Time Lag Between the Optical Continuum and Line Variabilities of NGC 4151

Using a long term spectroscopic observation of NGC 4151 (obtained with 6 m telescope of SAO Russia, between 1996 and 2006) we used Z-Transfomed Discrete Correlation Function (ZDCF) to find the time lag between the broad Hbeta and Halpha lines and the optical continuum variably.

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Bibliographic Details
Main Authors: Kovacevic, Andjelka, Shapovalova, Alla I, Popovic, Luka C, Bochkarev, Nikolai G, Burenkov, Alexander N, Chavushyan, Vahram H
Format: Conference Proceeding
Language:English
Online Access:Get full text
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Summary:Using a long term spectroscopic observation of NGC 4151 (obtained with 6 m telescope of SAO Russia, between 1996 and 2006) we used Z-Transfomed Discrete Correlation Function (ZDCF) to find the time lag between the broad Hbeta and Halpha lines and the optical continuum variably.
ISSN:0094-243X
DOI:10.1063/1.2800161