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: 0605+47 SS AUR 1612-54 HP NOR No. 454 0741-12 UY PUP 1805-14 UZ SER June 16, 1999 0744-23 BV PUP 1937+21 FY VUL 0945+12 X LEO 2026-45 TU IND ---------------------------------------------------------------------------- 0605+47 SS AURIGAE The dwarf nova type cataclysmic variable SS AUR may be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials JUN 16.122 10.6 MRV ---------------------------------------------------------------------------- 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 JUN 04.3618 <14.2 SRX JUN 16.3521 14.0 SRX JUN 12.4007 14.3 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 JUN 12.4056 <14.4 SRX JUN 16.3451 13.6 SRX ---------------------------------------------------------------------------- 0945+12 X LEONIS The dwarf nova type cataclysmic variable X LEO is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 09.2611 <14.9 SQN JUN 15.2167 12.8: ABB JUN 12.4014 <14.1 SRX JUN 16.3576 12.6 SRX JUN 15.2167 12.8: ABB ---------------------------------------------------------------------------- 1612-54 HP NORMAE The dwarf nova type (Z CAM subclass) cataclysmic variable HP NOR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 13.44 <14.5 WPX JUN 16.3681 13.2 SRX ---------------------------------------------------------------------------- 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 JUN 12.3229 16.3 CCDV COO JUN 15.5007 13.2 SRX JUN 13.2220 15.84 CCDV ZRE JUN 16.5201 13.2 SRX ---------------------------------------------------------------------------- 1937+21 FY VULPECULAE The dwarf nova type (Z CAM subclass) cataclysmic variable FY VUL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 05.044 14.4 PYG JUN 12.2290 13.9 CCDV ZRE JUN 06.2100 14.3 CCDV ZRE JUN 13.063 13.8 PYG JUN 08.056 14.5 PYG JUN 14.996 13.7 MUY JUN 11.2890 13.8 CCDV ZRE JUN 15.034 13.6 PYG ---------------------------------------------------------------------------- 2026-45 TU INDI The dwarf nova type cataclysmic variable TU IND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 11.52 <14.5 WPX JUN 15.4986 14.0 SRX JUN 12.4597 <14.4 SRX JUN 16.5035 14.2 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: ABB - B. ADAMS, USA SQN - L. SHAW, USA COO - L. COOK, USA SRX - R. STUBBINGS, AUSTRALIA MRV - R. MODIC, USA WPX - P. WILLIAMS, NEW ZEALAND MUY - E. MUYLLAERT, BELGIUM ZRE - R. ZISSELL, USA PYG - G. POYNER, ENGLAND Please monitor these and other variable stars closely and phone-in, fax, or e-mail your observations to the AAVSO. Good observing! Rebecca Pellock, Technical Assistant on behalf of Janet A. Mattei, Director ____________________________________________________________________________ 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! ____________________________________________________________________________