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: 0833-47 BB VEL 1911-00 FO AQL No. 413 0939+52 ER UMA 2021-52 KK TEL March 25, 1999 1317-41 V803 CEN 2244-27 TY PSA ---------------------------------------------------------------------------- 0833-47 BB VELORUM The dwarf nova type cataclysmic variable BB VEL may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 20.4979 <14.5 SRX MAR 23.4493 14.2 WPX MAR 13.46 <14.0 WPX ---------------------------------------------------------------------------- 0939+52 ER URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable ER UMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.863 15.2: PYG MAR 23.826 13.2 MUY MAR 22.1903 <13.4 BEB ---------------------------------------------------------------------------- 1317-41 V803 CENTAURI The cataclysmic variable V803 CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 23.4528 <14.6 SRX MAR 24.7049 13.3 SRX ---------------------------------------------------------------------------- 1911-00 FO AQUILAE The dwarf nova type (SS CYG subclass) cataclysmic variable FO AQL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.7403 <14.0 SRX MAR 24.7583 13.8 SRX MAR 23.4040 13.75 CCDV ZRE According to the AAVSO International Database this star is fainter than visual magnitude 15.0 during quiescence. ---------------------------------------------------------------------------- 2021-52 KK TELESCOPII The dwarf nova type cataclysmic variable KK TEL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.7201 <14.6 SRX MAR 24.7021 13.9 SRX MAR 21.882 13.7 PEX MAR 24.7819 13.9 SRX ---------------------------------------------------------------------------- 2244-27 TY PISCIS AUSTRINI The dwarf nova type (SU UMA subclass) cataclysmic variable TY PSA appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials MAR 24.7896 12.0 SRX According to the AAVSO International Database this star is fainter than visual magnitude 14.5 during quiescence. ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA SRX - R. STUBBINGS, AUSTRALIA MUY - E. MUYLLAERT, BELGIUM WPX - P. WILLIAMS, NEW ZEALAND PEX - A. PEARCE, AUSTRALIA 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! 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! ____________________________________________________________________________