Astronomy
General resources, data bases, software
- NASA/IPAC Extragalactic Database (NED)
- SIMBAD
- CDS Service for Astronomical Catalogues (VizieR)
- Catalogue of high-redshidt AGNs (Perger et al. 2017)
- International Astronomy Meetings
- Sloan Digital Sky Survey (SDSS) DR16 * SDSS III
- Faint Images of the Radio Sky at Twenty-centimeters (FIRST) survey
- VLBA Calibrator Search Tool
- International Celestial Reference Frame (ICRF)
- Astrogeo: geodetic/astrometric VLBI data and images
- Bordeaux VLBI Image Database
- Fundamental Reference Image Data Archive (USNO)
- MOJAVE * VLBA 2-cm Survey * VLBA-VSOP 6-cm Prelaunch Survey
- VLBA Imaging and Polarimetry Survey (VIPS)
- The mJy Imaging VLBA Exploration (mJIVE-20)
- AIPS Classic Home Page * Difmap * Sched * Caltech VLBI Analysis Programs
- SIMBAD
Observatories and institutes
- European VLBI Network (EVN)
* Joint Institute for VLBI ERIC (JIVE)
- Netherlands Institute for Radio Astronomy (ASTRON)
- Very Long Baseline Array (VLBA) * Karl G. Jansky Very Large Array (VLA) * NRAO Archive Access Tool
- e-MERLIN
- Square Kilometre Array (SKA)
- International VLBI Service for Geodesy and Astrometry (IVS)
- VLBI Space Observatory Programme (VSOP) * RadioAstron
- Department of Astronomy, Loránd Eötvös University, Budapest (ELTE)
- Netherlands Institute for Radio Astronomy (ASTRON)
Bibliographic services and publishers
- ADS Astronomy and Astrophysics Abstract Service
- arXiv.org preprints (astrophysics)
- Science Direct * Springer Link * Google Scholar
- Hungarian scientific bibliography database (MTMT)
Space agencies & portals
- arXiv.org preprints (astrophysics)
- Űrvilág Hungarian space portal
- Hungarian Astronautical Society (MANT)
- Hungarian Astronautical Society (MANT)