VLBI observations with the Kunming 40-meter radio telescope

Details VLBI observations with the Kunming 40-meter radio telescope VLBI observations with the Kunming 40-meter radio telescope

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010raa....10..805h&link_type=abstract

Research in Astronomy and Astrophysics, Volume 10, Issue 8, pp. 805-814 (2010).

Astronomy and Astrophysics

Astrophysics

Scientific paper

The Kunming 40-meter radio telescope is situated in the yard of the Yunnan Astronomical Observatory (Longitude: 102.8° East, Latitude: 25.0° North) and saw its first light in 2006 May. The Kunming station successfully joined the VLBI tracking of China's first lunar probe “Chang'E-1" together with the other Chinese telescopes: the Beijing Miyun 50-meter radio telescope, Urumqi Nanshan 25-meter radio telescope, and Shanghai Sheshan 25-meter radio telescope, and received the downlinked scientific data together with the Miyun station from October of 2007 to March of 2009. We give an introduction to the new Chinese VLBI facility and investigate its potential applications. Due to its location, the Kunming station can significantly improve the u - v coverage of the European VLBI Network (EVN), in particular, in long baseline observations. We also report the results of the first EVN fringe-test experiment of N09SX1 with the Kunming station. The first fringes in the European telescopes were successfully detected at 2.3 GHz with the ftp-transferred data on 2009 June 17. From scheduling the observations to performing the post correlations, the Kunming station shows its good compatibility to work with the EVN. The imaging result of the extended source 1156+295 further demonstrates that the Kunming station greatly enhances the EVN performance.

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