activity
20092023
most citedMultiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009

104 citations · 440 across the 11 of their papers we have counts for

collaborators

13 papers

astro-ph.SR2023★ 32 cited

A Keplerian disk with a four-arm spiral birthing an episodically accreting high-mass protostar

R. A. Burns, Y. Uno, N. Sakai +34

High-mass protostars (M 8 M) are thought to gain the majority of their mass via short, intense bursts of growth. This episodic accretion is thought to be faci…

astro-ph.HE2016★ 18 cited

Radio and Gamma-ray Properties of Extragalactic Jets from the TANAMI Sample

M. Böck, M. Kadler, C. Müller +28

Using high-resolution radio imaging with VLBI techniques, the TANAMI program has been observing the parsec-scale radio jets of southern (declination south of -30°) gamma-ray bright…

astro-ph.HE2014★ 12 cited

Unusual Flaring Activity in the Blazar PKS 1424-418 during 2008-2011

S. Buson, F. Longo, S. Larsson +24

Context. Blazars are a subset of active galactic nuclei (AGN) with jets that are oriented along our line of sight. Variability and spectral energy distribution (SED) studies are cr…

astro-ph.HE2014★ 85 cited

TANAMI monitoring of Centaurus A: The complex dynamics in the inner parsec of an extragalactic jet

C. Müller, M. Kadler, R. Ojha +24

Centaurus A is the closest radio-loud active galaxy. Very Long Baseline Interferometry (VLBI) enables us to study the jet-counterjet system on milliarcsecond (mas) scales, providin…

astro-ph.HE2014★ 64 cited

TANAMI Blazars in the IceCube PeV Neutrino Fields

F. Krauß, M. Kadler, K. Mannheim +39

The IceCube Collaboration has announced the discovery of a neutrino flux in excess of the atmospheric background. Due to the steeply falling atmospheric background spectrum, events…

astro-ph.HE2013★ 52 cited

Hunting for treasures among the Fermi unassociated sources: a multi-wavelength approach

F. Acero, D. Donato, R. Ojha +6

The Fermi Gamma-ray Space Telescope has been detecting a wealth of sources where the multi-wavelength counterpart is either inconclusive or missing altogether. We present a combina…

astro-ph.HE2012★ 14 cited

PKS 2123-463: a confirmed gamma-ray blazar at high redshift

F. D'Ammando, A. Rau, P. Schady +11

The flat spectrum radio quasar (FSRQ) PKS 2123-463 was associated in the First Fermi-LAT source catalog with the gamma-ray source 1FGL J2126.1-4603, but when considering the full f…

astro-ph.HE2012

ATCA monitoring of gamma-ray loud AGN

J. Stevens, P. G. Edwards, R. Ojha +8

As a critical part of the Tracking Active Galactic Nuclei with Austral Milliarcsecond Interferometry (TANAMI) program, in November 2007 the Australia Telescope Compact Array (ATCA)…

astro-ph.HE2012

Southern-Hemisphere AGN Monitoring on (Sub-)Parsec Scales: The TANAMI Program

Cornelia Müller, M. Böck, J. Wilms +5

The Very Long Baseline Interferometry (VLBI) monitoring program TANAMI provides bi-monthly, dualfrequency (8GHz and 22GHz) observations of extragalactic jets with milliarcsecond re…

astro-ph.HE2012

The Gamma-Ray Blazar PKS 0208-512, a Multi-Wavelength Investigation

J. M. Blanchard, J. E. J. Lovell, J. Dickey +8

The gamma-ray blazar PKS 0208-512 has shown strong periods of flaring, at all frequencies from radio to gamma-ray. This has led to its inclusion in the TANAMI project, which tracks…

astro-ph.CO2011★ 46 cited

Global e-VLBI observations of the gamma-ray narrow line Seyfert 1 PMN J0948+0022

M. Giroletti, Z. Paragi, H. Bignall +16

There is growing evidence of relativistic jets in radio-loud narrow-line Seyfert 1 (RL-NLS1) galaxies. We constrain the observational properties of the radio emission in the first…

astro-ph.CO2010★ 13 cited

Evolution of the pc-scale structure of PKS 1934-638 revisited: first science with the ASKAP and New Zealand telescopes

A. K Tzioumis, S. J. Tingay, B. Stansby +22

We have studied the archetypal Gigahertz Peaked Spectrum radio galaxy, PKS 1934-638, using the Australian Long Baseline Array, augmented with two new telescopes that greatly improv…

astro-ph.HE2009★ 104 cited

Multiwavelength monitoring of the enigmatic Narrow-Line Seyfert 1 PMN J0948+0022 in March-July 2009

LAT Collaboration, E. Angelakis, C. Bailyn +39

Following the recent discovery of gamma rays from the radio-loud narrow-line Seyfert 1 galaxy PMN J0948+0022 (z=0.5846), we started a multiwavelength campaign from radio to gamma r…