The OH Maser Line Receiving System for the Urumqi 25m Radio Telescope

Details The OH Maser Line Receiving System for the Urumqi 25m Radio Telescope The OH Maser Line Receiving System for the Urumqi 25m Radio Telescope

Oct 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005chjaa...5..557z&link_type=abstract

Chinese Journal of Astronomy and Astrophysics, Volume 5, Issue 5, pp. 557-562 (2005).

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

A maser spectral line system is newly implemented on the Urumqi 25m Radio Telescope. The system consists mainly of a cooling receiver and a 4096 channels digital correlation spectrometer. The frequency resolution of the spectrometer at the maximum signal bandwidth of 80 MHz is 19.5 kHz. After careful calibrations observation at the 1665 MHz OH maser emission was made towards a number of sources, including W49N and W75N. The observed results demonstrate that the digital correlation spectrometer is suitable for astronomical spectral line observations.

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