Emission Line Variability in Akn 564

Details Emission Line Variability in Akn 564 Emission Line Variability in Akn 564

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.8803g&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #88.03; Bulletin of the American Astronomical Society, Vol. 33, p.916

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Scientific paper

In 2000 June--July an AGN Watch Campaign on Arakelian 564 (a NLSy1) took place, involving HST, RXTE, ASCA, Chandra, XMM and several ground--based observatories. During this time we obtained 12 low--res optical spectra of Akn 564 with the 9m Hobby--Eberly Telescope (HET). Historically, Akn 564 has shown no conclusive sign of optical variability. We will present evidence of small, but significant, optical emission--line variations. We examine this line variability in context with the observations at other wavelengths.

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