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: 0109+37 FO AND 0725+06 SV CMI No. 394 0409-71 VW HYI 0803+62 SU UMA February 10, 1999 0631+00 CW MON ---------------------------------------------------------------------------- 0109+37 FO ANDROMEDAE The dwarf nova type (SU UMA subclass) cataclysmic variable FO AND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 05.9990 17.23 CCDV ZRE FEB 09.822 <15.3 PYG FEB 08.830 <15.3 PYG FEB 10.0604 15.0 BRJ ---------------------------------------------------------------------------- 0409-71 VW HYDRI The dwarf nova type (SU UMA subclass) cataclysmic variable VW HYI is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 08.77 13.8 MLF FEB 09.791 12.0 MLF FEB 09.5125 13.0 SRX FEB 09.816 12.0 SJX FEB 09.5701 12.9 SRX FEB 09.825 12.0 MLF FEB 09.6056 12.8 SRX FEB 10.4806 9.3 SRX FEB 09.746 12.3 MLF ---------------------------------------------------------------------------- 0631+00 CW MONOCEROTIS The dwarf nova type cataclysmic variable CW MON is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 09.5250 15.0 SRX FEB 10.4868 13.6 SRX FEB 10.15 13.9 DGP FEB 10.5201 13.5 SRX ---------------------------------------------------------------------------- 0725+06 SV CANIS MINORIS The dwarf nova type (Z CAM subclass) cataclysmic variable SV CMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials FEB 09.139 16.0 OCN FEB 10.4993 14.2 SRX FEB 09.5229 <14.4 SRX ---------------------------------------------------------------------------- 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 FEB 08.869 14.1 PYG FEB 10.15 12.3 DGP FEB 09.859 13.8 PYG FEB 10.3000 12.4 KMA FEB 10.0910 12.9 BRJ ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA PYG - G. POYNER, ENGLAND DGP - G. DYCK, USA SJX - J. SMIT, SOUTH AFRICA KMA - M. KOMOROUS, CANADA SRX - R. STUBBINGS, AUSTRALIA MLF - L. MONARD, SOUTH AFRICA ZRE - R. ZISSELL, USA OCN - S. O'CONNOR, CANADA 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! ____________________________________________________________________________