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 No. 577 0640-16 HL CMA February 16, 2000 0854-24 VZ PYX ---------------------------------------------------------------------------- 0501-04 AQ ERIDANI The dwarf nova type (SU UMA subclass) cataclysmic variable AQ ERI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 11.1125 <15.1 HSG FEB 16.4542 14.0 SRX FEB 15.4625 <14.0 SRX FEB 16.4882 14.0 SRX FEB 15.4736 <14.5 NLX ---------------------------------------------------------------------------- 0640-16 HL CANIS MAJORIS The dwarf nova type cataclysmic variable HL CMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 15.936 <13.5 OJR FEB 16.0938 12.8 TSC FEB 16.0021 12.7 DPL FEB 16.4688 11.8 SRX FEB 16.0306 13.2 BRJ FEB 16.4764 11.7 SRX ---------------------------------------------------------------------------- 0854-24 VZ PYXIDIS The dwarf nova type (SU UMA subclass) cataclysmic variable VZ PYX appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 12.4951 <14.7 SRX FEB 16.4729 13.0 SRX FEB 15.4667 <14.4 NLX FEB 16.4854 13.0 SRX FEB 15.4736 <14.4 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA OJR - J. OSORIO, SPAIN DPL - P. DOMBROWSKI, USA SRX - R. STUBBINGS, AUSTRALIA HSG - G. HANSON II, USA TSC - S. TRACY, USA NLX - P. NELSON, AUSTRALIA 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! ____________________________________________________________________________