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: 0640-16 HL CMA 1730-47 BF ARA No. 1136 0945-23 AG HYA 1807-27 V1830 SGR April 2, 2003 ---------------------------------------------------------------------------- 0640-16 HL CANIS MAJORIS The dwarf nova type (Z CAM subclass) cataclysmic variable HL CMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 31.4049 14.0 MTH APR 02.4021 11.7 MTH MAR 31.4080 <12.6 SRX APR 02.5350 12.0 SRX APR 01.4674 <13.0 MTH ---------------------------------------------------------------------------- 0945-23 AG HYDRAE The dwarf nova type cataclysmic variable AG HYA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 31.4110 <15.0 SRX APR 02.5370 14.3 SRX ---------------------------------------------------------------------------- 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 MAR 31.6430 <15.0 SRX APR 02.6180 14.4 SRX APR 02.5740 14.4 SRX ---------------------------------------------------------------------------- 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 MAR 31.6570 <14.0 SRX APR 02.6120 12.4 SRX APR 02.6000 12.4 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: MTH - H. MATSUYAMA, JAPAN SRX - R. STUBBINGS, AUSTRALIA 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! ____________________________________________________________________________