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: 0636-24 PU CMA 1702-25 V2051 OPH No. 1110 1207-43 MU CEN 1953+77 AB DRA February 13, 2003 1612-54 HP NOR 2138+43 SS CYG ---------------------------------------------------------------------------- 0636-24 PU CANIS MAJORIS The dwarf nova type cataclysmic variable PU CMA appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 11.5170 <14.0 SRX FEB 13.4890 11.2 SRX ---------------------------------------------------------------------------- 1207-43 MU CENTAURI The dwarf nova type (SS CYG subclass) cataclysmic variable MU CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 10.5430 14.8 SRX FEB 13.4840 13.8 SRX FEB 11.5780 14.7 SRX ---------------------------------------------------------------------------- 1612-54 HP NORMAE The dwarf nova type (Z CAM subclass) cataclysmic variable HP NOR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 07.6730 <13.6 SRX FEB 11.6310 13.0 SRX FEB 10.5580 13.6 SRX FEB 13.7060 12.9 SRX ---------------------------------------------------------------------------- 1702-25 V2051 OPHIUCHI The dwarf nova type cataclysmic variable V2051 OPH appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 11.6740 <13.0 SRX FEB 13.7200 14.4 SRX ---------------------------------------------------------------------------- 1953+77 AB DRACONIS The dwarf nova type (Z CAM subclass) cataclysmic variable AB DRA appears to be outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 11.4000 <14.4 CGF FEB 12.8847 <12.9 OCR FEB 11.9263 <12.9 OCR FEB 13.0139 13.0 CGF FEB 12.8264 <12.9 VJA FEB 13.4410 12.8 CGF ---------------------------------------------------------------------------- 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 FEB 09.7740 12.3 PYG FEB 12.2465 9.4 SDI FEB 10.0000 12.1: CGF FEB 12.7490 8.8 GRL FEB 10.1667 12.0 NDD FEB 12.7667 8.7 VJA FEB 10.2006 11.9 OCR FEB 12.7715 8.7 CPS FEB 10.7625 12.0 CPS FEB 12.8312 8.8 VJA FEB 11.7611 12.1 CPS FEB 12.9715 9.0 CGF FEB 12.2006 9.7 OCR FEB 13.2090 8.5 OCR ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND CPS - P. CLOESEN, BELGIUM SDI - D. STOREY, ISLE OF MAN GRL - B. GRANSLO, NORWAY SRX - R. STUBBINGS, AUSTRALIA NDD - D. NASH, USA VJA - J. VIRTANEN, FINLAND OCR - C. OTTEN, BELGIUM 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! ____________________________________________________________________________