SHORT TIME-SCALE VARIABILITY IN BRIGHT SEYFERT-GALAXIES

被引：3

作者：

XANTHOPOULOS, E

DEROBERTIS, MM

机构：

来源：

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC | 1991年 / 103卷 / 662期

关键词：

SEYFERT GALAXIES; VARIABILITY;

D O I：

10.1086/132830

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

High-quality, long-slit CCD spectroscopic data were obtained to search for short time-scale (hour-day) variability in a sample of five Seyfert galaxies. The equivalent widths of all the emission lines and the relative intensities of the Balmer lines were measured for each galaxy. No significant profile or flux variations were observed for any galaxy within errors, except for NGC 4151. The broad-line flux variation in NGC 4151 is attributed to continuum fluctuations.

引用

页码：378 / 382

页数：5

共 21 条

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