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: 0501-04 AQ ERI 0945+34 RZ LMI No. 419 0854-24 VZ PYX 1120-35 V442 CEN April 6, 1999 0939+52 ER UMA ---------------------------------------------------------------------------- 0501-04 AQ ERIDANI The dwarf nova type (SU UMA subclass) cataclysmic variable AQ ERI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 22.1354 <15.3 CCDV COO APR 05.4125 13.4 SRX MAR 23.0917 <13.8 DKS APR 06.0250 13.3 CGF MAR 23.44 <14.0 WPX APR 06.3896 13.6 SRX MAR 29.4083 <13.5 SRX ---------------------------------------------------------------------------- 0854-24 VZ PYXIDIS The dwarf nova type (SU UMA subclass) cataclysmic variable VZ PYX is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 03.717 14.7 MLF APR 06.3931 12.7 SRX APR 05.722 12.4 MLF ---------------------------------------------------------------------------- 0939+52 ER URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable ER UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 05.1118 14.3 CGF APR 06.0576 13.2 CGF APR 05.819 13.1 MUY APR 06.0979 13.3 BRJ ---------------------------------------------------------------------------- 0945+34 RZ LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable RZ LMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 28.014 <14.1 PYG APR 06.0806 13.8 CGF APR 05.0965 13.3 CGF APR 06.0861 14.1 BRJ ---------------------------------------------------------------------------- 1120-35 V442 CENTAURI The dwarf nova type (SS CYG subclass) cataclysmic variable V442 CEN is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials APR 03.73 <14.4 MLF APR 05.776 13.5 PEX APR 04.781 <14.5 PEX APR 05.801 13.2 MLF APR 05.729 13.4 MLF APR 06.4000 12.6 SRX APR 05.766 13.5 OB APR 06.731 12.2 OB ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA OB - M. OVERBEEK, SOUTH AFRICA CGF - G. CHAPLE JR., USA PEX - A. PEARCE, AUSTRALIA COO - L. COOK, USA PYG - G. POYNER, ENGLAND DKS - S. DVORAK, USA 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! ____________________________________________________________________________