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: 0124+57 KU CAS 1841+37 AY LYR No. 633 0130+50 KT PER 2023+43 V503 CYG June 9, 2000 1140-03 TW VIR 2053+25 VW VUL ---------------------------------------------------------------------------- 0124+57 KU CASSIOPEIAE The dwarf nova type (SS CYG subclass) cataclysmic variable KU CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 02.4507 <15.3 HSG JUN 09.4340 13.4 HSG ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 02.4556 <14.7 HSG JUN 09.4417 12.7 HSG ---------------------------------------------------------------------------- 1140-03 TW VIRGINIS The dwarf nova type cataclysmic variable TW VIR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 07.2118 <15.0 HSG JUN 08.5160 13.5 PEX JUN 07.890 <13.9 OJR ---------------------------------------------------------------------------- 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 07.2389 <15.5 HSG JUN 08.97 13.6 GUN JUN 07.90 <14.8 VET JUN 08.9840 13.2 DPV JUN 07.997 <14.5 RMQ JUN 09.014 13.4 RMQ JUN 08.2674 14.3 WSN JUN 09.2028 13.3 HSG JUN 08.3431 14.3 WSN JUN 09.2590 13.2 SXN JUN 08.89 13.6 VET JUN 09.4097 13.3 HSG JUN 08.94 13.6: SCZ JUN 09.4674 13.2 BTH JUN 08.941 13.3 RMQ ---------------------------------------------------------------------------- 2023+43 V503 CYGNI The dwarf nova type (SU UMA subclass) cataclysmic variable V503 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 04.2120 16.68 CCDV ZRE JUN 07.2507 <15.0 HSG JUN 07.053 <15.0 PYG JUN 09.4146 13.4 HSG ---------------------------------------------------------------------------- 2053+25 VW VULPECULAE The dwarf nova type cataclysmic variable VW VUL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 07.041 14.9 PYG JUN 08.969 14.0: RMQ JUN 07.2708 <14.2 SXN JUN 09.0167 13.5 DPV JUN 07.944 <13.7 OJR ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BTH - T. BURROWS, USA RMQ - M. RESZELSKI, POLAND DPV - P. DUBOVSKY, SLOVAKIA SCZ - E. SCHWEITZER, FRANCE GUN - J. GUNTHER, FRANCE SXN - M. SIMONSEN, USA HSG - G. HANSON II, USA VET - M. VERDENET, FRANCE OJR - J. OSORIO, SPAIN WSN - T. WILSON, USA PEX - A. PEARCE, AUSTRALIA ZRE - R. ZISSELL, USA PYG - G. POYNER, 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! ____________________________________________________________________________