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Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet. / Polosukhina, N.; Shavrina, A.; Drake, N.A.; Kudryavtsev, D.; Smirnova, M.

In: BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY, Vol. 106, No. 1, 2010, p. 57-62.

Research output: Contribution to journal › Article › peer-review

Harvard

Polosukhina, N, Shavrina, A, Drake, NA, Kudryavtsev, D & Smirnova, M 2010, 'Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet', BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY, vol. 106, no. 1, pp. 57-62. <http://www.springerlink.com/content/l10h5221200r4437/>

APA

Polosukhina, N., Shavrina, A., Drake, N. A., Kudryavtsev, D., & Smirnova, M. (2010). Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet. BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY, 106(1), 57-62. http://www.springerlink.com/content/l10h5221200r4437/

Vancouver

Polosukhina N, Shavrina A, Drake NA, Kudryavtsev D, Smirnova M. Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet. BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY. 2010;106(1):57-62.

Author

Polosukhina, N. ; Shavrina, A. ; Drake, N.A. ; Kudryavtsev, D. ; Smirnova, M. / Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet. In: BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY. 2010 ; Vol. 106, No. 1. pp. 57-62.

BibTeX

@article{c27018bc53da4c3a8a8abc8835a20020,
title = "Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet",
abstract = "New spectral observations of chemically peculiar (CP) magnetic stars were obtained using an NES echelle spectrometer with a BTA telescope in the Special Astrophysical Observatory (Russian Academy of Sciences). Several stars were shown to have anomalous Li abundances. Testing and monitoring the stars with Doppler shifts Vsin i > 10 km/s indicated that the lithium 6708 {\AA} line was variable in the spectra of some roaAP-CP stars. To distinguish variable features in the spectra, the dispersogram technique was used. The most peculiar among the stars studied is HD 12098. The strong and variable lithium 6708 {\AA} line was detected in the spectrum of this star. The star has been shown to have greatly different lithium abundances in two rotation phases corresponding to opposite surface areas. As mentioned earlier, a similar behavior of the Li blend was found in the spectra of HD 83368 and HD 60435 which have lithium spots on their surface. Spectral observations of slowly rotating CP stars with the Doppler shifts Vsin i <1",
author = "N. Polosukhina and A. Shavrina and N.A. Drake and D. Kudryavtsev and M. Smirnova",
year = "2010",
language = "English",
volume = "106",
pages = "57--62",
journal = "BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY",
issn = "0190-2717",
publisher = "Springer Nature",
number = "1",

}

RIS

TY - JOUR

T1 - Spectral observations using a BTA telescope of chemically peculiar stars in the spectral region near the Li I (6708 Е) resonance doublet

AU - Polosukhina, N.

AU - Shavrina, A.

AU - Drake, N.A.

AU - Kudryavtsev, D.

AU - Smirnova, M.

PY - 2010

Y1 - 2010

N2 - New spectral observations of chemically peculiar (CP) magnetic stars were obtained using an NES echelle spectrometer with a BTA telescope in the Special Astrophysical Observatory (Russian Academy of Sciences). Several stars were shown to have anomalous Li abundances. Testing and monitoring the stars with Doppler shifts Vsin i > 10 km/s indicated that the lithium 6708 Å line was variable in the spectra of some roaAP-CP stars. To distinguish variable features in the spectra, the dispersogram technique was used. The most peculiar among the stars studied is HD 12098. The strong and variable lithium 6708 Å line was detected in the spectrum of this star. The star has been shown to have greatly different lithium abundances in two rotation phases corresponding to opposite surface areas. As mentioned earlier, a similar behavior of the Li blend was found in the spectra of HD 83368 and HD 60435 which have lithium spots on their surface. Spectral observations of slowly rotating CP stars with the Doppler shifts Vsin i <1

AB - New spectral observations of chemically peculiar (CP) magnetic stars were obtained using an NES echelle spectrometer with a BTA telescope in the Special Astrophysical Observatory (Russian Academy of Sciences). Several stars were shown to have anomalous Li abundances. Testing and monitoring the stars with Doppler shifts Vsin i > 10 km/s indicated that the lithium 6708 Å line was variable in the spectra of some roaAP-CP stars. To distinguish variable features in the spectra, the dispersogram technique was used. The most peculiar among the stars studied is HD 12098. The strong and variable lithium 6708 Å line was detected in the spectrum of this star. The star has been shown to have greatly different lithium abundances in two rotation phases corresponding to opposite surface areas. As mentioned earlier, a similar behavior of the Li blend was found in the spectra of HD 83368 and HD 60435 which have lithium spots on their surface. Spectral observations of slowly rotating CP stars with the Doppler shifts Vsin i <1

M3 - Article

VL - 106

SP - 57

EP - 62

JO - BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY

JF - BULLETIN OF THE CRIMEAN ASTROPHYSICAL OBSERVATORY

SN - 0190-2717

IS - 1

ER -

ID: 5236283