SUMMARY OF PROPOSAL 43001 DR JOHN P. PYE LEICESTER UNIVERSITY UK LE1 7RH LEICESTER UNIVERSITY ROAD E-mail: PYE@STAR.LE.AC.UK Tel: +44 116 252 3552 Fax: +44 116 252 3311 Medium: 2GB8MM Subject: STARS Title: SPECTRAL SURVEY OF CONTACT BINARY SYSTEMS - W UMA A-TYPE SYSTEMS Abstract: We propose to observe, for 40ks each, 3 X-ray bright W UMa A-type binary systems. Our goal is to obtain high-quality spectra for modelling of the coronal structures. The proposed observations will extend the contact-binary sample (of 5 W-type systems and 1 A-type system) obtained by the present investigators in ASCA AOs 1-3, providing essential coverage at earlier spectral types and longer binary/rotation periods. Co-Is: 1 K. MAKISHIMA TOKYO UNIVERSITY JAPAN (No Co-I contact data) 2 S.T. HODGKIN LEICESTER UNIVERSITY UK 3 M.A. BARSTOW LEICESTER UNIVERSITY UK 4 J.E. MORLEY LEICESTER UNIVERSITY UK Target Name PRI RA Dec Time TC Off GIS SIS_Cts Obs ------------------- --- -------- -------- ---- -- --- --- ------- --- EPSILON CRA 1 284.6792 -37.1058 40 N Y P 0.04000 1