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: 0750-24 BX PUP 1207-43 MU CEN No. 1157 0854-24 VZ PYX 1338-07 HS VIR May 6, 2003 0910+09 GZ CNC 1621+39 V844 HER 0945+34 RZ LMI 1730-47 BF ARA ---------------------------------------------------------------------------- 0750-24 BX PUPPIS The dwarf nova type (Z CAM subclass) cataclysmic variable BX PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 05.4180 <14.8 SRX MAY 06.3920 14.4 SRX ---------------------------------------------------------------------------- 0854-24 VZ PYXIDIS The dwarf nova type (SU UMA subclass) cataclysmic variable VZ PYX appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 29.1260 15.7 CCDV JM MAY 04.4300 12.4 SRX APR 29.4190 15.0 SRX MAY 05.3760 13.2 SRX APR 30.3111 <14.0 LMK MAY 06.3970 14.7 SRX ---------------------------------------------------------------------------- 0910+09 GZ CANCRI The dwarf nova type cataclysmic variable GZ CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 05.3810 <14.8 SRX MAY 06.4250 13.6 SRX ---------------------------------------------------------------------------- 0945+34 RZ LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable RZ LMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 05.0889 <14.1 TSC MAY 05.9220 14.2 PYG ---------------------------------------------------------------------------- 1207-43 MU CENTAURI The dwarf nova type (SS CYG subclass) cataclysmic variable MU CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 28.4310 14.8 SRX MAY 05.4310 14.1 SRX APR 29.4290 14.6 SRX MAY 06.4140 13.8 SRX MAY 04.4170 14.2 SRX ---------------------------------------------------------------------------- 1338-07 HS VIRGINIS The dwarf nova type cataclysmic variable HS VIR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 04.4080 <14.9 SRX MAY 05.4618 <14.0 LMK MAY 05.4300 14.6 SRX MAY 06.4190 14.1 SRX ---------------------------------------------------------------------------- 1621+39 V844 HERCULIS The dwarf nova type cataclysmic variable V844 HER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 04.2618 <15.0 SXN MAY 06.0530 12.5 MGH MAY 05.9690 12.7 PYG MAY 06.2535 12.6 TDB ---------------------------------------------------------------------------- 1730-47 BF ARAE The dwarf nova type (SU UMA 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 APR 29.5870 <15.0 SRX MAY 04.5940 14.4 SRX MAY 02.5930 <14.8 SRX MAY 05.5940 14.4 SRX MAY 04.5390 14.6 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: JM - R. JAMES, USA SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA SXN - M. SIMONSEN, USA MGH - H. MCGEE, ENGLAND TDB - D. TAYLOR, CANADA PYG - G. POYNER, 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! 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! ____________________________________________________________________________