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: 0006-12 WW CET 1925+42 V1504 CYG No. 452 0809-76 Z CHA 1953+77 AB DRA June 14, 1999 0814+73 Z CAM 2125-03 VZ AQR 1841+37 AY LYR ---------------------------------------------------------------------------- 0006-12 WW CETI The dwarf nova type (possible Z CAM subclass) cataclysmic variable WW CET appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 03.7868 <13.0 SRX JUN 11.7778 12.5 SRX ---------------------------------------------------------------------------- 0809-76 Z CHAMAELEONIS 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 JUN 09.4972 <14.4 SRX JUN 11.6062 12.5 SRX ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 10.3465 13.0 ABB JUN 12.0972 12.2 BRJ JUN 10.945 13.0 RMQ JUN 12.2743 11.6 ABB JUN 11.1000 12.8 BRJ JUN 12.90 10.8 GUN JUN 11.2437 12.8 ABB JUN 12.979 10.9 PYG JUN 11.2910 12.8 SQN JUN 13.1215 11.0 CGF JUN 11.871 12.3 DPV JUN 13.2167 10.9 BTH JUN 11.90 12.3 GUN JUN 14.0965 10.6 CGF JUN 12.0681 11.7 CGF JUN 14.2146 10.4 BTH JUN 12.08 11.8 DGP JUN 14.2306 10.4 ABB ---------------------------------------------------------------------------- 1841+37 AY LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 13.024 <14.7 PYG JUN 14.1340 13.4 CGF JUN 13.1 <14.2 CGF JUN 14.2542 13.4 BTH JUN 13.2382 <13.6 BTH ---------------------------------------------------------------------------- 1925+42 V1504 CYGNI The dwarf nova type (possible Z CAM subclass) cataclysmic variable V1504 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 08.035 <15.5 PYG JUN 13.022 14.5 PYG JUN 09.999 <15.0 PYG ---------------------------------------------------------------------------- 1953+77 AB DRACONIS The dwarf nova type (Z CAM subclass) cataclysmic variable AB DRA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 13.013 14.7 PYG JUN 14.1181 13.2 CGF JUN 13.1 <14.0 CGF JUN 14.2667 12.7 BTH ---------------------------------------------------------------------------- 2125-03 VZ AQUARII The dwarf nova type (UG subclass) cataclysmic variable VZ AQR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 08.5972 <14.4 SRX JUN 12.014 12.8 OB JUN 11.0 <13.5 OB JUN 13.297 12.8 MRV JUN 11.6312 13.2 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: ABB - B. ADAMS, USA MRV - R. MODIC, USA BRJ - J. BORTLE, USA OB - M. OVERBEEK, SOUTH AFRICA BTH - T. BURROWS, USA PYG - G. POYNER, ENGLAND CGF - G. CHAPLE JR., USA RMQ - M. RESZELSKI, POLAND DGP - G. DYCK, USA SQN - L. SHAW, USA DPV - P. DUBOVSKY, SLOVAKIA SRX - R. STUBBINGS, AUSTRALIA GUN - J. GUNTHER, FRANCE Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Rebecca Pellock, Technical Assistant on behalf of Janet A. Mattei, Director ____________________________________________________________________________ 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! ____________________________________________________________________________