Astronomy & Astrophysics manuscript no. 30085_paper c ESO 2018 July 2, 2018 The intrinsic Baldwin effect in broad Balmer lines of six long-term monitored AGNs N. Rakic´1, 2, G. La Mura3, D. Ilic´2, 4, A.I. Shapovalova5, W. Kollatschny6, P. Rafanelli3, L. C.ˇ Popovic´1, 2, 7 1 Faculty of Science, University of Banjaluka, Mladena Stojanovica´ 2,78000 Banjaluka, Republic of Srpska, Bosnia and Herzegovina; e-mail:
[email protected] 2 Department of Astronomy, Faculty of Mathematics, University of Belgrade, Studentski Trg 16, 11000 Belgrade, Serbia 3 Department of Physics and Astronomy, University of Padova, vicolo dell’Osservatorio 3, I-35122 Padova, Italy 4 Isaac Newton Institute of Chile, Yugoslavia Branch 5 Special Astrophysical Observatory of the Russian Academy of Science, Nizhnij Arkhyz, Karachaevo-Cherkesia 369167, Russia 6 Institut fur Astrophysik, Universitat Gottingen, Friedrich-Hund Platz 1, 37077, Göttingen, Germany 7 Astronomical Observatory, Volgina 7, 11060 Belgrade, Serbia ABSTRACT We investigate the intrinsic Baldwin effect (Beff) of the broad Hα and Hβ emission lines for six Type 1 active galactic nuclei (AGNs) with different broad line characteristics: two Seyfert 1 (NGC 4151 and NGC 5548), two AGNs with double-peaked broad line profiles (3C 390.3 and Arp 102B), one narrow line Seyfert 1 (Ark 564), and one high-luminosity quasar with highly red asymmetric broad line profiles (E1821+643). We find that a significant intrinsic Beff was present in all Type 1 AGNs in our sample. Moreover, we do not see strong differences in intrinsic Beff slopes in different types of AGNs, which probably have different physical properties such as inclination, broad line region (BLR) geometry, or accretion rate.