Technical Specifications of the Very Small Array
| Overview | |
|---|---|
| Location | Teide Observatory, Tenerife |
| Type | 14-element |
| Scanning | Tracking by antennas co-mounted on tip-table. Horns rotate E-W. |
| Pointing range | Hour Angle: ± 3 hrs
Declination: -7 to +63 |
| Antennas | Corrugated horn feeding 90 degree-offset paraboloidal mirror |
| Receivers | NRAO design pseudomorphic HFETs cooled to 15K with Noise temp 25K |
| Frequency | 31 GHz ± 5 GHz |
| Bandwidth | 1.5 GHz |
| 1st LO | 20-30 GHz |
| 2nd LO | 9.0 GHz (fixed) |
| Baselines | 91 |
| Correlator | 182 analogue phase-switched channels + 4 Source Subtractor |
| Compact Array | |
| Primary beam | 4.5º |
| Resolution | 30 arcminutes |
| l-range | 100 - 800 |
| Sensitivity | 25 mJy in 300 hrs |
| Extended Array | |
| Primary beam | 2.0º |
| Resolution | 12 arcminutes |
| l-range | 250 - 1500 |
| Sensitivity | 5 mJy in 300 hrs |
