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: 0206+57A TZ PER 1841+37 AY LYR No. 674 0814+73 Z CAM September 19, 2000 ---------------------------------------------------------------------------- 0206+57A TZ PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable TZ PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 14.901 13.8 RMQ SEP 18.017 13.5 RMQ SEP 16.88 13.8 VET SEP 18.839 13.4 PYG SEP 17.0319 13.6 BRJ SEP 18.87 13.0 VET SEP 17.85 13.6 VET ---------------------------------------------------------------------------- 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 SEP 17.0 13.6 CGF SEP 18.86 10.5 GUN SEP 18.0 13.3 CGF SEP 18.8610 10.7 SJZ SEP 18.001 12.9 RMQ SEP 18.9993 10.8 CGF SEP 18.8424 11.0 CMG ---------------------------------------------------------------------------- 1841+37 AY LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials SEP 18.2083 <14.2 BTH SEP 19.1118 12.8 SXN SEP 18.84 13.9 VET SEP 19.1625 13.2 KB SEP 18.86 13.8 GUN SEP 19.2167 13.1 BTH SEP 18.939 13.5 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA PYG - G. POYNER, ENGLAND BTH - T. BURROWS, USA RMQ - M. RESZELSKI, POLAND CGF - G. CHAPLE JR., USA SJZ - J. SPEIL, POLAND CMG - G. COMELLO, NETHERLANDS SXN - M. SIMONSEN, USA GUN - J. GUNTHER, FRANCE VET - M. VERDENET, FRANCE KB - W. KAMINSKI, 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! ____________________________________________________________________________