The aim of the VAST pilot survey is to explore several key aspects of the full VAST survey, while maximising the scientific benefit of these early observations. To do this we will several regions of the sky designed to investigate both the processing challenges of complex regions (e.g. the Galactic centre region) and get interesting science (e.g. regions with good existing multi-wavelength coverage).
The system as used for RACS will be fine for our survey.
A plot of our survey regions is shown below.
We have 6 survey regions:
This is a total of 113 fields.
Frequency range: As for RACS “test4” observations.
Interleaving mode: As for RACS “test4” observations.
We have used the RACS fields as the basis for our survey. The files attached below (VAST_1-6.dat) give the list of fields for each of the 6 VAST regions. Each VAST region should be observed in each epoch.
This should give roughly 10-13 minutes on each field, depending on overheads.
We would like to discuss day/night performance and sun-angle effects to see if these will be significant issues for us.
We require Stokes I and Stokes V continuum images.