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: 0139+37 AR AND 0749+22 U GEM No. 867 0206+57A TZ PER 0804+28 YZ CNC October 29, 2001 0243+37 PY PER 0822+25 AT CNC 0518+00 BI ORI 1804+67 EX DRA 0640-16 HL CMA 1951-09 UU AQL ---------------------------------------------------------------------------- 0139+37 AR ANDROMEDAE The dwarf nova type cataclysmic variable AR AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 23.1400 15.81 CCDV RSE OCT 28.9986 12.3 CGF OCT 25.0 <13.6 CGF OCT 29.0400 11.8 *** OCT 26.2370 15.63 CCDV ZRE OCT 29.1069 12.3 TDB OCT 27.0507 12.6 CGF OCT 29.1291 12.3 SXN OCT 28.8319 12.4 MGH OCT 29.1919 13.31 CCDV ZRE ---------------------------------------------------------------------------- 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 23.0 <14.1 CGF OCT 28.3881 13.0 SXN OCT 24.4512 <13.6 LMK OCT 29.0055 12.1 CGF OCT 25.0 <13.3 CGF OCT 29.0400 13.2 *** OCT 25.4048 <13.0 DLA OCT 29.1568 12.8 SXN OCT 27.0562 13.9 CGF ---------------------------------------------------------------------------- 0243+37 PY PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable PY PER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 17.9024 18.1 CCD DRG OCT 20.9117 <14.8 DPV OCT 18.2313 <15.1 SXN OCT 28.3846 <15.1 SXN OCT 20.0520 <14.8 SXN OCT 29.1521 14.1: SXN ---------------------------------------------------------------------------- 0518+00 BI ORIONIS The dwarf nova type cataclysmic variable BI ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 11.0282 16.6 CCD DRG OCT 17.3785 <14.2 SXN OCT 12.9917 <14.6 RMQ OCT 18.3069 <14.5 SXN OCT 14.0468 15.18 CCD DRG OCT 28.3993 14.6 SXN ---------------------------------------------------------------------------- 0640-16 HL CANIS MAJORIS The dwarf nova type (Z CAM subclass) cataclysmic variable HL CMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 25.4125 <11.8 DLA OCT 28.4270 12.5 SXN ---------------------------------------------------------------------------- 0749+22 U GEMINORUM The dwarf nova type (SS CYG subclass) cataclysmic variable U GEM is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 23.4237 14.8 CCDV WJD OCT 28.4597 12.6 SXN OCT 25.4117 14.2 CCDV WJD OCT 29.1666 9.7 WWJ OCT 28.1839 13.5: WWJ OCT 29.4435 10.1 CCDV WJD OCT 28.4443 12.9 SXN ---------------------------------------------------------------------------- 0804+28 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 OCT 26.3240 14.20 CCDV ZRE OCT 29.2669 12.38 CCDV ZRE OCT 28.4583 11.7 SXN ---------------------------------------------------------------------------- 0822+25 AT CANCRI The dwarf nova type (Z CAM subclass) cataclysmic variable AT CNC appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 14.0832 14.81 CCD DRG OCT 28.4575 12.5 SXN ---------------------------------------------------------------------------- 1804+67 EX DRACONIS The ecli[sing dwarf nova type cataclysmic variable EX DRA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 26.9347 <14.5 RMQ OCT 28.9693 14.0 CGF OCT 27.0 <14.6 CGF ---------------------------------------------------------------------------- 1951-09 UU AQUILAE The dwarf nova type cataclysmic variable UU AQL is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 20.7486 <14.7 DPV OCT 28.8009 12.3 MGH OCT 26.3229 <13.0 LMK OCT 29.0326 11.4 SXN OCT 28.0764 14.5 CCDV GKA ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA RMQ - M. RESZELSKI, POLAND DLA - A. DILL, USA RSE - S. ROBINSON, USA DPV - P. DUBOVSKY, SLOVAKIA SXN - M. SIMONSEN, USA DRG - R. DIETHELM, SWITZERLAND TDB - D. TAYLOR, CANADA GKA - K. GRAHAM, USA WJD - J. WEST, USA LMK - M. LINNOLT, USA WWJ - W. WILSON, ENGLAND MGH - H. MCGEE, ENGLAND 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 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! ____________________________________________________________________________