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: 0130+50 KT PER 0809-76 Z CHA No. 390 0543+19 SU TAU 0814+73 Z CAM February 1, 1999 0611+15 CZ ORI 1804+67 EX DRA 0741-12 UY PUP 2318+17 IP PEG 0744-23 BV PUP ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 21.852 14.8 PYG JAN 30.766 12.5 MUY JAN 22.73 <13.8 KTO JAN 31.97 12.3 DGP JAN 29.81 <13.2 KTO FEB 01.060 12.0 CGF ---------------------------------------------------------------------------- 0543+19 SU TAURI The R CrB type variable SU TAU appears to be fading, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 21.083 12.7 MRV FEB 01.0639 <13.7 MKJ JAN 21.854 12.9 PYG FEB 01.3472 14.3 RR JAN 30.819 <13.3 MUY ---------------------------------------------------------------------------- 0611+15 CZ ORIONIS The dwarf nova type cataclysmic variable CZ ORI is undergoing an outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 21.857 <14.8 PYG JAN 30.824 13.1 MUY JAN 27.0965 <13.9 DKS FEB 01.0563 13.6 MKJ JAN 29.934 12.2 OJR ---------------------------------------------------------------------------- 0741-12 UY PUPPIS The dwarf nova type (possible Z Cam subclass) cataclysmic variable UY PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 25.6076 15.0 SRX FEB 01.4896 13.8 SRX ---------------------------------------------------------------------------- 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 JAN 25.6049 15.0 SRX FEB 01.5319 13.6 SRX ---------------------------------------------------------------------------- 0809-76 Z CHAMAELONIS The dwarf nova type (SU UMA subclass) cataclysmic variable Z CHA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 23.5667 15.0 SRX JAN 31.4674 12.4 SRX JAN 30.4688 <13.4 SRX FEB 01.5410 11.7 SRX ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 26.115 13.4 MUY JAN 30.77 10.5 GUN JAN 26.4396 12.8 DKS JAN 30.826 10.9 MUY JAN 29.83 11.6 GUN JAN 31.064 11.2 CGF JAN 29.930 11.5 OJR JAN 31.965 10.8 CGF JAN 30.197 10.8 MUY JAN 31.97 11.0 DGP ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The dwarf nova type cataclysmic variable EX DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 21.760 15.0 PYG JAN 30.257 12.8 MUY ---------------------------------------------------------------------------- 2318+17 IP PEGASI The dwarf nova type cataclysmic variable IP PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 27.0208 <13.8 DKS JAN 31.97 12.0 DGP JAN 30.785 13.2 MUY ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA MRV - R. MODIC, USA DGP - G. DYCK, USA MUY - E. MUYLLAERT, BELGIUM DKS - S. DVORAK, USA OJR - J. OSORIO, SPAIN GUN - J. GUNTHER, FRANCE PYG - G. POYNER, ENGLAND KTO - T. KINNUNEN, FINLAND RR - R. ROYER, USA MKJ - J. MCKENNA, USA 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! ____________________________________________________________________________