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: 0809-76 Z CHA 1523+62 ES DRA No. 973 0945+34 RZ LMI 1717-12 RY SER May 31, 2002 1317-41 V803 CEN ---------------------------------------------------------------------------- 0809-76 Z CHAMAELONIS The dwarf nova type (SU UMA subclass) cataclysmic variable Z CHA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 29.3670 <14.4 SRX MAY 31.4400 12.4 SRX MAY 31.4280 12.3 SRX MAY 31.5030 12.4 SRX ---------------------------------------------------------------------------- 0945+34 RZ LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable RZ LMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 15.9090 15.0 PYG MAY 30.9260 13.8 PYG ---------------------------------------------------------------------------- 1317-41 V803 CENTAURI The variable V803 CEN is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 29.3620 14.8 SRX MAY 30.3021 13.9 LMK MAY 29.4280 14.6 SRX MAY 31.4280 12.6 SRX MAY 29.5670 13.6 SRX MAY 31.4440 12.5 SRX MAY 29.7160 13.0 MLF MAY 31.4860 12.6 SRX ---------------------------------------------------------------------------- 1523+62 ES DRACONIS The dwarf nova type cataclysmic variable ES DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 20.8849 16.31 CCD DRG MAY 30.9850 14.5 PYG ---------------------------------------------------------------------------- 1717-12 RY SERPENTIS The dwarf nova type cataclysmic variable RY SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 23.7740 <14.4 SRX MAY 31.5070 13.4 SRX MAY 31.4900 13.4 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: DRG - R. DIETHELM, SWITZERLAND PYG - G. POYNER, ENGLAND LMK - M. LINNOLT, USA SRX - R. STUBBINGS, AUSTRALIA MLF - I. MONARD, SOUTH AFRICA 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! ____________________________________________________________________________