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

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

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010iaus..267..400i&link_type=abstract

Co-Evolution of Central Black Holes and Galaxies, Proceedings of the International Astronomical Union, IAU Symposium, Volume 267

Astronomy and Astrophysics

Astronomy

Galaxies: Active, Galaxies: Individual (Ngc 4151)

Scientific paper

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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