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: SS Cyg, KT Per, Correction No. 273 March 17, 1998 ________________________________________________________________________________ SS CYGNI The dwarf nova type (SS Cyg subclass prototype) cataclysmic variable SS Cyg is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 12.194 12.3 PYG MAR 17.030 11.2 GRL MAR 14.02 12.0 GRL MAR 17.160 11.0 GRL MAR 16.3979 11.7 KMA MAR 17.4257 10.7 KMA ----------------------------------------------------------------------------- KT PERSEI The dwarf nova type (Z Cam subclass) cataclysmic variable KT Per is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials MAR 16.03 <14.5 BRJ MAR 17.0160 12.8 SWT MAR 17.01 12.9 DGP MAR 17.0375 13.2 BRJ ----------------------------------------------------------------------------- CORRECTION TO NEWS FLASH NO. 272 The dates of the following observations by BRJ were reported incorrectly (as March 15) in News Flash No. 272. We regret the error. They should read as follows: Star Corrected Date Mag. Observer (UT) YZ Cnc MAR 16.0486 13.0 BRJ U Gem MAR 16.0472 9.4 BRJ IR Gem MAR 16.0458 13.6 BRJ CN Ori MAR 16.0389 12.7 BRJ CZ Ori MAR 16.0417 12.7 BRJ V1159 Ori MAR 16.0382 13.8 BRJ SU UMa MAR 16.0549 12.1 BRJ ----------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. Bortle, USA KMA - M. A. Komorous, Canada DGP - G. Dyck, USA PYG - G. Poyner, England GRL - B. Granslo, Norway SWT - R. Stewart, USA 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! ________________________________________________________________________________