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: 0006-12 WW CET 0725-19 CL PUP No. 1098 0217+70 AM CAS 0804+28 YZ CNC January 21, 2003 ---------------------------------------------------------------------------- 0006-12 WW CETI The dwarf nova type (possible Z CAM subclass) cataclysmic variable WW CET appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 12.4920 <12.5 SRX JAN 21.7507 12.4 BVE ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 18.0681 <14.2 SXN JAN 20.9882 12.7 CGF JAN 18.8105 16.18 CCD DRG ---------------------------------------------------------------------------- 0725-19 CL PUPPIS The variable CL PUP appears to be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 19.5580 <14.0 PEX JAN 20.5830 13.8 PEX ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 19.9100 14.2 PYG JAN 21.2979 13.7 LMK JAN 20.8670 14.0 PYG JAN 21.4174 13.4 LMK JAN 21.1570 13.96 CCDV ZRE JAN 21.7506 12.3 OCR ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BVE - E. VAN BALLEGOIJ, NETHERLANDS PEX - A. PEARCE, AUSTRALIA CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND DRG - R. DIETHELM, SWITZERLAND SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA SXN - M. SIMONSEN, USA OCR - C. OTTEN, BELGIUM ZRE - R. ZISSELL, 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! ____________________________________________________________________________