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: 0217+70 AM CAS 1807-27 V1830 SGR No. 974 0714-26 WZ CMA 1815-83 NSV 10934 June 3, 2002 0725+06 SV CMI 1911-00 FO AQL 0744-23 BV PUP 1913+37 TK5 LYR 0939+52 ER UMA 1951-09 UU AQL 1508+23 NY SER ---------------------------------------------------------------------------- 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 MAY 17.0021 14.6 RMQ JUN 01.9722 13.0 RMQ MAY 18.0292 14.6 RMQ ---------------------------------------------------------------------------- 0714-26 WZ CANIS MAJORIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable WZ CMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 30.3530 <14.4 SRX JUN 02.3540 15.0 SRX JUN 01.3530 <14.8 SRX JUN 03.3940 15.0 SRX ---------------------------------------------------------------------------- 0725+06 SV CANIS MINORIS The dwarf nova type (Z CAM subclass) cataclysmic variable SV CMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 01.3600 <14.4 SRX JUN 02.2750 13.7 LMK ---------------------------------------------------------------------------- 0744-23 BV PUPPIS The dwarf nova type (SS CYG subclass) cataclysmic variable BV PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 29.3560 14.8 SRX JUN 01.3560 13.4 SRX MAY 30.3510 14.6 SRX JUN 02.3520 13.8 SRX MAY 31.4390 13.8 SRX JUN 03.4100 13.8 SRX ---------------------------------------------------------------------------- 0939+52 ER URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable ER UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 30.9330 14.4 PYG JUN 01.8523 13.72 CCD DRG MAY 31.2229 <14.2 BTH JUN 02.1479 13.5 SXN MAY 31.9260 13.6 MGH JUN 02.2944 12.9 LMK ---------------------------------------------------------------------------- 1508+23 NY SERPENTIS The dwarf nova type (SU UMA subclass) cataclysmic variable NY SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 20.8870 17.8: CCD DRG JUN 01.1701 <14.7 SXN MAY 21.2306 <14.4 SXN JUN 01.8745 15.04 CCD DRG MAY 26.9780 <14.7 PYG JUN 01.9750 <14.4 PYG MAY 30.9660 <15.5 PYG JUN 02.4431 14.8 LMK ---------------------------------------------------------------------------- 1807-27 V1830 SAGITTARII The dwarf nova type cataclysmic variable V1830 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 24.4810 <13.5 NLX JUN 02.4940 12.7 SRX MAY 31.6160 <13.0 SRX JUN 02.5030 12.7 SRX JUN 01.4230 <13.0 SRX JUN 03.4270 12.7 SRX ---------------------------------------------------------------------------- 1815-83 NSV 10934 The cataclysmic variable NSV 10934 appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 01.3940 <14.8 SRX JUN 02.3970 12.9 SRX JUN 02.3870 12.9 SRX JUN 03.3830 12.9 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 MAY 31.4083 <14.0 LMK JUN 02.3854 13.6 LMK MAY 31.6230 <13.7 SRX JUN 02.5350 13.8 SRX JUN 01.2465 13.6 SXN JUN 03.5760 13.8 SRX JUN 01.9188 13.8 RMQ ---------------------------------------------------------------------------- 1913+37 TK5 LYRAE The dwarf nova type cataclysmic variable TK5 LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 15.4190 16.5 CCDV JM MAY 22.2493 <14.8 SXN MAY 19.3181 <14.8 SXN JUN 01.0153 14.8 JCN MAY 21.2778 <14.8 SXN JUN 01.2139 14.7 SXN ---------------------------------------------------------------------------- 1951-09 UU AQUILAE The dwarf nova type cataclysmic variable UU AQL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 01.2444 <13.9 SXN JUN 03.5740 11.5 SRX JUN 02.5270 12.2 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BTH - T. BURROWS, USA NLX - P. NELSON, AUSTRALIA DRG - R. DIETHELM, SWITZERLAND PYG - G. POYNER, ENGLAND JCN - C. JONES, ENGLAND RMQ - M. RESZELSKI, POLAND JM - R. JAMES, USA SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA SXN - M. SIMONSEN, USA MGH - H. MCGEE, 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! ____________________________________________________________________________