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: 0735-40 CGCS 1825 0744-23 BV PUP No. 559 0130+50 KT PER 0833-47 BB VEL January 17, 2000 0217+70 AM CAS 0854-24 VZ PYX 0524-03 V1159 ORI 0945+34 RZ LMI ---------------------------------------------------------------------------- 0735-40 CGCS 1825 The reference in AAVSO News Flash No. 558 to CCCS 1825 should instead read CGCS 1825. (CGCS = General Catalog of Cool Galactic Carbon Stars) ---------------------------------------------------------------------------- 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 JAN 09.896 15.0 PYG JAN 15.881 12.1 PYG JAN 12.9236 <13.0 DPV JAN 15.98 12.2 DGP JAN 13.1 <14.1 CGF JAN 16.0250 12.2 CGF JAN 15.749 12.8 MUY JAN 16.0354 12.5 DKS ---------------------------------------------------------------------------- 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 JAN 13.1 <14.5 CGF JAN 16.0132 13.7 CGF JAN 15.753 <13.2 MUY ---------------------------------------------------------------------------- 0524-03 V1159 ORIONIS The dwarf nova type (SU UMA subclass) cataclysmic variable V1159 ORI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 15.896 <14.5 PYG JAN 16.4889 12.6 SRX JAN 16.1056 <13.6 DKS ---------------------------------------------------------------------------- 0744-23 BV PUPPIS The dwarf nova type (SS CYG subclass) cataclysmic variable BV PUP appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 05.6090 15.1 SRX JAN 14.4854 14.7 SRX JAN 12.5007 <15.0 SRX JAN 14.7104 14.4 SRX JAN 13.4896 <14.8 SRX JAN 16.4764 13.4 SRX ---------------------------------------------------------------------------- 0833-47 BB VELORUM The dwarf nova type cataclysmic variable BB VEL appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 11.5674 15.1 SRX JAN 14.4840 14.0 SRX JAN 12.4965 15.0 SRX JAN 16.5340 14.0 SRX JAN 13.5076 14.8 SRX ---------------------------------------------------------------------------- 0854-24 VZ PYXIDIS The dwarf nova type (SU UMA subclass) cataclysmic variable VZ PYX appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 12.4993 <15.0 SRX JAN 14.7069 13.8 SRX JAN 13.4958 <14.7 SRX JAN 14.7333 13.8 SRX JAN 14.4833 <14.4 SRX JAN 16.4757 13.0 SRX ---------------------------------------------------------------------------- 0945+34 RZ LEONIS MINORIS The dwarf nova type (SU UMA subclass) cataclysmic variable RZ LMI appears to be in outburst, as indicated by the following observations: AAVSO Observer AAVSO Observer UT Mag. Initials UT Mag. Initials JAN 09.994 14.5 PYG JAN 16.003 14.0 PYG ---------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: CGF - G. CHAPLE JR., USA MUY - E. MUYLLAERT, BELGIUM DGP - G. DYCK, USA PYG - G. POYNER, ENGLAND DKS - S. DVORAK, USA SRX - R. STUBBINGS, AUSTRALIA DPV - P. DUBOVSKY, SLOVAKIA 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! ____________________________________________________________________________