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: 0641+28 IR GEM 1805-14 UZ SER No. 415 0744-23 BV PUP 1848+26 CY LYR March 29, 1999 0804+28 YZ CNC 1953+77 AB DRA ---------------------------------------------------------------------------- 0641+28 IR GEMINORUM The dwarf nova type (SU UMA subclass) cataclysmic variable IR GEM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 27.0660 16.55 CCDV ZRE MAR 28.840 12.5 MUY MAR 27.892 <13.6 MGH MAR 28.88 12.0 KTO MAR 28.0618 <13.2 KMA MAR 29.4118 12.5 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 MAR 16.4653 <15.0 SRX MAR 26.4361 13.1 SRX MAR 22.4576 14.1 SRX MAR 29.4285 13.1 SRX MAR 23.4312 13.8 SRX ---------------------------------------------------------------------------- 0804+28 YZ CANCRI The dwarf nova type (SU UMA subclass) cataclysmic variable YZ CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 24.3028 14.5 RR MAR 29.4132 12.3 SRX MAR 28.847 12.5 MUY ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UZ SER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.7222 <14.4 SRX MAR 26.6812 13.3 SRX MAR 24.7118 <13.6 SRX MAR 27.850 13.6 PEX MAR 26.1 <13.5 OB MAR 28.088 13.2 OB ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR appears to be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials MAR 28.165 14.0 MUY According to the AAVSO International Database this star is fainter than visual magnitude 15.0 during quiescence. ---------------------------------------------------------------------------- 1953+77 AB DRACONIS The dwarf nova type (Z CAM subclass) cataclysmic variable AB DRA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 26.3460 14.7 CCDV ZRE MAR 28.177 12.8 MUY MAR 28.065 13.0 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: KMA - M. KOMOROUS, CANADA PEX - A. PEARCE, AUSTRALIA KTO - T. KINNUNEN, FINLAND PYG - G. POYNER, ENGLAND MGH - H. MCGEE, ENGLAND RR - R. ROYER, USA MUY - E. MUYLLAERT, BELGIUM SRX - R. STUBBINGS, AUSTRALIA OB - M. OVERBEEK, SOUTH AFRICA 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! ____________________________________________________________________________