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: 0058+40 RX AND 1730-47 BF ARA No. 676 0207-63 WX HYI 1804+67 EX DRA September 25, 2000 0217+70 AM CAS 1830-37 BP CRA 0855+18 SY CNC 1953+77 AB DRA 1640+25 AH HER 2026-45 TU IND 1723-46 AT ARA ---------------------------------------------------------------------------- 0058+40 RX ANDROMEDAE The dwarf nova type (Z CAM subclass) cataclysmic variable RX AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 22.0472 14.7 DPL SEP 24.2188 11.2 BTB SEP 22.84 14.5 VET SEP 24.2576 11.5 HSG SEP 23.019 14.5 RMQ SEP 24.79 11.1 GUN SEP 23.0375 <13.9 DPL SEP 24.8056 10.6 DPV SEP 23.79 13.1 GUN SEP 24.876 11.1 SPK SEP 23.84 12.8 VET SEP 24.905 10.9 MUY SEP 23.858 13.1 SPK SEP 24.924 11.1 RMQ SEP 23.939 12.2 RMQ SEP 25.0240 10.8 SJZ SEP 24.031 12.3 MUY SEP 25.0757 11.4 MDP SEP 24.063 11.7 RMQ SEP 25.1530 11.4 BOI SEP 24.064 11.8 PYG SEP 25.2333 10.8 HSG ---------------------------------------------------------------------------- 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 SEP 21.425 14.6 SRX SEP 24.400 12.3 SRX SEP 21.799 <13.5 PEX SEP 24.472 12.3 SRX SEP 22.403 14.6 SRX SEP 24.832 12.4 PEX SEP 23.871 12.4 PEX ---------------------------------------------------------------------------- 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 SEP 22.0389 14.4 CGF SEP 24.037 12.6 MUY SEP 22.0729 14.4 BRJ SEP 24.2681 12.7 HSG SEP 22.987 12.7 RMQ SEP 24.892 12.6 RMQ SEP 23.0403 13.1 BRJ SEP 24.915 12.6 MUY SEP 23.915 12.6 RMQ SEP 25.2389 12.6 HSG ---------------------------------------------------------------------------- 0855+18 SY CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable SY CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 25.052 12.7 RMQ SEP 25.13 11.5 GUN SEP 25.09 11.0 KTO ---------------------------------------------------------------------------- 1640+25 AH HERCULIS The dwarf nova type (Z CAM subclass) cataclysmic variable AH HER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 22.86 14.2 GGX SEP 24.79 13.5 GUN SEP 23.0305 <13.8 DPL SEP 24.7951 13.0 DPV SEP 23.79 14.2 GUN SEP 24.798 13.3 RMQ SEP 23.830 14.1 RMQ SEP 24.847 13.3 MUY SEP 24.1319 13.5 HSG SEP 25.1264 13.1 HSG ---------------------------------------------------------------------------- 1723-46 AT ARAE The dwarf nova type (SS CYG subclass) cataclysmic variable AT ARA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 21.5000 <14.6 NLX SEP 24.414 13.2 SRX SEP 22.408 14.0 SRX SEP 24.474 13.2 SRX ---------------------------------------------------------------------------- 1730-47 BF ARAE The dwarf nova type (SS CYG subclass) cataclysmic variable BF ARA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 21.5382 <14.5 NLX SEP 24.415 13.9 SRX SEP 22.409 <15.0 SRX SEP 24.474 13.9 SRX ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The eclipsing dwarf nova type cataclysmic variable EX DRA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 22.0674 15.0 CCDV ZRE SEP 24.1479 13.8 HSG SEP 22.984 15.0: RMQ SEP 24.2292 14.1 HSG SEP 23.909 15.3: RMQ SEP 24.2507 14.1 HSG SEP 24.018 <14.5 MUY SEP 24.853 13.7 MUY SEP 24.019 13.9 PYG SEP 24.887 13.6 RMQ SEP 24.1257 14.0 HSG SEP 25.1243 13.0 HSG ---------------------------------------------------------------------------- 1830-37 BP CORONAE AUSTRINAE The dwarf nova type (Z CAM subclass) cataclysmic variable BP CRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 21.5417 <14.5 NLX SEP 24.453 14.0 SRX SEP 22.437 14.2 SRX ---------------------------------------------------------------------------- 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 SEP 23.8340 14.6 JCN SEP 24.1264 14.2 HSG SEP 23.912 14.3 RMQ SEP 24.854 14.3 MUY SEP 24.017 14.3 MUY SEP 24.889 13.6 RMQ SEP 24.021 14.7 PYG SEP 25.1243 13.8 HSG ---------------------------------------------------------------------------- 2026-45 TU INDI The dwarf nova type cataclysmic variable TU IND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 22.417 <15.0 SRX SEP 24.473 14.0 SRX SEP 24.445 14.0 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BOI - B. BOIS, CANADA MDP - P. MCDONALD, CANADA BRJ - J. BORTLE, USA MUY - E. MUYLLAERT, BELGIUM BTB - T. BRETL, USA NLX - P. NELSON, AUSTRALIA CGF - G. CHAPLE JR., USA PEX - A. PEARCE, AUSTRALIA DPL - P. DOMBROWSKI, USA PYG - G. POYNER, ENGLAND DPV - P. DUBOVSKY, SLOVAKIA RMQ - M. RESZELSKI, POLAND GGX - G. GUZMAN, FRANCE SJZ - J. SPEIL, POLAND GUN - J. GUNTHER, FRANCE SPK - P. SCHMEER, GERMANY HSG - G. HANSON II, USA SRX - R. STUBBINGS, AUSTRALIA JCN - C. JONES, ENGLAND VET - M. VERDENET, FRANCE KTO - T. KINNUNEN, FINLAND ZRE - R. ZISSELL, USA 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! ____________________________________________________________________________