THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 http://www.aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0207-63 WX HYI No. 402 0803+62 SU UMA March 4, 1999 0855+18 SY CNC ---------------------------------------------------------------------------- 0207-63 WX HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable WX HYI is active, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 21.4722 14.1 SRX MAR 03.4479 13.0: SRX FEB 22.4667 <14.0 SRX MAR 03.723 13.4 MLF MAR 01.4347 12.4 SRX MAR 04.4361 11.8 SRX MAR 01.729 12.3 MLF ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 23.090 <14.3 MGH MAR 03.847 13.0 MUY FEB 24.857 <13.9 MUY MAR 03.969 13.2 PYG FEB 27.844 <13.4 MUY ---------------------------------------------------------------------------- 0855+18 SY CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable SY CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 24.853 13.2 MUY MAR 03.994 11.9 PYG MAR 03.844 12.0 MUY ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: MGH - H. MCGEE, ENGLAND PYG - G. POYNER, ENGLAND MLF - L. MONARD, SOUTH AFRICA SRX - R. STUBBINGS, AUSTRALIA MUY - E. MUYLLAERT, BELGIUM Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Janet A. Mattei, Director Rebecca Pellock, Technical Assistant ____________________________________________________________________________ Symbols may include: < = fainter than magnitude given (variable not seen) : = uncertain CCDV = Charge-coupled device with (V) filter If you would like to contribute to AAVSO NEWS FLASH, please send observations of unusual variable star activity to: observations@aavso.org Those who wish to subscribe (free of charge) or unsubscribe to NEWS FLASH may do so by visiting the following web page: http://www.aavso.org If you would like data from the AAVSO International Database for research purposes, please send your request to: Janet Mattei, AAVSO Director, at aavso@aavso.org An archive of past issues of the News Flash is available at the following web page: http://www.aavso.org/newsflash/ We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________