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Multi-element Doppler imaging of the CP2 star HD 3980. / Nesvacil, N.; Lüftinger, T.; Shulyak, D.; Obbrugger, M.; Weiss, W.; Drake, N. A.; Hubrig, S.; Ryabchikova, T.; Kochukhov, O.; Piskunov, N.; Polosukhina, N.

In: Astronomy and Astrophysics, Vol. 537, 2012, p. id.A151, 10 pp.

Research output: Contribution to journal › Article

Harvard

Nesvacil, N, Lüftinger, T, Shulyak, D, Obbrugger, M, Weiss, W, Drake, NA, Hubrig, S, Ryabchikova, T, Kochukhov, O, Piskunov, N & Polosukhina, N 2012, 'Multi-element Doppler imaging of the CP2 star HD 3980', Astronomy and Astrophysics, vol. 537, pp. id.A151, 10 pp.. https://doi.org/10.1051/0004-6361/201117097

APA

Nesvacil, N., Lüftinger, T., Shulyak, D., Obbrugger, M., Weiss, W., Drake, N. A., Hubrig, S., Ryabchikova, T., Kochukhov, O., Piskunov, N., & Polosukhina, N. (2012). Multi-element Doppler imaging of the CP2 star HD 3980. Astronomy and Astrophysics, 537, id.A151, 10 pp.. https://doi.org/10.1051/0004-6361/201117097

Vancouver

Nesvacil N, Lüftinger T, Shulyak D, Obbrugger M, Weiss W, Drake NA et al. Multi-element Doppler imaging of the CP2 star HD 3980. Astronomy and Astrophysics. 2012;537:id.A151, 10 pp. https://doi.org/10.1051/0004-6361/201117097

Author

Nesvacil, N. ; Lüftinger, T. ; Shulyak, D. ; Obbrugger, M. ; Weiss, W. ; Drake, N. A. ; Hubrig, S. ; Ryabchikova, T. ; Kochukhov, O. ; Piskunov, N. ; Polosukhina, N. / Multi-element Doppler imaging of the CP2 star HD 3980. In: Astronomy and Astrophysics. 2012 ; Vol. 537. pp. id.A151, 10 pp.

BibTeX

@article{5f89d135736f40bbab7e6914f8726397,
title = "Multi-element Doppler imaging of the CP2 star HD 3980",
abstract = "Context. In atmospheres of magnetic main-sequence stars, the diffusion of chemical elements leads to a number of observed anomalies, such as abundance spots across the stellar surface. Aims: The aim of this study was to derive a detailed picture of the surface abundance distribution of the magnetic chemically peculiar star HD 3980. Methods: Based on high-resolution, phase-resolved spectroscopic observations of the magnetic A-type star HD 3980, the inhomogeneous surface distribution of 13 chemical elements (Li, O, Si, Ca, Cr, Mn, Fe, La, Ce, Pr, Nd, Eu, and Gd) has been reconstructed. The INVERS12 code was used to invert the rotational variability in line profiles to elemental surface distributions. Results: Assuming a centered, dominantly dipolar magnetic field configuration, we find that Li, O, Mg, Pr, and Nd are mainly concentrated in the area of the magnetic poles and depleted in the regions around the magnetic equator. The high abundance spots of Si, La, Ce, Eu, and Gd are located between the magnetic",
keywords = "stars: abundances, techniques: spectroscopic, stars: chemically peculiar, stars: magnetic field, diffusion, stars: individual: HD 3980",
author = "N. Nesvacil and T. L{\"u}ftinger and D. Shulyak and M. Obbrugger and W. Weiss and Drake, {N. A.} and S. Hubrig and T. Ryabchikova and O. Kochukhov and N. Piskunov and N. Polosukhina",
year = "2012",
doi = "10.1051/0004-6361/201117097",
language = "English",
volume = "537",
pages = "id.A151, 10 pp.",
journal = "ASTRONOMY & ASTROPHYSICS",
issn = "0004-6361",
publisher = "EDP Sciences",

}

RIS

TY - JOUR

T1 - Multi-element Doppler imaging of the CP2 star HD 3980

AU - Nesvacil, N.

AU - Lüftinger, T.

AU - Shulyak, D.

AU - Obbrugger, M.

AU - Weiss, W.

AU - Drake, N. A.

AU - Hubrig, S.

AU - Ryabchikova, T.

AU - Kochukhov, O.

AU - Piskunov, N.

AU - Polosukhina, N.

PY - 2012

Y1 - 2012

N2 - Context. In atmospheres of magnetic main-sequence stars, the diffusion of chemical elements leads to a number of observed anomalies, such as abundance spots across the stellar surface. Aims: The aim of this study was to derive a detailed picture of the surface abundance distribution of the magnetic chemically peculiar star HD 3980. Methods: Based on high-resolution, phase-resolved spectroscopic observations of the magnetic A-type star HD 3980, the inhomogeneous surface distribution of 13 chemical elements (Li, O, Si, Ca, Cr, Mn, Fe, La, Ce, Pr, Nd, Eu, and Gd) has been reconstructed. The INVERS12 code was used to invert the rotational variability in line profiles to elemental surface distributions. Results: Assuming a centered, dominantly dipolar magnetic field configuration, we find that Li, O, Mg, Pr, and Nd are mainly concentrated in the area of the magnetic poles and depleted in the regions around the magnetic equator. The high abundance spots of Si, La, Ce, Eu, and Gd are located between the magnetic

AB - Context. In atmospheres of magnetic main-sequence stars, the diffusion of chemical elements leads to a number of observed anomalies, such as abundance spots across the stellar surface. Aims: The aim of this study was to derive a detailed picture of the surface abundance distribution of the magnetic chemically peculiar star HD 3980. Methods: Based on high-resolution, phase-resolved spectroscopic observations of the magnetic A-type star HD 3980, the inhomogeneous surface distribution of 13 chemical elements (Li, O, Si, Ca, Cr, Mn, Fe, La, Ce, Pr, Nd, Eu, and Gd) has been reconstructed. The INVERS12 code was used to invert the rotational variability in line profiles to elemental surface distributions. Results: Assuming a centered, dominantly dipolar magnetic field configuration, we find that Li, O, Mg, Pr, and Nd are mainly concentrated in the area of the magnetic poles and depleted in the regions around the magnetic equator. The high abundance spots of Si, La, Ce, Eu, and Gd are located between the magnetic

KW - stars: abundances

KW - techniques: spectroscopic

KW - stars: chemically peculiar

KW - stars: magnetic field

KW - diffusion

KW - stars: individual: HD 3980

U2 - 10.1051/0004-6361/201117097

DO - 10.1051/0004-6361/201117097

M3 - Article

VL - 537

SP - id.A151, 10 pp.

JO - ASTRONOMY & ASTROPHYSICS

JF - ASTRONOMY & ASTROPHYSICS

SN - 0004-6361

ER -

ID: 5361332