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: 0814+73 Z CAM No. 598 1807-27 V1830 SGR March 29, 2000 ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 25.2347 13.3 BTH MAR 27.1153 12.9 CGF MAR 25.901 13.4 PYG MAR 27.1354 12.8 MKJ MAR 26.0674 13.2 BEB MAR 27.1444 13.0 HSG MAR 26.1306 13.2 KMA MAR 28.0896 13.1 KMA MAR 26.865 13.1 MUY MAR 28.2319 11.4 BTH MAR 27.0840 13.1 KMA MAR 28.915 12.3 OJR ---------------------------------------------------------------------------- 1807-27 V1830 SAGITTARII The dwarf nova type cataclysmic variable V1830 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 18.8368 <15.0 PEX MAR 27.8375 12.8 PEX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA MKJ - J. MCKENNA, USA BTH - T. BURROWS, USA MUY - E. MUYLLAERT, BELGIUM CGF - G. CHAPLE JR., USA OJR - J. OSORIO, SPAIN HSG - G. HANSON II, USA PEX - A. PEARCE, AUSTRALIA KMA - M. KOMOROUS, CANADA 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! Gamze Menali, 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! ____________________________________________________________________________