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 0814+73 Z CAM No. 416 0409-71 VW HYI 1325-54 BV CEN April 1, 1999 ---------------------------------------------------------------------------- 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 MAR 29.833 14.3 PYG MAR 31.032 12.6 CGF MAR 30.0 <13.3 CGF MAR 31.823 12.8 MUY ---------------------------------------------------------------------------- 0409-71 VW HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable VW HYI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 23.4416 13.8 WPX APR 01.717 10.0 OB MAR 25.7 <12.4 OB ---------------------------------------------------------------------------- 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 MAR 28.0 12.8 CGF MAR 30.1847 11.8 BEB MAR 28.016 13.1 PYG MAR 30.8080 11.2 SJZ MAR 28.0868 12.9 KMA MAR 31.0792 11.0 CGF MAR 28.851 13.0 MUY MAR 31.1597 10.9 BEB MAR 29.867 13.1 PYG MAR 31.835 10.8 MUY MAR 30.0375 12.2 CGF MAR 31.8597 10.9 CMG MAR 30.0864 12.1 BEB ---------------------------------------------------------------------------- 1325-54 BV CENTAURI The dwarf nova type cataclysmic variable BV CEN may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 23.4673 13.1 WPX MAR 29.4563 12.7 SRX MAR 28.78 13.0 MLF MAR 31.4104 12.4 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA OB - M. OVERBEEK, SOUTH AFRICA CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND CMG - G. COMELLO, NETHERLANDS SJZ - J. SPEIL, POLAND KMA - M. KOMOROUS, CANADA SRX - R. STUBBINGS, AUSTRALIA MLF - L. MONARD, SOUTH AFRICA WPX - P. WILLIAMS, NEW ZEALAND MUY - E. MUYLLAERT, BELGIUM 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! ____________________________________________________________________________