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: SV CMi, X Leo, HP Nor, BX Pup, BB Vel No. 256 February 5, 1998 ________________________________________________________________________________ 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 UT Mag. Initials FEB 03.65760 14.4 SRX FEB 04.49170 13.4 SRX ----------------------------------------------------------------------------- X LEONIS The dwarf nova type cataclysmic variable X Leo appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 03.65900 15.0 SRX FEB 04.49310 12.5 SRX ----------------------------------------------------------------------------- HP NORMAE The dwarf nova type (Z Cam subclass) cataclysmic variable HP Nor appears to be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials JAN 29.6361 <14.0 SRX FEB 03.59930 <13.5 SRX FEB 04.62920 13.0 SRX ----------------------------------------------------------------------------- BX PUPPIS The dwarf nova type (Z Cam subclass) cataclysmic variable BX Pup may be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 01.49720 <14.4 SRX FEB 03.56320 14.3 SRX FEB 04.52640 14.2 SRX According to the AAVSO International Database this star is fainter than visual magnitude 15.0 during quiescence. ----------------------------------------------------------------------------- BB VELORUM The dwarf nova type cataclysmic variable BB Vel may be in outburst, as indicated by the following observations: AAVSO Observer UT Mag. Initials FEB 03.64650 14.6 SRX FEB 04.52360 14.3 SRX FEB 04.64650 14.3 SRX According to the AAVSO International Database this star is approximately visual magnitude 15.5 during quiescence. ----------------------------------------------------------------------------- We thank the following contributors for the data that they have provided for this News Flash: SRX - R. Stubbings, Australia 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 __________________________ ______________________________________________________ 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! ______________________________________________________________________________