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: 0124+57 KU CAS 0855+18 SY CNC No. 382 0206+57A TZ PER 1454+41 TT BOO January 11, 1999 0744-23 BV PUP 1848+26 CY LYR 0804+28 YZ CNC 1930+31 V795 CYG 0814+73 Z CAM ---------------------------------------------------------------------------- 0124+57 KU CASSIOPEIAE The dwarf nova type (SS CYG subclass) cataclysmic variable KU CAS is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 07.872 <15.3 PYG JAN 10.71 13.4 KTO JAN 08.1 <13.8 CGF JAN 10.819 13.5 OJR JAN 09.833 13.4 MUY JAN 10.926 13.4 PYG JAN 09.851 13.9 PYG JAN 11.072 13.6 CGF ---------------------------------------------------------------------------- 0206+57A TZ PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable TZ PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 07.78 14.3 KTO JAN 09.840 12.8 MUY JAN 07.954 14.7 PYG JAN 09.859 13.6 PYG JAN 08.0181 14.0 BRJ JAN 10.854 12.3 OJR JAN 08.1 14.5: CGF JAN 10.940 13.0 PYG JAN 09.71 13.0 KTO JAN 11.076 12.5 CGF ---------------------------------------------------------------------------- 0744-23 BV PUPPIS The dwarf nova type (SS CYG subclass) cataclysmic variable BV PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 05.4882 <14.8 SRX JAN 09.4826 13.2 SRX ---------------------------------------------------------------------------- 0804+28 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 JAN 08.2740 15.12 CCDV ZRE JAN 09.894 14.6 PYG JAN 09.878 <13.6 MUY JAN 11.007 13.7 PYG ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM is undergoing an outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 05.858 12.9 MUY JAN 09.880 10.8 MUY JAN 05.872 12.9 DPA JAN 09.883 10.7 PYG JAN 06.762 13.0 MUY JAN 10.2618 10.8 BMM JAN 07.993 12.8 PYG JAN 10.71 10.7 KTO JAN 08.0354 12.5 BRJ JAN 10.875 10.6 OJR JAN 08.1 12.8 CGF JAN 10.956 10.6 PYG JAN 09.77 10.6 KTO JAN 11.084 11.5 CGF JAN 09.82 10.2 GUN ---------------------------------------------------------------------------- 0855+18 SY CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable SY CNC is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 07.89 13.9 KTO JAN 09.936 12.9 MUY JAN 08.024 13.6 PYG JAN 09.947 12.7 PYG JAN 09.89 13.2 KTO JAN 11.011 12.3 PYG ---------------------------------------------------------------------------- 1454+41 TT BOOTIS The dwarf nova type (SU UMA subclass) cataclysmic variable TT BOO is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 30.17 <13.7 KTO JAN 10.247 12.6 MUY JAN 10.18 12.8 KTO ---------------------------------------------------------------------------- 1848+26 CY LYRAE The dwarf nova type cataclysmic variable CY LYR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 18.9610 16.99 CCDV ZRE DEC 30.66 <13.6 KTO DEC 19.63 <14.0 KTO JAN 09.64 12.8 KTO ---------------------------------------------------------------------------- 1930+31 V795 CYGNI The dwarf nova type (SS CYG subclass) cataclysmic variable V795 CYG appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials DEC 23.70 <14.5 KTO JAN 09.64 13.0 KTO JAN 07.64 <14.0 KTO ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BMM - M. BIESMANS, BELGIUM MUY - E. MUYLLAERT, BELGIUM BRJ - J. BORTLE, USA OJR - J. OSORIO, SPAIN CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND DPA - A. DIEPVENS, BELGIUM SRX - R. STUBBINGS, AUSTRALIA GUN - J. GUNTHER, FRANCE ZRE - R. ZISSELL, USA KTO - T. KINNUNEN, FINLAND 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 Rebecca Pellock, 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! ____________________________________________________________________________