389 citations · 929 across the 10 of their papers we have counts for
11 papers
TANAMI: Tracking Active Galactic Nuclei with Austral Milliarcsecond Interferometry - II. Additional Sources
C. Müller, M. Kadler, R. Ojha +31
TANAMI is a multiwavelength program monitoring active galactic nuclei (AGN) south of -30deg declination including high-resolution Very Long Baseline Interferometry (VLBI) imaging,…
A Highly Magnetized Twin-Jet Base Pinpoints a Supermassive Black Hole
A. -K. Baczko, R. Schulz, M. Kadler +13
Supermassive black holes (SMBH) are essential for the production of jets in radio-loud active galactic nuclei (AGN). Theoretical models based on Blandford & Znajek extract the rota…
A redshifted Fe K line from the unusual gamma-ray source PMN J1603-4904
C. Müller, F. Krauß, T. Dauser +12
Multiwavelength observations have revealed the highly unusual properties of the gamma-ray source PMN J1603-4904, which are difficult to reconcile with any other well established ga…
Long term variability of Cygnus X-1: VI. Energy-resolved X-ray variability 1999-2011
V. Grinberg, K. Pottschmidt, M. Böck +11
We present the most extensive analysis of Fourier-based X-ray timing properties of the black hole binary Cygnus X-1 to date, based on 12 years of bi-weekly monitoring with RXTE fro…
Long term variability of Cygnus X-1 V. State definitions with all sky monitors
V. Grinberg, N. Hell, K. Pottschmidt +14
We present a scheme to determine the spectral state of the canonical black hole Cyg X-1 using data from previous and current X-ray all sky monitors (RXTE-ASM, Swift-BAT, MAXI, and…
Irradiation of an Accretion Disc by a Jet: General Properties and Implications for Spin Measurements of Black Holes
Thomas Dauser, Javier Garcia, Jörn Wilms +5
X-ray irradiation of the accretion disc leads to strong reflection features, which are then broadened and distorted by relativistic effects. We present a detailed, general relativi…
The causal connection between disc and power-law variability in hard state black hole X-ray binaries
P. Uttley, T. Wilkinson, P. Cassatella +4
We use the XMM-Newton EPIC-pn instrument in timing mode to extend spectral time-lag studies of hard state black hole X-ray binaries into the soft X-ray band. We show that variation…
Sub-parsec scale imaging of Centaurus A
Cornelia Müller, M. Kadler, R. Ojha +6
At a distance of about 3.8 Mpc, the radio galaxy Centaurus A is the closest active galaxy. Therefore it is a key target for studying the innermost regions of active galactic nuclei…
The TANAMI Program
Roopesh Ojha, Matthias Kadler, Moritz Boeck +5
The TANAMI (Tracking AGN with Austral Milliarcsecond Interferometry) program provides comprehensive VLBI monitoring of extragalactic gamma-ray sources south of declination -30 degr…
TANAMI: Milliarcsecond Resolution Observations of Extragalactic Gamma-ray Sources
Roopesh Ojha, M. Kadler, M. Böck +24
The TANAMI (Tracking AGN with Austral Milliarcsecond Interferometry) and associated programs provide comprehensive radio monitoring of extragalactic gamma-ray sources south of decl…
The TANAMI Program
Cornelia Mueller, Matthias Kadler, Roopesh Ojha +23
TANAMI (Tracking Active Galactic Nuclei with Austral Milliarcsecond Interferometry) is a monitoring program to study the parsec-scale structures and dynamics of relativistic jets i…