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: 1713-27 N OPH 03 1903-17 V1089 SGR No. 1201 0130+50 KT PER 1957-70 GS PAV July 21, 2003 1120-35 V442 CEN 2020+15 EZ DEL 1338-07 HS VIR 2306+66 CG CEP 1529-40 BR LUP 2335+12 HX PEG ---------------------------------------------------------------------------- 1713-27 N OPH 03 We have released updated charts for the new nova in Ophiuchus which was reported on Friday in News Flash No. 1200. Many thanks to Mike Simonsen and Mati Morel for creating these 'd' and 'e' scale charts. The charts may be accessed via the N Oph 03 page on the AAVSO website at the following address: http://www.aavso.org/news/noph03.shtml Please print these new charts and use them instead of the provisional charts released with News Flash No. 1200 on Friday. Thank you. ---------------------------------------------------------------------------- 0130+50 KT PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable KT PER appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 15.0670 15.2 PYG JUL 19.9965 14.2 HHU JUL 16.0600 <14.5 PYG JUL 20.0530 13.3 PYG JUL 19.0570 13.0 PYG ---------------------------------------------------------------------------- 1120-35 V442 CENTAURI The dwarf nova type (SS CYG subclass) cataclysmic variable V442 CEN appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 20.3620 <14.4 SRX JUL 21.3770 12.0 SRX ---------------------------------------------------------------------------- 1338-07 HS VIRGINIS The dwarf nova type cataclysmic variable HS VIR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 05.3507 15.8 LMK JUL 20.3780 <14.8 SRX JUL 06.3950 <14.0 SRX JUL 21.3810 14.9 SRX JUL 17.4460 <14.2 SRX ---------------------------------------------------------------------------- 1529-40 BR LUPI The dwarf nova type (SU UMA subclass) cataclysmic variable BR LUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 18.3780 <14.4 SRX JUL 20.4910 14.3 SRX JUL 20.4080 14.3 SRX JUL 21.4080 14.3 SRX ---------------------------------------------------------------------------- 1903-17 V1089 SAGITTARII The dwarf nova type cataclysmic variable V1089 SGR appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 01.5300 <14.6 SRX JUL 21.4320 14.3 SRX JUL 20.4310 14.4 SRX ---------------------------------------------------------------------------- 1957-70 GS PAVONIS The dwarf nova type cataclysmic variable GS PAV may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 20.4250 <15.0 SRX JUL 21.4070 15.0 SRX ---------------------------------------------------------------------------- 2020+15 EZ DELPHINI The dwarf nova type cataclysmic variable EZ DEL may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 03.5980 <14.6 SRX JUL 21.5920 14.8 SRX ---------------------------------------------------------------------------- 2306+66 CG CEPHEI The dwarf nova type (SS CYG subclass) cataclysmic variable CG CEP may be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUN 22.2160 <14.4 SXN JUL 19.1632 14.6 SXN ---------------------------------------------------------------------------- 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 JUL 12.5458 <14.0 LMK JUL 19.3229 12.7 SXN JUL 19.2944 12.6 TDB JUL 20.4583 12.8 LMK ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: HHU - H. HAUTECLER, BELGIUM SRX - R. STUBBINGS, AUSTRALIA LMK - M. LINNOLT, USA SXN - M. SIMONSEN, USA PYG - G. POYNER, ENGLAND TDB - D. TAYLOR, 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! ____________________________________________________________________________