BELGIAN ASTRONOMICAL SOCIETY V.V.S. - Working Group Variable Stars Cataclysmic Variables Circular No.9 1994, July 12 Ed.: P. Van Cauteren, de Borrekenslaan 54, 2630 Aartselaar, BELGIUM 73064.1123@compuserve.COM TEL. 32-3-8774098 T. Vanmunster, Walhostraat 1A, 3401 Landen, BELGIUM Internet: tvm@lms.be TEL. 32-11-831504 =================================================================== FN And [UG, 13.5p - 17.5p] ========================== Tonny Vanmunster, Landen, Belgium has detected an outburst of this cataclysmic variable, which is on the Recurrent Objects Programme (The Astronomer Group). Confirmation has been obtained from Gary Poyner, Birmingham, UK. 1994 Jul 10.028 UT, [15.5 (G. Poyner, 0.40-m refl, seq TA); Jul 11.007 UT, [14.7 (T. Vanmunster, 0.35-m refl, seq TA); Jul 11.033 UT, [14.7 (G. Poyner); Jul 12.003 UT, 13.5 (T. Vanmunster); Jul 12.021 UT, 13.4 (G. Poyner, 0.22-m refl, seq TA); The last confirmed outburst of this variable was detected on January 15, 1993 by G. Poyner (mag 13.3). DM Lyr [UG, 13.6p - 18p] ======================== Referring to the outburst announcement in CVC No.8, please note that the observation by Bill Worraker, Didcot, UK constitutes an independent detection of the outburst. V344 Lyr [UG, 14.5p - <20p] =========================== The outburst of V344 Lyr, announced in CVC No.8, is still ungoing, which might be an indication that this is a (long awaited) super- outburst. Please keep on monitoring and reporting this dwarf nova during its present outburst activity. The table below lists our photometric observations. ------------------------------------------------------------------------ DATE (UT) MAGN MS SEQ OBSERVER REMARKS SOURCE ------------------------------------------------------------------------ 1994 07 01.932 [14.8 mv TA Vanmunster, T. 35-cm refl. VVS 1994 07 05.006 14.5 mv TA Worraker, B. 26-cm refl. Mail(wor) 1994 07 05.012 14.6 mv TA Vanmunster, T. 35-cm refl. VVS 1994 07 07.908 14.5 mv TA Vanmunster, T. 35-cm refl. VVS 1994 07 07.960 14.6 mv TA Poyner, G. 40-cm refl. Mail(poy) 1994 07 08.993 14.1 mv TA Vanmunster, T. 35-cm refl. VVS 1994 07 10.010 14.4 mv TA Poyner, G. 40-cm refl. Mail(poy) 1994 07 10.931 14.4 mv TA Vanmunster, T. 35-cm refl. VVS 1994 07 10.979 14.7 mv TA Poyner, G. 40-cm refl. Mail(poy) 1994 07 11.931 14.6 mv TA Vanmunster, T. 35-cm refl. VVS V542 Cyg [UGSS:, 13.0p - 18.3:p] ================================ The photometric summary below contains observations of the present outburst of V542 Cyg. New observations since CVC No.8 are labeled with an '*'. ------------------------------------------------------------------------ DATE (UT) MAGN MS SEQ OBSERVER REMARKS SOURCE ------------------------------------------------------------------------ 1994 06 22.933 [13.5 mv AA Vanmunster, T. 35-cm refl. VVS 1994 06 24.913 13.6 mv AA Vanmunster, T. 35-cm refl. VVS 1994 06 24.942 [13.5 mv ?? *Pietz, J. 20-cm SCT Mail(pie) 1994 06 27.944 12.8 mv AA Vanmunster, T. 35-cm refl. VVS 1994 06 27.953 13.2 mv TA Poyner, G. 40-cm refl. Mail(poy) 1994 06 27.978 13.0 mv TA Worraker, B. 26-cm refl. Mail(wor) 1994 06 29.922 13.7 mv ?? *Pietz, J. 20-cm SCT Mail(pie) 1994 06 29.940 13.2 mv AA Vanmunster, T. 35-cm refl. VVS 1994 06 30.907 13.4 mv AA Vanmunster, T. 35-cm refl. VVS 1994 06 30.932 13.8 mv ?? *Pietz, J. 20-cm SCT Mail(pie) 1994 07 01.925 13.4 mv AA Vanmunster, T. 35-cm refl. VVS 1994 07 05.052 13.7 mv AA Vanmunster, T. 35-cm refl. VVS 1994 07 07.918 [13.9 mv AA *Vanmunster, T. 35-cm refl. VVS 1994 07 08.033 [13.9 mv TA *Poyner, G. 40-cm refl. Mail(poy) 1994 07 08.967 [13.9 mv AA *Vanmunster, T. 35-cm refl. VVS 1994 07 10.050 [13.9 mv TA *Poyner, G. 40-cm refl. Mail(poy) 1994 07 10.914 [13.9 mv AA *Vanmunster, T. 35-cm refl. VVS Tonny Vanmunster