O. I. Spiridonova

Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XVI. A 13 Year Study of Spectral Variability in NGC 5548

B. M. Peterson, P. Berlind, R. Bertram et al. · The Astrophysical Journal · 2002 · 201 citations · Full text

Polarization angle swings in blazars: The case of 3C 279

S. Kiehlmann, T. Savolainen, S. G. Jorstad et al. · Astronomy and Astrophysics · 2016 · 91 citations · Full text

Magnetic Field Structure, Physics, Flat-spectrum Radio +8

Intermediate resolution H$\mathsf{\beta}$ spectroscopy and photometric monitoring of 3C 390.3

A. I. Shapovalova, A. N. Burenkov, L. Carrasco et al. · Astronomy and Astrophysics · 2001 · 64 citations · Full text

Long-term optical spectral monitoring of a changing-look active galactic nucleus NGC 3516 – I. Continuum and broad-line flux variability

A. I. Shapovalova, Luka Č. Popović, V. L. Afanasiev et al. · Monthly Notices of the Royal Astronomical Society · 2019 · 56 citations · Full text

Black Hole Mass, Photometry, Galaxy Formation +9

Intermediate resolution H-beta spectroscopy and photometric monitoring of 3C 390.3 I. Further evidence of a nuclear accretion disk

A. I. Shapovalova, A. N. Burenkov, L. Carrasco et al. · ArXiv.org · 2001 · 48 citations · Full text

Engineering, Nuclear Physics, Photometric Monitoring +16