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: 0207-63 WX HYI 0854-24 VZ PYX No. 587 0814+73 Z CAM 0939+52 ER UMA March 6, 2000 ---------------------------------------------------------------------------- 0207-63 WX HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable WX HYI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 03.4284 14.6 WPX MAR 06.4236 12.8 SRX ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 01.885 13.1 MUY MAR 04.0830 11.7 BEB MAR 02.022 13.1 PYG MAR 04.1125 12.0 HSG MAR 02.1153 13.2 HSG MAR 04.2847 11.1 MKE MAR 02.7850 13.3 SJZ MAR 04.2965 11.4 SXN MAR 02.81 12.7 VET MAR 04.83 10.8 VET MAR 02.843 13.1 OJR MAR 04.89 10.9 PUJ MAR 03.1194 12.9 HSG MAR 04.948 10.8 MUY MAR 03.3694 13.1 SXN MAR 05.122 10.9 PYG MAR 03.850 12.3 OJR MAR 05.3208 10.3 SXN MAR 03.913 12.8 PYG MAR 05.81 10.6 VET MAR 03.921 12.2 MUY MAR 06.0599 10.8 BEB MAR 04.0354 11.8 BRJ MAR 06.1313 10.3 MKJ ---------------------------------------------------------------------------- 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 MAR 02.7556 14.7 PEX MAR 04.6722 12.4 SRX MAR 03.4472 12.3 WPX MAR 04.7556 12.6 PEX MAR 03.7479 12.2 PEX MAR 05.7590 12.1 PEX MAR 03.752 12.4 MLF MAR 06.4278 12.1 SRX MAR 03.772 12.5 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 MAR 01.807 15.0 PYG MAR 04.0347 12.7 BRJ MAR 02.1368 <14.7 HSG MAR 04.1257 13.3 HSG MAR 03.1896 14.6 HSG MAR 04.127 12.9 PYG MAR 03.3868 <14.2 SXN MAR 04.3153 13.2 SXN MAR 03.822 13.3 PYG MAR 04.838 13.7 PYG MAR 03.922 13.6 MUY MAR 04.951 13.6 MUY MAR 04.033 13.0 PYG MAR 05.3299 14.2 SXN ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA PEX - A. PEARCE, AUSTRALIA BRJ - J. BORTLE, USA PUJ - F. PUJOL, SPAIN HSG - G. HANSON II, USA PYG - G. POYNER, ENGLAND MKE - R. MANSKE, USA SJZ - J. SPEIL, POLAND MKJ - J. MCKENNA, USA SRX - R. STUBBINGS, AUSTRALIA MLF - L. MONARD, SOUTH AFRICA SXN - M. SIMONSEN, USA MUY - E. MUYLLAERT, BELGIUM VET - M. VERDENET, FRANCE OJR - J. OSORIO, SPAIN WPX - P. WILLIAMS, NEW ZEALAND 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! ____________________________________________________________________________