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personal data approved: 2016. IV. 14.
Personal data
name Sándor Frey
year of birth 1967
name of institution
doctoral school
ELTE Doctoral School of Physics (Announcer of research topic)
Contact details
E-mail address sandor.freygmail.com
phone number +36 27 200-802
own web page
Academic title
scientific degree, title Ph.D.
year degree was obtained 2001
discipline to which degree belongs physics
institution granting the degree Eötvös Loránd University
Employment
1991 - Földmérési és Távérzékelési Intézet (research institute, not university)
other (not specified) (vezető főtanácsos)
Thesis topic supervisor
number of doctoral students supervised until now
number of students who fulfilled course requirements
students who obtained their degrees:
  Thesis topic proposals
Research
research area radio astronomy, radio interferometry, extragalactic astronomy, active galactic nuclei, celestial reference frames
research field in which current research is conducted physics
Publications
2016

Frey S, Paragi Z, Gabányi K É, An T: Four hot DOGs in the microwave, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 455: pp. 2058-2065.
type of document: Journal paper/Article
number of independent citations: 1
language: English
Full text 
2016

Coppejans R, Frey S, Cseh D, Müller C, Paragi Z, Falcke H, Gabányi K É, Gurvits L I, An T, Titov O: On the nature of bright compact radio sources at z>4.5, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 463: pp. 3260-3275.
type of document: Journal paper/Article
language: English
Full text 
2015

Frey S, Paragi Z, Fogasy J O, Gurvits L I: The first estimate of radio jet proper motion at z>5, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 446: pp. 2921-2928.
type of document: Journal paper/Article
number of independent citations: 2
language: English
Full text 
2014

Deane R P, Paragi Z, Jarvis M J, Coriat M, Bernardi G, Fender R P, Frey S, Heywood I, Klöckner H-R, Grainge K, Rumsey C: A close-pair binary in a distant triple supermassive black hole system, NATURE 511: (7507) pp. 57-60.
type of document: Journal paper/Article
number of independent citations: 17
language: English
Full text 
2013

Orosz G, Frey S: Optical-radio positional offsets for active galactic nuclei, ASTRONOMY & ASTROPHYSICS 553: Paper A13. 10 p.
type of document: Journal paper/Article
number of independent citations: 8
language: English
Full text 
2008

Frey S, Gurvits L I, Paragi Z, Gabányi K É: High-resolution double morphology of the most distant known radio quasar at z=6.12, ASTRONOMY & ASTROPHYSICS 484: pp. L39-L42.
type of document: Journal paper/Article
number of independent citations: 8
language: English
Full text 
2000

Fomalont E B, Frey S, Paragi Z, Gurvits L I, Scott W K, Taylor A R, Edwards P G, Hirabayashi H: The VSOP 5 GHz Continuum Survey: The Prelaunch VLBA Observations, ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES 131: pp. 95-183.
type of document: Journal paper/Article
number of independent citations: 97
language: English
DOI 
2000

Frey S, Gurvits L I, Altschuler D R, Davis M M, Perillat P, Salter C J, Aller M F, Aller H D, Hirabayashi H: Dual-frequency VSOP observations of AO 0235+164, PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 52: pp. 975-982.
type of document: Journal paper/Article
number of independent citations: 13
language: English
URL 
1999

Gurvits L I, Kellermann K I, Frey S: The ”angular size-redshift” relation for compact radio structures in quasars and radio galaxies, ASTRONOMY & ASTROPHYSICS 342: pp. 378-388.
type of document: Journal paper/Article
number of independent citations: 114
language: English
URL 
1997

Frey S, Gurvits L I, Kellermann K I, Schilizzi R T, Pauliny-Toth I I K: High resolution radio imaging of the extremely distant quasars 1251-407, 1351-018, 1354-174 and 1508+572, ASTRONOMY & ASTROPHYSICS 325: pp. 511-515.
type of document: Journal paper/Article
number of independent citations: 17
language: English
URL 
Number of independent citations to these publications:277 
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
121
number of scientific publications:
136
monographs and professional books:
0
monographs/books in which chapters/sections were contributed:
0 
scientific publications published abroad that meet the accreditation criteria:
104
publications not in Hungarian, published in Hungary, meeting the accreditation criteria:
8
number of independent citations to scientific publications and creative works:
523

 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 1.2318 ( 2016. XI. 26. )