The Moolavar is Paramapadhanathan, Vaigundhanathan seen in seated posture facing west.  The vimanam (ashtaanga) is in three steps - the Lord is seen in seated posture in the lower step, in reclining posture with Sridevi & Boodevi in the middle step and in standing posture in the top step.

Thaayaar - Vaigundavalli.

Theertham - Airammadha Theertham.

Mangalasasanam:
Thirumangaialwar - 1128 - 1137.

Total of 10 Paasurams.