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: FO And, YZ Cnc, WX Hyi, V1159 Ori, No. 255 TZ Per, KT Per, PY Per, VZ Pyx February 3, 1998 ________________________________________________________________________________ FO ANDROMEDAE The dwarf nova type (SU UMa subclass) cataclysmic variable FO And appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 30.0150 17.68 CCDV ZRE FEB 01.0370 17.01 CCDV ZRE FEB 02.0630 14.86 CCDV ZRE ---------------------------------------------------------------------------- YZ CANCRI The dwarf nova type (SU UMa subclass) cataclysmic variable YZ Cnc is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 31.9958 13.9 DPL FEB 01.50210 12.3 SRX FEB 01.048 13.1 CGF FEB 02.0347 12.8 DPL FEB 01.1350 13.0 MKJ FEB 02.047 12.3 CGF FEB 01.1389 13.4 SWT FEB 02.1333 13.1 SWT FEB 01.1455 13.4 BEB FEB 02.1710 12.82 CCDV ZRE FEB 01.1670 13.17 CCDV ZRE ---------------------------------------------------------------------------- WX HYDRI The dwarf nova type (SU UMa subclass) cataclysmic variable WX Hyi is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 30.4632 13.9 SRX JAN 31.4722 12.5 SRX JAN 30.4979 13.7 SRX JAN 31.823 12.6 MLF JAN 30.5104 13.8 SRX FEB 01.47850 12.8 SRX JAN 30.5840 13.8 SRX ---------------------------------------------------------------------------- V1159 ORIONIS The dwarf nova type (SU UMa subclass) cataclysmic variable V1159 Ori is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 31.4861 14.8 SRX FEB 02.0278 13.2 SWT FEB 01.0 <14.0 CGF FEB 02.0444 13.3 TSC FEB 01.0830 14.81 CCDV ZRE FEB 02.0785 <13.6 DLA FEB 01.48750 13.7 SRX FEB 02.1170 13.63 CCDV ZRE FEB 01.990 13.4 CGF ---------------------------------------------------------------------------- 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 25.982 14.6 PYG FEB 01.0970 13.4 MKJ JAN 26.1431 14.4 HSG FEB 01.1139 13.3 SWT JAN 31.866 13.5 DPA FEB 02.0597 12.9 DLA FEB 01.002 13.3 CGF FEB 02.1146 13.4 SWT ---------------------------------------------------------------------------- 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 FEB 01.0 <14.1 CGF FEB 02.0229 12.7 DPL FEB 02.008 12.6 CGF FEB 02.0569 12.5 DLA ---------------------------------------------------------------------------- PY PERSEI The dwarf nova type (Z Cam subclass) cataclysmic variable PY Per may be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 01.008 14.5 CGF According to the AAVSO International Database this star is fainter than visual magnitude 15.5 during quiescence. ---------------------------------------------------------------------------- VZ PYXIDIS The dwarf nova type (SU UMa subclass) cataclysmic variable VZ Pyx appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 31.84 <13.8 MLF FEB 02.020 12.7 MLF ----------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. Berg, USA MLF - B. Monard, South Africa CGF - G. Chaple, USA PYG - G. Poyner, England DLA - A. Dill, USA SRX - R. Stubbings, Australia DPA - A. Diepvens, Belgium SWT - R. Stewart, USA DPL - P. Dombrowski, USA TSC - S. Tracy, USA HSG - G. Hanson, USA ZRE - R. Zissell, USA MKJ - J. McKenna, 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! ________________________________________________________________________________