Transputer Modelling of Be Star Circumstellar Discs

Abstract

A m o d e l f o r t h e infra-red emis s ion f r o m t h e circumstel lar disc of a B e s tar i s presented. T h e s t ruc ture and o ther physical parame ter s of t h i s disc can be adju s t ed t o invest igate t h e infro,-red and optical lane emis s i o n f r o m such a n envelope. T h e m o d e l present ly u n d e r invest igat ion i s based o n the early work of Drnke and has been computed o n a p VAXII and a M e i k o C o m p u t i ng Surface. T h e parallel i m p l e m e n t a t i o n of t h i s mode l allows a m o r e complex and realist ic s t ruc ture t o be m o d elled in a reasonable t imescale . B o t h a n algori thmic and event decomposi t ion of t h e code have been investigated and t h e t w o m e t h o d s are compared. T h e mode l has been applied t o several B e s tar s with good agreement w i t h observat ional data.