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Long-Term Variability of the Broad Hα and Hβ Emission-Line Profiles of NGC 4151

  • D. Ilić (a1), A. I. Shapovalova (a2), L. Č. Popović (a3), A. N. Burenkov (a2), V. H. Chavushyan (a4), A. Kovačević (a1), N. G. Bochkarev (a5) and J. León-Tavares (a6)...

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In this work, we present the spectra of NGC 4151 observed over 11 years (from 1996 to 2006) using the SAO 6-m and 1-m telescopes (Russia), the GHAO 2.1-m telescope (Cananea, México), and the OAN-SPM 2.1-m telescope (San-Pedro, México). The procedure of spectra calibration is given by Shapovalova et al. (2008). Our analysis is focused on high-quality (S/N > 50) spectra of the Hα and Hβ emission lines.

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References

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Shapovalova, A. I., et al. 2008, A&A, 486, 99
Shapovalova, A. I., et al. 2009a, New Astron. Rev., 53, 191
Shapovalova, A. I., et al. 2009b, A&A, in press [arXiv:0910.2980]
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Long-Term Variability of the Broad Hα and Hβ Emission-Line Profiles of NGC 4151

  • D. Ilić (a1), A. I. Shapovalova (a2), L. Č. Popović (a3), A. N. Burenkov (a2), V. H. Chavushyan (a4), A. Kovačević (a1), N. G. Bochkarev (a5) and J. León-Tavares (a6)...

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