Astronomy Principles and Practice Fourth Edition.pdf

Aperture synthesis 369
Figure 21.18. Parkes steerable 210 ft radio telescope, Australia. (By courtesy of the Royal Astronomical Society.)
Table 21.1. Some of the larger radio astronomy observatories. Links related to the descriptions of most of the
world’s radio telescope facilities including the VLBI Networks can be found in a catalogue of Radio Telescope
Resources W21.4 .
Name Location Major equipment
Arecibo Observatory Puerto Rico 305 m (1000 ft) fixed spherical dish.
NRAO GBT Green Bank West Virginia 100 × 110 m steerable dish.
Effelsberg Radio Max-Planck-Institut 100 m (330 ft) steerable parabolic dish.
Telescope, Germany
Nuffield Radio Jodrell Bank, England 76 m (250 ft) steerable dish Lovell
Laboratory, Manchester
Telescope.
University
Mullard Radio Astronomy Cambridge, England Various interferometers (Ryle
Observatory
Telescope), source of the various ‘C’
catalogues
Radio Observatory, Nançay, France 305 m (1000 ft) partially steerable
Nançay (Observatory of
meridian transit array.
Paris)
ATNF Parkes Observatory NSW, Australia 64 m (210 ft) independent steerable
dish, also networked to form VLBI.
Dwingeloo Telescope The Netherlands 25 m dish.