YNAO40m
my home upper gernal Observation ARO HHT ARO 12M ASTE CSO DeLingHa13 IRAM 30M KOSMA LSST Nobeyama 45M YNAO40m SESHAN25 Herschel

Caution!! Although I am happy to share my research notes below with all visitors to my webpages, these pages are mainly designed for my own use and subject to change without warning. I do not guarantee the correctness of all contents as well.

YNAO40m -- The 40m radio telescope of Yunnan Astronomical Observatory

 Basic info:

Location: East 102d 47m 24s, North 25d 01m 19s
Elevation: 2000 m above sea level
Diameter: 40m for nu < 3.75 GHz; 26m for nu > 3.75 GHz

Mounting: Azimuth-Elevation
F/D: 0.33 (primary focus?? how about the Cassegrain focus??)
Surface structure: Aluminum panels (in the inner 26m diameter) + Welded stainless steel mesh (outer part) + subreflecter of diameter 4.2m
RMS Surface Accuracy: 0.256mm (inner diameter of 26m) and 0.496mm (outer mesh)

Pointing accuracy: 28"
Slew rate: 0.001~0.5 deg/sec (elevation); 0.001~1.0 deg/sec (Azimuth)
Slew range : 2~90 deg (elevation); +-270 deg from south (Azimuth)
Tower hight: 10m (made of concrete)
Total weight: 360 Ton

Frequency range: S/X band (currently only bwteen 2.2-2.3 GHz, limited by feed system), K band (22-24 GHz, in plan)
Receiver & Backends: Pulsar receiver (continuum sampled at several frequencies with a time resolution of 20 ms), 23GHz receiver (for H2O and NH3, in plan)

 

 [ previous ] [ upper ] [ next ] Welcome comments to me: jinhuaheynao.ac.cn [back to my Home]