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: 0006-12 WW CET 1841+37 AY LYR No. 686 0058+40 RX AND 1911-00 FO AQL October 23, 2000 0206+57A TZ PER 1953+77 AB DRA 0207-63 WX HYI 2053+25 VW VUL 0741-12 UY PUP 2101+00 EV AQR 0803+62 SU UMA 2125-03 VZ AQR 0814+73 Z CAM 2318+17 IP PEG 1805-14 UZ SER ---------------------------------------------------------------------------- 0006-12 WW CETI The dwarf nova type (possible Z CAM subclass) cataclysmic variable WW CET is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 16.441 14.3 SRX OCT 22.2188 11.3 SXN OCT 20.0354 13.9 BRJ OCT 22.83 11.8 VET OCT 20.1771 <13.6 SXN OCT 22.865 11.7 RMQ OCT 20.444 13.8 SRX OCT 22.89 12.2 GGX OCT 21.03 11.6 DGP OCT 22.8924 11.9 DPV OCT 21.436 11.6 SRX OCT 23.0285 12.4 BRJ OCT 21.480 11.6 SRX OCT 23.0944 12.0 SXN OCT 21.823 11.5 RMQ OCT 23.1000 11.9 BVE OCT 21.8264 11.1 DPV OCT 23.4041 12.3 LMK ---------------------------------------------------------------------------- 0058+40 RX ANDROMEDAE The dwarf nova type (Z CAM subclass) cataclysmic variable RX AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 19.805 14.2 MUY OCT 21.8750 11.1 DPV OCT 19.905 14.3 RMQ OCT 21.93 10.8 VET OCT 19.918 14.2 MGH OCT 22.1430 10.6 BVE OCT 19.997 14.3 PYG OCT 22.2319 10.8 SXN OCT 20.0583 14.2 DPL OCT 22.2590 11.0 VPJ OCT 20.1153 13.5 AWI OCT 22.2819 11.6 MDW OCT 20.1937 13.5 SXN OCT 22.77 11.0 MOI OCT 20.2270 13.0 PTQ OCT 22.7882 11.1 MED OCT 20.8014 11.8 BXA OCT 22.7914 10.9 BXA OCT 20.8310 12.0 SJZ OCT 22.82 10.8 VET OCT 20.947 11.9 RMQ OCT 22.848 10.9 RMQ OCT 21.0034 11.5 DPL OCT 22.9063 10.8 DPV OCT 21.03 11.4 DGP OCT 22.93 10.8 GGX OCT 21.1194 11.8 TSC OCT 22.9909 10.4 DPL OCT 21.1417 11.6 MDP OCT 23.0292 10.6 BRJ OCT 21.1965 11.5 MKJ OCT 23.0910 11.5 MDP OCT 21.76 11.1 GUN OCT 23.1041 11.0 BVE OCT 21.812 11.2 RMQ OCT 23.1097 10.6 SXN OCT 21.8250 11.2 BXA OCT 23.1256 10.8 MKJ ---------------------------------------------------------------------------- 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 OCT 18.1431 14.6 HSG OCT 21.9097 12.9 DPV OCT 19.819 13.7 MUY OCT 21.94 13.1 VET OCT 19.9167 14.3 JCN OCT 22.2847 13.5 SXN OCT 20.016 13.7 PYG OCT 22.834 13.5 RMQ OCT 20.0444 13.4 BRJ OCT 22.9292 12.9 DPV OCT 20.935 13.5 RMQ OCT 23.0361 13.3 BRJ OCT 21.03 13.3 DGP OCT 23.0451 13.4 DKS OCT 21.806 13.0 RMQ OCT 23.1354 13.2 SXN ---------------------------------------------------------------------------- 0207-63 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 OCT 16.406 14.4 SRX OCT 19.775 12.4 PEX OCT 16.451 13.7: NLX OCT 20.420 12.4 SRX OCT 16.74 <13.7 MLF OCT 20.476 12.4 SRX OCT 16.764 <13.2 PEX OCT 21.417 13.6 SRX OCT 17.788 <13.2 PEX OCT 21.4930 <12.8: LMK OCT 18.773 <13.5 PEX OCT 21.761 13.2 PEX ---------------------------------------------------------------------------- 0741-12 UY PUPPIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UY PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 07.4882 14.7 HSG OCT 08.746 14.5 SRX OCT 08.724 14.5 SRX OCT 21.801 12.8 PEX ---------------------------------------------------------------------------- 0803+62 SU URSAE MAJORIS The dwarf nova type (SU UMA subclass prototype) cataclysmic variable SU UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 17.053 14.2 PYG OCT 21.9375 11.7 DPV OCT 17.194 <13.9 MUY OCT 21.965 11.6 RMQ OCT 20.04 11.8 KTO OCT 22.860 11.6 RMQ OCT 20.0451 12.0 BRJ OCT 22.9396 11.2 DPV OCT 20.926 11.7 RMQ OCT 23.0375 11.5 BRJ ---------------------------------------------------------------------------- 0814+73 Z CAMELOPARDALIS The dwarf nova type (Z CAM subclass prototype) cataclysmic variable Z CAM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 17.049 13.5 PYG OCT 20.00 10.7 DGP OCT 17.0868 13.8 HSG OCT 20.0063 10.2 CGF OCT 17.197 13.3 MUY OCT 20.8540 10.9 SJZ OCT 18.0833 13.9 HSG OCT 20.927 10.8 RMQ OCT 18.8 10.8 GUN OCT 21.8299 11.2 DPV OCT 18.8 10.8 GUN OCT 21.969 10.8 RMQ OCT 19.7882 10.4 MED OCT 22.2472 11.2 VPJ OCT 19.8 10.3 GUN OCT 22.8201 11.3 DPV OCT 19.8639 10.7 CMG OCT 22.825 10.8 RMQ OCT 19.8958 10.8 VFK OCT 22.9896 11.3 BRJ OCT 19.9896 11.0 BRJ OCT 23.16 11.3 VET ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UZ SER is undergoing an outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 14.0023 14.81 SFK OCT 20.454 13.0 SRX OCT 16.419 <14.0 SRX OCT 21.449 13.1 SRX OCT 17.0903 14.6: HSG OCT 22.7500 13.3 DPV OCT 18.0875 <14.8 HSG OCT 22.9958 14.3 BRJ OCT 19.9931 12.9 BRJ ---------------------------------------------------------------------------- 1841+37 AY LYRAE The dwarf nova type (SU UMA subclass) cataclysmic variable AY LYR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 21.91 <15.0 VET OCT 22.80 13.7 VET OCT 21.9798 <13.6 DPL OCT 22.8146 13.5 DPV OCT 22.1111 <14.2 SXN OCT 22.9701 13.7 CGF OCT 22.76 13.8 GUN OCT 22.9847 13.3 DPL OCT 22.767 13.7 RMQ OCT 23.0000 13.0 BRJ OCT 22.788 13.5 PYG OCT 23.0361 13.4 SXN OCT 22.788 13.5 PYG OCT 23.0652 13.0 MKJ OCT 22.788 13.5 PYG OCT 23.1097 13.4 AAP ---------------------------------------------------------------------------- 1911-00 FO AQUILAE The dwarf nova type (SS CYG subclass) cataclysmic variable FO AQL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 19.1250 16.43 CCDV GKA OCT 21.751 <14.5 RMQ OCT 19.769 <15.2 PYG OCT 22.0882 <13.8 SXN OCT 19.773 <13.9 MUY OCT 22.767 <14.9 PYG OCT 20.1076 <13.8 SXN OCT 22.771 <13.9 RMQ OCT 20.434 <14.4 SRX OCT 22.78 14.8 VET OCT 20.7813 <13.8 DPV OCT 22.7826 14.1 DPV OCT 21.421 <13.7 SRX OCT 22.9750 14.4 CGF OCT 21.7500 <13.9 DPV OCT 23.0014 14.1 BRJ ---------------------------------------------------------------------------- 1953+77 AB DRACONIS The dwarf nova type (Z CAM subclass) cataclysmic variable AB DRA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 19.7569 14.2 JCN OCT 21.4166 12.6 LMK OCT 19.906 13.7 RMQ OCT 21.794 12.6 RMQ OCT 19.938 13.8 PYG OCT 21.8285 12.7 DPV OCT 20.00 13.2 DGP OCT 22.0799 12.8 SXN OCT 20.0069 14.0 CGF OCT 22.785 13.0 PYG OCT 20.0160 13.0 BRJ OCT 22.8007 12.7 DPV OCT 20.1930 12.9 CCDV ZRE OCT 22.820 12.9 RMQ OCT 20.923 12.7 RMQ OCT 23.0125 12.8 BRJ OCT 21.1500 12.9 CCDV ZRE ---------------------------------------------------------------------------- 2053+25 VW VULPECULAE The dwarf nova type cataclysmic variable VW VUL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 19.940 15.2 PYG OCT 22.780 13.6 RMQ OCT 20.1396 <14.2 SXN OCT 22.799 13.4 PYG OCT 20.784 <14.3 RMQ OCT 22.799 13.4 PYG OCT 20.7986 <14.2 DPV OCT 22.799 13.4 PYG OCT 21.760 15.0 RMQ OCT 22.8125 13.4 DPV OCT 21.7708 14.0 DPV OCT 23.0431 13.6 SXN OCT 22.1493 13.5 SXN ---------------------------------------------------------------------------- 2101+00 EV AQUARII The dwarf nova type (possible Z CAM subclass) cataclysmic variable EV AQR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 01.8535 <14.3 POX OCT 20.1500 12.8 SXN OCT 05.969 13.5 PYG OCT 22.851 12.7 PYG OCT 16.863 12.5 PYG OCT 23.0729 12.8 SXN ---------------------------------------------------------------------------- 2125-03 VZ AQUARII The dwarf nova type cataclysmic variable VZ AQR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 18.0646 <14.7 DKS OCT 21.7569 12.7 DPV OCT 19.797 12.9 MUY OCT 21.90 12.8 GGX OCT 20.00 13.1 DGP OCT 22.78 12.8 VET OCT 20.0076 12.5 BRJ OCT 22.7882 12.8 DPV OCT 20.0493 12.9 CGF OCT 22.88 12.9 GGX OCT 20.1549 13.3 SXN OCT 23.0069 13.0 BRJ OCT 20.437 13.0 SRX OCT 23.0292 13.2 DKS OCT 20.7764 12.7 DPV OCT 23.0771 13.1 SXN OCT 21.431 13.0 SRX ---------------------------------------------------------------------------- 2318+17 IP PEGASI The dwarf nova type cataclysmic variable IP PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 21.91 15.5 VET OCT 22.9881 12.6 DPL OCT 21.9812 <13.8 DPL OCT 23.0083 14.3 BRJ OCT 22.0729 <13.8 AWI OCT 23.0208 12.6 DKS OCT 22.2146 <13.8 SXN OCT 23.0361 12.5 CGF OCT 22.781 13.0 RMQ OCT 23.0458 12.5 TSC OCT 22.81 12.4 VET OCT 23.0500 12.4 BRJ OCT 22.813 13.1 PYG OCT 23.0549 13.4 AWI OCT 22.813 13.3 PYG OCT 23.0875 12.7 SXN OCT 22.813 13.1 PYG OCT 23.0951 12.7 SXN OCT 22.8146 13.1 VFK OCT 23.1035 12.7 SXN OCT 22.82 12.6 VET OCT 23.1111 12.7 SXN OCT 22.8875 12.7 DPV ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: *** MED - K. MEDWAY, ENGLAND AAP - A. ABBOTT, CANADA MGH - H. MCGEE, ENGLAND AWI - W. ANTHONY, USA MKJ - J. MCKENNA, USA BRJ - J. BORTLE, USA MLF - L. MONARD, SOUTH AFRICA BVE - E. VAN BALLEGOIJ, NETHERLANDS MOI - E. MORILLON, FRANCE BXA - A. BARANSKY, UKRAINE MUY - E. MUYLLAERT, BELGIUM CGF - G. CHAPLE JR., USA NLX - P. NELSON, AUSTRALIA CMG - G. COMELLO, NETHERLANDS PEX - A. PEARCE, AUSTRALIA DGP - G. DYCK, USA POX - M. POXON, ENGLAND DKS - S. DVORAK, USA PTQ - T. PARSON, USA DPL - P. DOMBROWSKI, USA PYG - G. POYNER, ENGLAND DPV - P. DUBOVSKY, SLOVAKIA RMQ - M. RESZELSKI, POLAND GGX - G. GUZMAN, FRANCE SFK - F. SCHEDER, USA GKA - K. GRAHAM, USA SJZ - J. SPEIL, POLAND GUN - J. GUNTHER, FRANCE SRX - R. STUBBINGS, AUSTRALIA HSG - G. HANSON II, USA SXN - M. SIMONSEN, USA JCN - C. JONES, ENGLAND TSC - S. TRACY, USA KTO - T. KINNUNEN, FINLAND VET - M. VERDENET, FRANCE LMK - M. LINNOLT, USA VFK - F. VOHLA, GERMANY MDP - P. MCDONALD, CANADA VPJ - J. VAN POUCKER, USA MDW - W. MACDONALD II, CANADA ZRE - R. ZISSELL, 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, Director Kerriann Malatesta, Technical Assistant Gamze Menali, 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! ____________________________________________________________________________