THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 INTERNET: aavso@aavso.org * * * AAVSO NEWS FLASH * * * Subject: AR And, SY Cnc, YZ Cnc, X Leo, CZ Ori No. 262 February 19, 1998 ________________________________________________________________________________ AR ANDROMEDAE The dwarf nova type cataclysmic variable AR And is in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 17.1111 <14.9 HSG FEB 17.3 12.8 VET FEB 17.798 13.0 PYG ----------------------------------------------------------------------------- SY CANCRI The dwarf nova type (Z Cam subclass) cataclysmic variable SY Cnc may be brightening, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 16.5035 13.2 SRX FEB 18.4896 12.9 SRX FEB 17.4681 13.3 SRX FEB 19.5438 12.6 SRX ----------------------------------------------------------------------------- YZ CANCRI The dwarf nova type (SU UMa subclass) cataclysmic variable YZ Cnc appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 17.1472 <14.9 HSG FEB 18.4708 <14.2 SRX FEB 17.907 14.0 PYG FEB 19.5215 13.0 SRX ----------------------------------------------------------------------------- X LEONIS The dwarf nova type cataclysmic variable X Leo appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 17.1486 <14.9 HSG FEB 17.4833 <14.6 SRX FEB 18.5174 12.8 SRX ----------------------------------------------------------------------------- CZ ORIONIS The dwarf nova type cataclysmic variable CZ Ori appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 17.838 <15.2 PYG FEB 18.4653 15.0 SRX FEB 19.5097 13.7 SRX ----------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: HSG - G. Hanson, USA PYG - G. Poyner, England SRX - R. Stubbings, Australia 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 ________________________________________________________________________________ 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 sending a message to: observations@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 We look forward to including your observations in future editions of AAVSO NEWS FLASH! ______________________________________________________________________________