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, AT Cnc, AM Cas, EX Dra, No. 254 IR Gem, AG Hya, CT Hya, CI UMa January 30, 1998 ________________________________________________________________________________ AR ANDROMEDAE The dwarf nova type cataclysmic variable AR And is in outburst,as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 24.836 <15.3 PYG JAN 30.0188 13.8 CGF JAN 25.1167 <14.9 HSG JAN 30.0215 13.5 BRJ JAN 26.1319 <14.9 HSG ---------------------------------------------------------------------------- AT CANCRI The dwarf nova type (Z Cam subclass) cataclysmic variable AR And appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 26.045 15.2 PYG JAN 29.5042 12.9 SRX JAN 29.6326 12.9 SRX ---------------------------------------------------------------------------- AM CASSIOPEIAE The dwarf nova type (Z Cam subclass) cataclysmic variable AM Cas is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 25.1229 15.0: HSG JAN 30.0347 13.0 CGF JAN 26.1410 14.9: HSG JAN 30.1868 13.5 BTH JAN 26.9972 14.5 CGF ---------------------------------------------------------------------------- EX DRACONIS The dwarf nova type cataclysmic variable EX Dra is in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 27.4560 15.5 CCDV ZRE JAN 29.9868 14.0 CGF JAN 30.0125 13.6 BRJ ---------------------------------------------------------------------------- IR GEMINORUM The dwarf nova type (SU UMa subclass) cataclysmic variable IR Gem is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 27.1710 16.72 CCDV ZRE JAN 30.0403 14.0 CGF JAN 30.0361 14.5 BRJ JAN 30.1240 13.25 CCDV ZRE ---------------------------------------------------------------------------- AG HYDRAE The dwarf nova type cataclysmic variable AG Hya appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 23.4958 <15.0 SRX JAN 27.4799 14.5 SRX JAN 29.4806 14.5 SRX ---------------------------------------------------------------------------- CT HYDRAE The dwarf nova type (SU UMa subclass) cataclysmic variable CT Hya appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 26.050 <15.5 PYG JAN 29.5000 14.4 SRX JAN 27.4826 <14.6 SRX JAN 29.6319 14.4 SRX ---------------------------------------------------------------------------- CI URSAE MAJORIS The dwarf nova type cataclysmic variable CI UMa appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 26.024 <15.3 PYG JAN 30.0410 14.1 BRJ ----------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. Bortle, USA PYG - G. Poyner, England BTH - T. Burrows, USA SRX - R. Stubbings, Australia CGF - G. Chaple, USA ZRE - R. Zissell, USA HSG - G. Hanson, 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! ______________________________________________________________________________