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: 0217+70 AM CAS 2026-45 TU IND No. 406 1552+72 SS UMI March 11, 1999 ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 07.1146 15.5: HSG MAR 10.1194 14.6 HSG MAR 09.0 <14.5 CGF MAR 11.0250 13.1 CGF MAR 09.936 <13.8 MGH ---------------------------------------------------------------------------- 1552+72 SS URSAE MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable SS UMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 10.1132 <14.7 HSG MAR 11.072 14.1 PYG ---------------------------------------------------------------------------- 2026-45 TU INDI The dwarf nova type cataclysmic variable TU IND may be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials MAR 10.884 13.8 PEX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA PEX - A. PEARCE, AUSTRALIA HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND MGH - H. MCGEE, ENGLAND 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! ____________________________________________________________________________