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: 0139+37 AR AND 1317-41 V803 CEN No. 1015 0401+50 FO PER 1841+37 AY LYR August 21, 2002 ---------------------------------------------------------------------------- 0139+37 AR ANDROMEDAE The dwarf nova type cataclysmic variable AR AND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 16.1220 16.9 CCD DRG AUG 19.2368 <13.9 SXN AUG 17.0070 <13.9 MGH AUG 21.0750 12.8 PYG AUG 18.0843 17.1 CCD DRG AUG 21.3083 12.2 SXN ---------------------------------------------------------------------------- 0401+50 FO PERSEI The dwarf nova type cataclysmic variable FO PER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 03.3111 <14.2 SXN AUG 16.1027 13.93 CCD DRG AUG 10.2764 14.5 TDB AUG 18.1010 13.76 CCD DRG AUG 10.3715 <15.0 SXN AUG 21.3285 13.2 SXN AUG 11.3160 <13.7 SXN ---------------------------------------------------------------------------- 1317-41 V803 CENTAURI The cataclysmic variable V803 CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 11.2674 <14.6 LMK AUG 16.4440 <13.9 SRX AUG 11.4060 <14.2 SRX AUG 18.4180 <13.9 SRX AUG 13.4870 <14.2 SRX AUG 21.5030 12.5 SRX AUG 14.3720 <14.2 SRX ---------------------------------------------------------------------------- 1841+37 AY LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials AUG 17.0701 <14.8 BMM AUG 20.3333 14.4 LMK AUG 17.9620 <15.0 PYG AUG 20.8681 13.4 GUN AUG 18.0174 <15.4 BMM AUG 21.0010 13.1 PYG AUG 18.1000 <13.9 CGF AUG 21.0458 13.1 DPL AUG 19.0979 <14.5 SXN AUG 21.1993 13.0 LAI AUG 20.0917 <14.2 TDB AUG 21.2597 <13.3 AAP AUG 20.1000 <13.9 CGF AUG 21.2875 13.2 SXN AUG 20.2542 <14.5 SXN ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAP - A. ABBOTT, CANADA LMK - M. LINNOLT, USA BMM - M. BIESMANS, BELGIUM MGH - H. MCGEE, ENGLAND CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND DPL - P. DOMBROWSKI, USA SRX - R. STUBBINGS, AUSTRALIA DRG - R. DIETHELM, SWITZERLAND SXN - M. SIMONSEN, USA GUN - J. GUNTHER, FRANCE TDB - D. TAYLOR, CANADA LAI - A. LING, CANADA 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 Gamze Menali, 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! ____________________________________________________________________________