Astrophysics (Index)About

Spektr-R

(10 m space radio telescope)

Spektr-R is a defunct 10-meter space radio telescope launched in 2011, which operated until equipment failure in 2019. Among its uses was providing one end of very-long-baseline interferometry (VLBI). Its elliptical orbit extends to 384,000 km. It operated at 1.35, 6.0, 18.0, and 92.0 cm radio wavelengths.

Spektr-R was one telescope of the RadioAstron program which coordinated its use as one end of a radio interferometer using various Earth-based radio telescopes as the other end. VLBI using it had the potential for extreme angular resolution (0.01 microarcseconds at the extreme end of its orbit), but required a bright radio source because of Spektr-R's 10-meter dish, small for a radio telescope.


(telescope,radio,spacecraft,Russian,VLBI,past)
Further reading:
https://en.wikipedia.org/wiki/Spektr-R
http://www.asc.rssi.ru/radioastron/
https://ui.adsabs.harvard.edu/abs/2012RSB...343...22K/abstract
http://www.russianspaceweb.com/spektr_r.html

Referenced by pages:
angular resolution
Green Bank 140 Foot Telescope
HALCA

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