -
ID: 7036132