THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25 Birch Street, Cambridge, MA 02138 USA Tel. 617-354-0484 Fax 617-354-0665 INTERNET: aavso@aavso.org * * * AAVSO NEWS FLASH * * * Subject: 0130+50 KT PER 1807-27 V1830 SGR No. 359 0206+57A TZ PER 2026-45 TU IND November 3, 1998 0217+70 AM CAS 2053+25 VW VUL 0945+12 X LEO 2325+43 DX AND 1640+25 AH HER 2335+12 HX PEG 1805-14 UZ SER ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 27.73 15.0 KTO NOV 01.824 13.4 KTO OCT 29.4194 15.0: HSG NOV 02.043 12.9 CGF ---------------------------------------------------------------------------- 0206+57A TZ PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable TZ PER is undergoing an outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 29.3465 14.3 KMA NOV 01.784 13.15 CCD SMI OCT 29.4208 14.4 HSG NOV 01.82 13.0 KTO OCT 29.98 13.2 DGP NOV 02.041 13.3 CGF OCT 30.4146 13.0 DKS NOV 02.1833 13.0 KMA OCT 31.0813 12.6 BRJ NOV 03.3326 13.3 KMA OCT 31.1035 12.8 KMA ---------------------------------------------------------------------------- 0217+70 AM CASSIOPEIAE The dwarf nova type (Z CAM subclass) cataclysmic variable AM CAS appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 29.4188 15.2: HSG NOV 02.013 12.9 CGF ---------------------------------------------------------------------------- 0945+12 X LEONIS The dwarf nova type cataclysmic variable X LEO is undergoing an outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 24.5139 <14.3 HSG OCT 30.4410 12.7 DKS OCT 27.7236 <12.3 SRX OCT 31.448 13.4 MRV OCT 28.7424 12.3 SRX OCT 31.7375 13.4 SRX OCT 29.4424 12.5 HSG ---------------------------------------------------------------------------- 1640+25 AH HERCULIS The dwarf nova type (Z CAM subclass) cataclysmic variable AH HER is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 25.753 14.0 PYG OCT 30.015 12.0 CGF OCT 25.9620 14.00 CCDV ZRE OCT 31.0368 11.0 BRJ OCT 27.70 11.7 KTO OCT 31.988 11.5 MRV OCT 27.964 12.3 CGF NOV 01.758 11.7 PYG OCT 27.964 12.3 CGF NOV 01.965 11.9 CGF OCT 29.98 11.6 DGP NOV 02.9880 12.54 CCDV ZRE ---------------------------------------------------------------------------- 1805-14 UZ SERPENTIS The dwarf nova type (possible Z CAM subclass) cataclysmic variable UZ SER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 24.0056 14.1 BRJ OCT 28.4306 <13.5 SRX OCT 24.4292 13.6 SRX OCT 31.4312 13.0 SRX OCT 27.4618 <13.4 SRX ---------------------------------------------------------------------------- 1807-27 V1830 SAGITTARII The dwarf nova type cataclysmic variable V1830 SGR is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 27.43 <14.0 WPX OCT 30.732 12.2 OB OCT 28.4229 <12.5 SRX OCT 31.4292 12.0 SRX OCT 29.7 <12.2 OB ---------------------------------------------------------------------------- 2026-45 TU INDI The dwarf nova type cataclysmic variable TU IND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 27.4528 <15.0 SRX OCT 28.4500 <14.0 SRX OCT 27.46 <14.0 WPX OCT 31.4465 14.0 SRX ---------------------------------------------------------------------------- 2053+25 VW VULPECULAE The dwarf nova type (SU UMA subclass) cataclysmic variable VW VUL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 25.859 15.3 PYG OCT 27.84 <14.6 KTO OCT 26.88 <14.6 KTO NOV 01.829 13.7 PYG ---------------------------------------------------------------------------- 2325+43 DX ANDROMEDAE The dwarf nova type cataclysmic variable DX AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 25.235 15.2 MRV NOV 01.839 13.7 KTO OCT 25.913 14.7 PYG NOV 01.903 13.6 SPK OCT 26.90 <13.8 KTO NOV 01.960 13.6 PYG OCT 27.73 <13.8 KTO NOV 01.999 13.5: SPK OCT 29.4097 14.6 HSG ---------------------------------------------------------------------------- 2335+12 HX PEGASI The dwarf nova type cataclysmic variable HX PEG is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials OCT 28.0 14.2 CGF NOV 02.031 12.8 CGF OCT 31.0500 13.8 BRJ ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BRJ - J. BORTLE, USA OB - M. OVERBEEK, SOUTH AFRICA CGF - G. CHAPLE JR., USA PYG - G. POYNER, ENGLAND DGP - G. DYCK, USA SMI - A. SMITH, ENGLAND DKS - S. DVORAK, USA SPK - P. SCHMEER, GERMANY HSG - G. HANSON II, USA SRX - R. STUBBINGS, AUSTRALIA KMA - M. KOMOROUS, CANADA WPX - P. WILLIAMS, NEW ZEALAND KTO - T. KINNUNEN, FINLAND ZRE - R. ZISSELL, USA MRV - R. MODIC, 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 sending a message to: observations@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 We look forward to including your observations in future editions of AAVSO NEWS FLASH! ____________________________________________________________________________