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: 2138+43 SS CYG 1640+25 AH HER No. 692 0109+37 FO AND 1907-62 V344 PAV November 3, 2000 0418-13 AH ERI ---------------------------------------------------------------------------- 2138+43 SS CYGNI The dwarf nova type (SS CYG subclass prototype) cataclysmic variable SS CYG continues its outburst (see also News Flash Nos. 690 and 691), as indicated by the observations included below: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 02.1688 8.5 AAP NOV 02.786 8.5 RMQ NOV 02.1847 8.7 MDW NOV 02.7870 8.71 CCDV SLQ NOV 02.2048 9.1 FSV NOV 02.7880 8.68 CCDV SLQ NOV 02.2493 9.06 CCDV OCN NOV 02.798 8.1 TUB NOV 02.2993 9.0 PTQ NOV 02.8194 8.4 DPV NOV 02.7680 8.69 CCDV SLQ NOV 02.8250 8.65 CCDV SLQ NOV 02.7700 8.64 CCDV SLQ NOV 02.8270 8.62 CCDV SLQ NOV 02.7710 8.65 CCDV SLQ NOV 02.8280 8.65 CCDV SLQ NOV 02.7720 8.66 CCDV SLQ NOV 02.8618 8.7 CMG NOV 02.7740 8.66 CCDV SLQ NOV 02.901 8.4 BMU NOV 02.7750 8.67 CCDV SLQ NOV 02.903 8.4 MUY NOV 02.7770 8.66 CCDV SLQ NOV 02.9583 8.5 DPL NOV 02.7780 8.68 CCDV SLQ NOV 02.9583 8.5 DPL NOV 02.7790 8.67 CCDV SLQ NOV 03.0035 8.4 HAB NOV 02.7810 8.66 CCDV SLQ NOV 03.0208 8.6 HP NOV 02.7820 8.66 CCDV SLQ NOV 03.2160 8.5 BTH NOV 02.7840 8.64 CCDV SLQ NOV 03.2347 8.80 CCDV OCN NOV 02.7850 8.67 CCDV SLQ NOV 03.2347 8.80 CCDV OCN ---------------------------------------------------------------------------- 0109+37 FO ANDROMEDAE The dwarf nova type (SU UMA subclass) cataclysmic variable FO AND may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 01.1681 17.09 SFK NOV 02.1632 <14.0 SXN NOV 01.1722 16.42 SFK NOV 02.2140 16.86 CCDV ZRE NOV 01.1753 16.39 SFK NOV 02.8799 <14.7 DPV NOV 01.2007 <14.0 SXN NOV 02.925 15.4: RMQ NOV 01.8243 <14.7 POX ---------------------------------------------------------------------------- 0418-13 AH ERIDANI The dwarf nova type cataclysmic variable AH ERI may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 01.2521 <14.0 SXN NOV 02.476 13.9 SRX NOV 01.793 <14.0 PEX NOV 03.460 13.9 SRX NOV 02.470 13.9 SRX ---------------------------------------------------------------------------- 1640+25 AH HERCULIS The dwarf nova type (Z CAM subclass) cataclysmic variable AH HER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 31.766 13.1 OJR NOV 02.721 12.2 RMQ NOV 01.9924 12.1 BRJ NOV 02.7326 12.4 DPV NOV 02.0000 12.2 DPL ---------------------------------------------------------------------------- 1907-62 V344 PAVONIS The dwarf nova type cataclysmic variable V344 PAV may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 27.486 <15.0 SRX NOV 03.471 14.4 SRX OCT 30.459 <14.0 SRX NOV 03.475 14.4 SRX NOV 02.464 <14.0 SRX ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: AAP - A. ABBOTT, CANADA OCN - S. O'CONNOR, CANADA BMU - R. BOUMA, NETHERLANDS OJR - J. OSORIO, SPAIN BRJ - J. BORTLE, USA PEX - A. PEARCE, AUSTRALIA BTH - T. BURROWS, USA POX - M. POXON, ENGLAND CMG - G. COMELLO, NETHERLANDS PTQ - T. PARSON, USA DPL - P. DOMBROWSKI, USA RMQ - M. RESZELSKI, POLAND DPV - P. DUBOVSKY, SLOVAKIA SFK - F. SCHEDER, USA FSV - S. FALVO, USA SLQ - L. SMELCER, CZECH REPUBLIC HAB - R. HAYS JR., USA SRX - R. STUBBINGS, AUSTRALIA HP - W. HAMPTON, USA SXN - M. SIMONSEN, USA MDW - W. MACDONALD II, CANADA TUB - V. TUBOLY, HUNGARY MUY - E. MUYLLAERT, BELGIUM 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 Kerri Malatesta, 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! ____________________________________________________________________________