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 1910-26 V729 SGR No. 1188 0809-76 Z CHA 2043+41 V516 CYG July 1, 2003 1102-55 V342 CEN 2318+17 IP PEG ---------------------------------------------------------------------------- NOTE: We would like to inform our observers that the AAVSO Validation File was updated today. The updated file and lists of changes made have been posted on our website. (http://www.aavso.org/observing/aids/validation.shtml) Please be sure to update your copy of the AAVSO Validation File. ---------------------------------------------------------------------------- 0058+40 RX ANDROMEDAE The dwarf nova type (Z CAM subclass) cataclysmic variable RX AND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 25.3292 13.7 TDB JUN 30.9451 11.4 GUN JUN 25.3690 13.8 CCDV JM JUL 01.3132 11.5 TDB JUN 28.3174 14.4 TDB ---------------------------------------------------------------------------- 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 JUN 28.3920 <14.4 SRX JUL 01.5080 12.4 SRX JUL 01.4830 12.6 SRX ---------------------------------------------------------------------------- 1102-55 V342 CENTAURI The dwarf nova type cataclysmic variable V342 CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 25.3740 <15.0 SRX JUN 28.3900 <14.8 SRX JUN 26.5570 <14.6 SRX JUL 01.4910 14.6 SRX ---------------------------------------------------------------------------- 1910-26 V729 SAGITTARII The dwarf nova type cataclysmic variable V729 SGR may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 28.4560 <14.8 SRX JUL 01.4760 14.6 SRX ---------------------------------------------------------------------------- 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 JUN 28.2326 <15.5 TDB JUL 01.2389 13.9 TDB JUL 01.2222 14.1 SWT JUL 01.4097 13.7: LMK ---------------------------------------------------------------------------- 2318+17 IP PEGASI The dwarf nova type cataclysmic variable IP PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 23.3236 <15.2 SXN JUN 30.3000 12.9 HUZ JUN 24.0310 <13.9 MGH JUN 30.3396 12.9 HUZ JUN 29.3396 12.6 HUZ JUN 30.3639 13.3: HUZ JUN 29.3556 12.6 HUZ JUN 30.9729 12.7 GUN JUN 29.3799 12.6 HUZ JUL 01.2979 12.8 TSC JUN 30.2826 12.8 HUZ ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: GUN - J. GUNTHER, FRANCE SRX - R. STUBBINGS, AUSTRALIA HUZ - R. HUZIAK, CANADA SWT - R. STEWART, USA JM - R. JAMES, USA SXN - M. SIMONSEN, USA LMK - M. LINNOLT, USA TDB - D. TAYLOR, CANADA MGH - H. MCGEE, ENGLAND TSC - S. TRACY, USA Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Gamze Menali, 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! ____________________________________________________________________________