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: 0501-04 AQ ERI 1051+50 CY UMA No. 879 0547-05 CN ORI 2138+43 SS CYG November 26, 2001 1017-49 V383 VEL ---------------------------------------------------------------------------- 0501-04 AQ ERIDANI The dwarf nova type (SU UMA subclass) cataclysmic variable AQ ERI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 19.0312 <15.1 DPV NOV 22.0507 14.0 SXN NOV 21.0951 <13.8 SXN ---------------------------------------------------------------------------- 0547-05 CN ORIONIS The dwarf nova type (Z CAM subclass) cataclysmic variable CN ORI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 21.3048 15.5 CCDV SFK NOV 23.2200 12.7 MOI NOV 22.0548 <14.0 SXN NOV 24.0007 12.8 SJX NOV 23.0173 <12.6 SJX NOV 24.0007 12.8 SJX NOV 23.0173 <12.6 SJX ---------------------------------------------------------------------------- 1017-49 V383 VELORUM The dwarf nova type cataclysmic variable V383 VEL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 23.0899 <14.4 MLF NOV 22.0269 12.8 MLF OCT 30.0899 <14.1 MLF NOV 23.0129 12.9 MLF ---------------------------------------------------------------------------- 1051+50 CY URSAE MAJORIS The dwarf nova type (SU UMA subclass) cataclysmic variable CY UMA is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 17.1187 <16.2 RMQ NOV 22.1479 12.7 SXN NOV 18.0542 <15.5 DPV NOV 22.2625 12.5 VPJ NOV 21.1409 12.3 SXN ---------------------------------------------------------------------------- 2138+43 SS CYGNI The dwarf nova type (SS CYG subclass prototype) cataclysmic variable SS CYG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials NOV 22.0208 11.6 HP NOV 22.9805 8.9 SET NOV 22.0332 11.5 STI NOV 23.0361 8.8 KMA NOV 22.0534 11.5 TDB NOV 23.1853 9.1 BEB NOV 22.0556 11.3 WSV NOV 23.2146 8.8 BEB NOV 22.0617 11.5 KMA NOV 24.0172 8.5 MHI NOV 22.0630 11.2 CCDV JM NOV 24.0180 8.4 SXN NOV 22.0825 11.1 KB NOV 24.0362 8.9 CCD RGY NOV 22.0879 11.6 CCDV SFK NOV 24.0589 8.5 KB NOV 22.0882 11.0 VPJ NOV 24.0729 8.7 CRR NOV 22.0972 11.2 WSV NOV 24.5063 8.8 DEH NOV 22.1444 10.9 VPJ NOV 24.7653 8.4 FSE NOV 22.7360 8.3 GUN NOV 24.8207 8.5 BSR NOV 22.7881 9.4 WWJ NOV 25.0868 8.3 KB NOV 22.8309 9.0 PYG NOV 25.7812 8.9: WWJ NOV 22.8742 8.7 GMY NOV 25.8659 8.8 GMY NOV 22.9701 8.5 MGQ NOV 25.9361 8.6 FSE NOV 22.9707 8.5 MHI NOV 26.0104 8.6 SET ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BEB - R. BERG, USA MLF - I. MONARD, SOUTH AFRICA BSR - S. BARONI, ITALY MOI - E. MORILLON, FRANCE CRR - R. CRUMRINE, USA PYG - G. POYNER, ENGLAND DEH - E. DONAGHY, USA RGY - G. RUBRIGHT, USA DPV - P. DUBOVSKY, SLOVAKIA RMQ - M. RESZELSKI, POLAND FSE - S. FOGLIA, ITALY SET - C. STEPHAN, USA GMY - M. GLENNON, IRELAND SFK - F. SCHEDER, USA GUN - J. GUNTHER, FRANCE SJX - J. SMIT, SOUTH AFRICA HP - W. HAMPTON, USA STI - P. STEFFEY, USA JM - R. JAMES, USA SXN - M. SIMONSEN, USA KB - W. KAMINSKI, USA TDB - D. TAYLOR, CANADA KMA - M. KOMOROUS, CANADA VPJ - J. VAN POUCKER, USA MGQ - G. MENALI, USA WSV - S. WOLFE, USA MHI - H. MENALI, USA WWJ - W. WILSON, ENGLAND 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! ____________________________________________________________________________