34 citations · 77 across the 10 of their papers we have counts for
10 papers
Discovery of a giant radio outburst of the narrow-line Seyfert 1 galaxy SDSS J110546.07+145202.4
K. É. Gabányi, S. Komossa, A. Kraus +2
We have identified a high-amplitude radio outburst in the course of a large-sample study of the radio properties of narrow-line Seyfert 1 (NLS1) galaxies. We have analysed previous…
Zooming into the neutrino-associated blazar candidate J1718+4239
K. Perger, S. Frey, K. É. Gabányi +1
The radio quasar NVSS~J171822+423948 (J1718+4239) was proposed as the counterpart of the IceCube neutrino event IC-201221A. To reveal the nature of the source, we conducted new ver…
High-resolution radio observations of TeV candidate sources
J. Kőmíves, K. É. Gabányi, S. Frey +3
Radio-loud active galactic nuclei (AGN) with their jets pointed close to our line of sight constitute the majority of extragalactic -ray sources and significantly contribute to…
Deep silence: radio properties of little red dots
K. Perger, J. Fogasy, S. Frey +1
To investigate the radio properties of the recently found high-redshift population, we collected a sample of little red dots (LRDs) from the literature. By cross-matching the…
Episodic ejection from a low-mass young stellar object traced by HO masers
Zs. M. Szabó, O. Bayandina, Á. Kóspál +5
We present the project of a VLBI study of the 22 GHz HO maser in a prototypical low-mass protostellar system IRAS 16293-2422. The observation was conducted to characterise the…
Mid-infrared interferometric variability of DG Tau: implications for the inner-disk structure
J. Varga, K. É. Gabányi, P. Ábrahám +12
Context. DG Tau is a low-mass pre-main sequence star, whose strongly accreting protoplanetary disk exhibits a so-far enigmatic behavior: its mid-infrared thermal emission is strong…
A seasonal cycle and an abrupt change in the variability characteristics of the intraday variable source S4 0954+65
N. Marchili, T. P. Krichbaum, X. Liu +5
The BLLac object S4 0954+65 is one of the main targets of the Urumqi monitoring program targeting IntraDay Variable (IDV) sources. Between August 2005 and December 2009, the source…
Observations of IntraDay Variable sources with the Effelsberg and Urumqi Radio Telescopes
N. Marchili, T. P. Krichbaum, X. Liu +7
A sample of classical IntraDay Variable (IDV) and IDV candidate sources has been monitored with the Urumqi 25m telescope and the Effelsberg 100m telescope. Aim of the project is to…
Effects of the turbulent ISM on radio observations of quasars
K. É. Gabányi, S. Britzen, T. P. Krichbaum +5
In radio bands, the study of compact radio sources can be affected by propagation effects through the Interstellar Medium. These are usually attributed to the presence of turbulent…
Rapid and correlated variability of blazar S5 0716+71 from radio- to sub-mm bands
L. Fuhrmann, T. P. Krichbaum, A. Witzel +9
The BL Lac object S5 0716+71 was target of a coordinated and global multi-frequency campaign to search for rapid and correlated variability and signatures of the inverse-Compton ca…