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 V2573 OPH = N OPH 03 No. 1204 0055+42 IW AND 0243+37 PY PER July 24, 2003 0139+37 AR AND 1556+33 VW CRB ---------------------------------------------------------------------------- 1713-27 V2573 OPH = N OPH 03 We have been informed by the Central Bureau for Astronomical Telegrams (Central Bureau Electronic Telegram 35, preliminary announcement from forthcoming IAU Circular) that N. Samus, Institute of Astronomy, Moscow, reports that 1713-27 Nova Oph 2003 has been given the name V2573 Oph. ---------------------------------------------------------------------------- 0055+42 IW ANDROMEDAE The dwarf nova type cataclysmic variable IW AND appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 14.3444 <15.3 TDB JUL 19.3097 <15.3 TDB JUL 17.3014 <14.4 SXN JUL 24.3097 14.3 SXN ---------------------------------------------------------------------------- 0139+37 AR ANDROMEDAE The dwarf nova type cataclysmic variable AR AND is in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 19.0650 <14.8 PYG JUL 22.0760 <15.3 PYG JUL 19.3271 <14.3 TDB JUL 23.9431 12.3 BXA JUL 19.3389 <14.2 SXN JUL 24.3083 12.9 SXN ---------------------------------------------------------------------------- 0243+37 PY PERSEI The dwarf nova type (Z CAM subclass) cataclysmic variable PY PER appears to be in outburst, as indicated by the following observation: AAVSO Observer UT Mag. Initials JUL 24.3194 14.0 SXN ---------------------------------------------------------------------------- 1556+33 VW CORONAE BOREALIS The dwarf nova type cataclysmic variable VW CRB appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JUL 22.1472 <15.1 SXN JUL 24.1389 14.0 SXN JUL 22.8799 <14.0 OJR ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: BXA - A. BARANSKY, UKRAINE SXN - M. SIMONSEN, USA OJR - J. OSORIO, SPAIN TDB - D. TAYLOR, CANADA PYG - G. POYNER, 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 Gamze Menali, 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! ____________________________________________________________________________