English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

Results of solar observations at 20 and 25 MHz by the UTR-2(\textit{Ukrainian T-shaped Radio telescope of the second modification}) radiotelescope in the interferometric session from 27 May to 2 June 2014 arepresented. In such a case the different baselines 225, 450, and 675 m betweensections of East--West and North--South arms of the radio telescope UTR-2 wereused. On 29 May 2014, strong sporadic radio emission consisting of Type III, aType II and a Type IV bursts was observed. On other days there was no solarradio activity in the decameter range. We discuss the results of observationsof such the quiet Sun. Fluxes and sizes of the Sun in East--West andNorth--South directions were measured. The average fluxes were 1050--1100 Jyand 1480--1570 Jy at 20 and 25 MHz, respectively. Angular sizes of the quietSun in equatorial and polar directions were 55' and 49' at 20 MHz and 50' and42' at 25 MHz. Brightness temperatures of radio emission were Tb = 5.1 10^5 Kand Tb = 5.7 10^5 K at 20 and 25 MHz, respectively.

Interferometric Observations of the Quiet Sun at 20 and 25 MHz in May 2014