AAVSO NEWS FLASH No. 22
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: WX CrA, X Leo, BZ UMa No. 22
May 16, 1996
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WX CORONAE AUSTRINAE
The R CrB type variable WX CrA is fading as indicated by the following
observations:
AAVSO Observer
UT Mag. Initials
MAY 11.1 11.6 OB
MAY 12.0 12.0 OB
MAY 16.0 12.4 OB
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X LEONIS
The dwarf nova type (U Gem subclass) cataclysmic variable X Leo is in
outburst as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
MAY 5.1958 <14.3 BTH MAY 14.903 12.6 PYG
MAY 6.1597 <14.3 HSG MAY 15.1049 12.9 MKJ
MAY 9.2014 <14.3 HSG MAY 16.2222 12.2 HSG
MAY 10.2007 <13.5 HSG
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BZ URSAE MAJORIS
The present outburst of BZ UMa (see News Flash No. 21) may be a superoutburst.
Visual and particularly CCD observers are strongly recommended to observe
BZ UMa every 3 to 5 minutes in search of
superhumps.
Below are the recent observations that we have received:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
MAY 14.914 10.7 PYG MAY 15.06 10.8 DGP
MAY 14.951 10.7 PYG MAY 15.0799 11.2 MKJ
MAY 14.976 10.6 PYG MAY 16.028 11.9 PYG
MAY 14.999 10.6 PYG MAY 16.1681 11.9 YRK
MAY 15.024 10.7 PYG MAY 16.2292 11.8 HSG
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We thank the following contributors for the data that they have provided
for this News Flash:
BTH - T. Burrows, USA
DGP - G. Dyck, USA
HSG - G. Hanson, USA
MKJ - J. McKenna, USA
PYG - G. Poyner, England
YRK - D. York, USA
Please monitor these stars closely and phone-in, fax, or e-mail your
observations to the AAVSO.
Good observing!
Janet A. Mattei
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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:
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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!
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