Optical continuum and emission-line variability of the seyfert 1 galaxy markarian 509

  • T. E. Carone
  • , B. M. Peterson
  • , J. Bechtold
  • , R. Bertram
  • , K. Bischoff
  • , M. Dietrich
  • , A. V. Filippenko
  • , L. C. Ho
  • , J. P. Huchra
  • , W. Kollatschny
  • , K. T. Korista
  • , T. Matheson
  • , R. W. Pogge
  • , J. C. Shields
  • , P. S. Smith
  • , R. M. Wagner
  • , B. J. Wilkes

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

We report on the results of a 5 year coordinated program of spectroscopic monitoring of the luminous Seyfert 1 galaxy Markarian 509. The Hβ and He II β4686 emission lines are found to respond to continuum variations with time lags of ∼80 and ∼60 days, respectively, considerably longer than the emission-line lags measured for other Seyfert galaxies.

Original languageEnglish (US)
Pages (from-to)737-747
Number of pages11
JournalAstrophysical Journal
Volume471
Issue number2 PART I
DOIs
StatePublished - 1996

Keywords

  • Galaxies: Seyfert
  • Galaxies: active
  • Galaxies: individual (Markarian 509)

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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