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: 0130+50 KT PER 1317-41 V803 CEN No. 488 0206+57A TZ PER 1911-00 FO AQL August 30, 1999 0207-63 WX HYI 1934+30 EM CYG 0217+70 AM CAS 2043+41 V516 CYG 0809-76 Z CHA ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 22.90 13.6 GRR AUG 30.0729 12.4 BRJ AUG 25.946 13.3 RMQ AUG 30.2099 12.3 BEB AUG 28.035 12.1 PYG ---------------------------------------------------------------------------- 0206+57A TZ PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable TZ PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 28.038 14.5 PYG AUG 30.3037 13.0: BEB AUG 30.0743 13.0 BRJ ---------------------------------------------------------------------------- 0207-63 WX HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable WX HYI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 26.06 14.2 MLF AUG 29.4507 12.9 SRX AUG 29.1 <13.0 OB AUG 30.176 12.3 OB AUG 29.4014 13.0 SRX AUG 30.4257 12.2 SRX ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 21.010 14.5: DPV AUG 27.942 13.2 MUY AUG 21.910 <13.5 MUY ---------------------------------------------------------------------------- 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 AUG 24.4312 <13.2 SRX AUG 30.3924 12.5 SRX AUG 29.4118 12.5 SRX AUG 30.4014 12.4 SRX AUG 29.4535 12.4 SRX AUG 30.4722 12.4 SRX ---------------------------------------------------------------------------- 1317-41 V803 CENTAURI The cataclysmic variable V803 CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 29.4035 <15.1 SRX AUG 30.3861 13.8 SRX ---------------------------------------------------------------------------- 1911-00 FO AQUILAE The dwarf nova type (SS CYG subclass) cataclysmic variable FO AQL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 24.1390 15.66 CCDV ZRE AUG 30.0618 14.3 BRJ AUG 27.891 13.9 PYG AUG 30.242 14.5 OCN AUG 29.3868 14.0 SRX AUG 30.4069 14.0 SRX AUG 29.87 14.3 VET ---------------------------------------------------------------------------- 1934+30 EM CYGNI The dwarf nova type (Z CAM subclass) cataclysmic variable EM CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 22.0382 14.5 POX AUG 27.983 12.6 PYG AUG 24.1490 13.6 CCDV ZRE AUG 28.88 12.2 VET AUG 25.926 12.6 RMQ AUG 28.88 12.2 VET AUG 26.9 12.4 VET AUG 29.86 12.3 VET AUG 27.1910 12.4 RR AUG 30.0660 12.3 BRJ AUG 27.932 12.6 MUY AUG 30.1421 12.4 BEB ---------------------------------------------------------------------------- 2043+41 V516 CYGNI The dwarf nova type (SS CYG subclass) cataclysmic variable V516 CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 25.1620 17.33 CCDV ZRE AUG 30.0819 14.0 BRJ AUG 27.977 14.4 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA POX - M. POXON, ENGLAND BRJ - J. BORTLE, USA PYG - G. POYNER, ENGLAND DPV - P. DUBOVSKY, SLOVAKIA RMQ - M. RESZELSKI, POLAND GRR - R. GORDON, USA RR - R. ROYER, USA MLF - L. MONARD, SOUTH AFRICA SRX - R. STUBBINGS, AUSTRALIA MUY - E. MUYLLAERT, BELGIUM VET - M. VERDENET, FRANCE OB - M. OVERBEEK, SOUTH AFRICA ZRE - R. ZISSELL, USA OCN - S. O'CONNOR, CANADA 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! ____________________________________________________________________________