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: 1730-47 BF ARA 1840-33 V4745 SGR No. 1166 1833-33 V4745 SGR 1937+21 FY VUL May 29, 2003 ---------------------------------------------------------------------------- 1730-47 BF ARAE The dwarf nova type (SU UMA subclass) cataclysmic variable BF ARA may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 25.6060 <15.0 SRX MAY 27.5010 <14.8 SRX MAY 26.4170 <14.8 SRX MAY 28.5440 15.0 SRX ---------------------------------------------------------------------------- 1833-33 V4745 Sgr = Nova Sgr 2003 This new nova is re-brightening for the second time, as indicated by the observations below. For information on this nova's discovery please see AAVSO News Flashes 1150-1152. For information on the the nova's first re-brightening please see AAVSO News Flash No. 1158. AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 27.0160 10.6 AAX MAY 28.3641 10.3 AAX MAY 27.3659 10.6 AAX MAY 29.0833 9.1 AAX MAY 27.4271 10.5 LMK MAY 29.3646 9.0 AAX MAY 27.4306 11.15 CCDV WJD MAY 29.4153 8.9 LMK MAY 28.0521 10.3 AAX ---------------------------------------------------------------------------- 1937+21 FY VULPECULAE The dwarf nova type (Z CAM subclass) cataclysmic variable FY VUL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAY 23.2562 14.3 TDB MAY 27.2611 13.9 TDB MAY 24.4271 14.3 LMK MAY 27.6560 14.1 SRX MAY 25.0320 14.5 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAX - A. AMORIM, BRAZIL SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA TDB - D. TAYLOR, CANADA PYG - G. POYNER, ENGLAND WJD - J. WEST, 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! ____________________________________________________________________________