Quasi Periodic Oscillations in Blazars

Multiwavelength intraday variability of the BL Lacertae S5 0716+714

(2012) Alok C. Gupta et al.   MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

DETECTION OF INTRA-DAY VARIABILITY TIMESCALES OF FOUR HIGH-ENERGY PEAKED BLAZARS WITHXMM-NEWTON

(2010) Haritma Gaur et al.   ASTROPHYSICAL JOURNAL

QUASI-PERIODIC OSCILLATIONS OF ∼15 MINUTES IN THE OPTICAL LIGHT CURVE OF THE BL LAC S5 0716+714

(2010) Bindu Rani et al.   Astrophysical Journal Letters

A ~4.6 h quasi-periodic oscillation in the BL Lacertae PKS 2155-304?

(2009) P. Lachowicz et al.   ASTRONOMY & ASTROPHYSICS

NEARLY PERIODIC FLUCTUATIONS IN THE LONG-TERM X-RAY LIGHT CURVES OF THE BLAZARS AO 0235+164 AND 1ES 2321+419

(2009) Bindu Rani et al.   ASTROPHYSICAL JOURNAL

OPTICAL INTRA-DAY VARIABILITY IN BLAZARS

(2008) Alok C. Gupta et al.   ASTRONOMICAL JOURNAL

Light Echoes in Kerr Geometry: A Source of High‐Frequency QPOs from Random X‐Ray Bursts

(2008) Keigo Fukumura et al.   ASTROPHYSICAL JOURNAL

PERIODIC OSCILLATIONS IN THE INTRA-DAY OPTICAL LIGHT CURVES OF THE BLAZAR S5 0716+714

(2008) Alok C. Gupta et al.   ASTROPHYSICAL JOURNAL

Wavelet Analysis of AGN X‐Ray Time Series: A QPO in 3C 273?

(2008) C. Espaillat et al.   ASTROPHYSICAL JOURNAL

A periodicity of ∼1 hour in X-ray emission from the active galaxy RE J1034+396

(2008) Marek Gierliński et al.   NATURE

A massive binary black-hole system in OJ 287 and a test of general relativity

(2008) M. J. Valtonen et al.   NATURE

The inner jet of an active galactic nucleus as revealed by a radio-to-γ-ray outburst

(2008) Alan P. Marscher et al.   NATURE