Publications (74)
The VSOP 5 GHz AGN Survey: III. Imaging Results for the First 102 Sources
W. K. Scott, E. B. Fomalont, S. Horiuchi +17
Probing the Active Massive Black Hole Candidate in the Center of NGC 404 with VLBI
Z. Paragi, S. Frey, P. Kaaret +3
VLBI imaging of extremely high redshift quasars at 5 GHz
Z. Paragi, S. Frey, L. I. Gurvits +5
The radio structure of 3C 316, a galaxy with double-peaked narrow optical emission lines
T. An, Z. Paragi, S. Frey +6
Four dual AGN candidates observed with the VLBA
K. Ã. Gabányi, T. An, S. Frey +4
Constraining the parameters of the putative supermassive binary black hole in PG 1302-102 from its radio structure
E. Kun, S. Frey, K. Ã. Gabányi +3
Redshift, Time, Spectrum - the most distant radio quasars with VLBI
S. Frey, L. I. Gurvits, Z. Paragi +1
Potential Targets for ASTRO-G In-Beam Phase-Referencing
S. Frey, K. E. Gabanyi
A Single Radio Source in the High-redshift Dual AGN LBQS 0302-0019
S. Frey, K. Ã. Gabányi
Unveiling recurrent jets of the ULX Holmberg II X-1: evidence for a massive stellar-mass black hole?
D. Cseh, P. Kaaret, S. Corbel +10
A suspected Dark Lens revealed with the e-EVN
Z. Paragi, S. Frey, B. Campbell +1
On the connection of the apparent proper motion and the VLBI structure of compact radio sources
A. Moór, S. Frey, S. B. Lambert +2
Mid-infrared variability of the neutrino source blazar TXS 0506$+$056
K. Ã. Gabányi, A. Moór, S. Frey
The radio structure of the peculiar narrow-line Seyfert 1 galaxy candidate J1100+4421
K. Ã. Gabányi, S. Frey, Z. Paragi +5
Four hot DOGs in the microwave
S. Frey, Z. Paragi, K. Ã. Gabányi +1
VSOP observation of the quasar PKS 2215+020: a new laboratory for core-jet physics at z=3.572
A. P. Lobanov, L. I. Gurvits, S. Frey +4
VSOP monitoring of the compact BL Lac object AO 0235+164
S. Frey, L. I. Gurvits, D. C. Gabuzda +7
Multi-frequency investigation of the parsec- and kilo-parsec-scale radio structures in high-redshift quasar PKS 1402+044
J. Yang, L. I. Gurvits, A. P. Lobanov +2
The most distant radio quasars at the highest resolution
S. Frey, Z. Paragi, . L. I. Gurvits +2
Two in one? A possible dual radio-emitting nucleus in the quasar SDSS J1425+3231
S. Frey, Z. Paragi, T. An +1
Into the central 10 pc of the most distant known radio quasar. VLBI imaging observations of J1429+5447 at z=6.21
S. Frey, Z. Paragi, L. I. Gurvits +2
VLBI observations of the radio quasar J2228+0110 at z=5.95 and other field sources in multiple-phase-centre mode
H. -M. Cao, S. Frey, L. I. Gurvits +5
High-resolution double morphology of the most distant known radio quasar at z=6.12
S. Frey, L. I. Gurvits, Z. Paragi +1
Searching for a pair of accreting supermassive black holes in J1425+3231
K. Ã. Gabányi, S. Frey, Z. Paragi +2
High-resolution radio imaging of the gamma-ray blazar candidate J1331+2932
A. Gemes, K. Ã. Gabányi, S. Frey +3
The Apparent "Angular Size - Frequency" Dependence in ~3000 Parsec-scale Extragalactic Jets
J. Yang, L. I. Gurvits, S. Frey +1
A close-pair binary in a distant triple supermassive black-hole system
R. P. Deane, Z. Paragi, M. J. Jarvis +8
A compact radio source in the high-redshift soft gamma-ray blazar IGR J12319-0749
S. Frey, Z. Paragi, K. E. Gabanyi +1
High-resolution images of five radio quasars at early cosmological epochs
S. Frey, Z. Paragi, L. I. Gurvits +2
High-resolution radio imaging of two luminous quasars beyond redshift 4.5
S. Frey, O. Titov, A. E. Melnikov +2
High-Resolution Radio Image of a Candidate Radio Galaxy at z=5.72
K. Ã. Gabányi, S. Frey, L. I. Gurvits +2
Four hot DOGs eaten up with the EVN
S. Frey, Z. Paragi, K. E. Gabanyi +1
Radio Properties of the $γ$-ray Emitting CSO Candidate 2234+282
T. An, Y. -Z. Cui, K. E. Gabanyi +3
The highest redshift radio quasar as seen with the EVN and the VLA
S. Frey, Z. Paragi, L. Mosoni +1
Parsec-scale jet properties of the quasar PG 1302$-$102
P. Mohan, T. An, S. Frey +3
Optical-radio positional offsets for active galactic nuclei
G. Orosz, S. Frey
Radio interferometric observations of two core-dominated triple radio sources at z>3
D. Cseh, S. Frey, Z. Paragi +2
On the Doppler boosting in the compact radio jet of the distant blazar J1026+2542 at z=5.3
S. Frey, J. O. Fogasy, Z. Paragi +1
WMAP extragalactic point sources as potential Space VLBI calibrators
K. Gereb, S. Frey
VLBI search for the radio counterpart of HESS J1943+213
K. E. Gabanyi, G. Dubner, E. Giacani +3
Compact radio emission indicates a structured jet was produced by a binary neutron star merger
G. Ghirlanda, O. S. Salafia, Z. Paragi +33
The evolution of a jet ejection of the ultraluminous X-ray source Holmberg II X-1
D. Cseh, J. C. A. Miller-Jones, P. G. Jonker +7
4C 02.27: what is inside a double-double radio quasar?
S. Frey, Z. Paragi
Deep Extragalactic VLBI-Optical Survey (DEVOS): I. Pilot MERLIN and VLBI observations
L. Mosoni, S. Frey, L. I. Gurvits +3
Celestial positions in radio and optical
S. Frey, P. Veres, K. Vida
Constraining the radio jet proper motion of the high-redshift quasar J2134-0419 at z=4.3
K. Perger, S. Frey, K. Ã. Gabányi +12
The ``angular size - redshift'' relation for compact radio structures in quasars and radio galaxies
L. I. Gurvits, K. I. Kellermann, S. Frey
Infrared variability of radio-loud narrow-line Seyfert 1 galaxies
K. Ã. Gabányi, A. Moór, S. Frey
A close look at compact triple radio sources
D. Cseh, A. Fuhl, S. Frey
Radio structure of the most distant radio-detected quasar at the ten milli- arcsecond scale
S. Frey, L. Mosoni, Z. Paragi +1
Radio-optical outlier quasars - a case study with ICRF2 and SDSS
G. Orosz, S. Frey
The VSOP 5 GHz Active Galactic Nucleus Survey: V. Imaging Results for the Remaining 140 sources
R. Dodson, E. B. Fomalont, K. Wiik +21
Deep Extragalactic VLBI-Optical Survey (DEVOS) II. Efficient VLBI detection of SDSS quasars
S. Frey, L. I. Gurvits, Z. Paragi +3
High-resolution radio imaging of the most distant radio quasar SDSS J0836+0054
S. Frey, Z. Paragi, L. Mosoni +1
The VSOP 5 GHz AGN Survey II. Data Calibration and Imaging
J. E. J. Lovell, G. A. Moellenbrock, S. Horiuchi +18
The VSOP Survey: Final individual results + Final aggregate results
R. Dodson, S. Horiuchi, W. Scott +10
e-MERLIN observations of the puzzling TeV source HESS J1943+213
K. E. Gabanyi, G. Dubner, E. Giacani +2
The compact core-jet region of the superluminal quasar 3C216
Z. Paragi, S. Frey, I. Fejes +3
The rise and fall of a binary AGN candidate: the story of PSO J334.2028+1.4075
P. Benke, S. Frey, K. Ã. Gabányi +7
The Most Compact Bright Radio-loud AGN -- II. VLBA Observations of Ten Sources at 43 and 86~GHz
X. -P. Cheng, T. An, X. -Y. Hong +10
Is 4C+29.48 a gamma-ray source?
K. Ã. Gabányi, S. Frey, T. An
A single radio-emitting nucleus in the dual AGN candidate NGC 5515
K. Ã. Gabányi, S. Frey, T. Xiao +4
Dual-Frequency VSOP Observations of AO 0235+164
S. Frey, L. I. Gurvits, D. R. Altschuler +6
Astrometry of OH/IR stars using 1612 MHz hydroxyl masers. I. Annual parallaxes of WX Psc and OH138.0+7.2
G. Orosz, H. Imai, R. Dodson +9
Identification of Potential Weak Target Radio Quasars for ASTRO-G In-Beam Phase-Referencing
S. Frey, K. E. Gabanyi, Y. Asaki
The radio-loud active nucleus in the "dark lens" galaxy J1218+2953
S. Frey, Z. Paragi, R. M. Campbell +1
4MOST: Project overview and information for the First Call for Proposals
R. S. de Jong, O. Agertz, A. Agudo Berbel +335
High-Redshift Quasars at the Highest Resolution: VSOP Results
S. Frey, L. I. Gurvits, A. P. Lobanov +2
VLBI surveys
S. Frey
VLBI observation of the newly discovered z=5.18 quasar SDSS J0131-0321
K. E. Gabanyi, D. Cseh, S. Frey +4
The first estimate of radio jet proper motion at z>5
S. Frey, Z. Paragi, J. O. Fogasy +1
Future mmVLBI Research with ALMA: A European vision
R. P. J. Tilanus, T. P. Krichbaum, J. A. Zensus +165
VLBI observations of four radio quasars at $z>4$: blazars or not?
H. -M. Cao, S. Frey, K. Ã. Gabányi +5
4MOST Scientific Operations
C. J. Walcher, M. Banerji, C. Battistini +65