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: 0324+58 AF CAM 0822+25 AT CNC No. 597 0547-05 CN ORI 0855+18 SY CNC March 27, 2000 0609+28 KR AUR 1049+30 SX LMI 0725+06 SV CMI 1730-47 BF ARA ---------------------------------------------------------------------------- 0324+58 AF CAMELOPARDALIS The dwarf nova type cataclysmic variable AF CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 25.863 <15.1 PYG MAR 27.1444 13.4 HSG MAR 25.914 <14.1 MGH MAR 27.2396 13.2 HSG MAR 27.0556 13.5 CGF ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 24.832 14.8 PYG MAR 25.4153 13.9 SRX MAR 25.0396 13.6 BRJ MAR 27.0625 13.2 MKJ MAR 25.0576 13.7 MKJ MAR 27.1167 13.1 HSG MAR 25.0939 <12.6 BEB MAR 27.4076 13.0 SRX MAR 25.274 13.6 LMK ---------------------------------------------------------------------------- 0609+28 KR AURIGAE The dwarf nova type (VY subclass) cataclysmic variable KR AUR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 13.203 15.6 CCDV OCN MAR 24.08 14.5 BRJ MAR 20.819 <13.8 MUY MAR 24.1139 <13.8 SXN MAR 21.82 <14.8 VET MAR 25.919 13.7 MGH MAR 21.8308 14.99 CCD DRG MAR 26.1681 <11.9 MDP MAR 22.082 15.0 CCDV OCN MAR 27.1861 13.8 KB MAR 22.8056 <13.4 DPV ---------------------------------------------------------------------------- 0725+06 SV CANIS MINORIS The dwarf nova type (Z CAM subclass) cataclysmic variable SV CMI may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 24.4181 <14.6 SRX MAR 25.4882 13.7 SRX MAR 25.0 <14.3 CGF MAR 26.403 13.2 LMK MAR 25.0465 14.7 BRJ MAR 27.0646 13.4 CGF MAR 25.306 13.7 LMK MAR 27.0750 13.3 MKJ MAR 25.4229 13.7 SRX MAR 27.4042 13.7 SRX ---------------------------------------------------------------------------- 0822+25 AT CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable AT CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 24.897 15.2 PYG MAR 27.1326 13.2 MKJ MAR 25.1132 <14.0 MKJ MAR 27.4319 13.0: SRX MAR 25.924 15.1 PYG ---------------------------------------------------------------------------- 0855+18 SY CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable SY CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 21.825 13.2 MUY MAR 24.898 12.3 PYG MAR 21.879 13.1 PYG MAR 25.1301 12.3 BEB MAR 22.82 11.9 VET MAR 25.2465 13.4 AAP MAR 23.4160 12.7 SRX MAR 25.4271 12.4 SRX MAR 23.7042 12.3 SHS MAR 25.924 12.0 PYG MAR 23.8299 12.3 DPV MAR 26.1381 12.2 BEB MAR 24.0618 12.8 BRJ MAR 27.1507 11.8 MKJ MAR 24.4243 12.6 SRX MAR 27.2431 11.7 HSG MAR 24.815 12.5 MUY MAR 27.4326 11.8 SRX ---------------------------------------------------------------------------- 1049+30 SX LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable SX LMI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 25.917 <15.5 PYG MAR 27.2486 13.8 HSG MAR 25.946 <13.9 MGH ---------------------------------------------------------------------------- 1730-47 BF ARAE The dwarf nova type (SS CYG subclass) cataclysmic variable BF ARA may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 07.8118 <15.3 PEX MAR 24.7347 <14.1 SRX MAR 12.8264 14.8 PEX MAR 27.5542 14.4 SRX MAR 15.7486 <14.8 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAP - A. ABBOTT, CANADA MGH - H. MCGEE, ENGLAND BEB - R. BERG, USA MKJ - J. MCKENNA, USA BRJ - J. BORTLE, USA MUY - E. MUYLLAERT, BELGIUM CGF - G. CHAPLE JR., USA OCN - S. O'CONNOR, CANADA DPV - P. DUBOVSKY, SLOVAKIA PEX - A. PEARCE, AUSTRALIA DRG - R. DIETHELM, SWITZERLAND PYG - G. POYNER, ENGLAND HSG - G. HANSON II, USA SHS - S. SHARPE, USA KB - W. KAMINSKI, USA SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA SXN - M. SIMONSEN, USA MDP - P. MCDONALD, CANADA VET - M. VERDENET, FRANCE 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 Kerri Malatesta, 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! ____________________________________________________________________________