AAVSO NEWS FLASH No. 30
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: CY UMa, Z Cam, EM Cyg, No. 30
V516 Cyg, AY Lyr June 10, 1996
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CY URSAE MAJORIS
The dwarf nova type (SU UMa subclass) cataclysmic variable CY UMa appears
to be in outburst as indicated by the following observations:
AAVSO Observer
UT Mag. Initials
JUN 8.1882 <14.7 HSG
JUN 8.2764 <14.4 BTH
JUN 10.2215 13.6 BTH
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Z CAMELOPARDALIS
The dwarf nova type (Z Cam subclass prototype) cataclysmic variable Z Cam
is in outburst as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUN 7.976 12.0 DPA JUN 9.2111 10.9 BTH
JUN 8.3306 11.7 HSG JUN 9.2444 10.9 SQN
JUN 8.9306 11.0 PYG JUN 9.9563 10.5 BMM
JUN 9.0931 11.2 HAV JUN 10.2063 10.8 BTH
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EM CYGNI
The dwarf nova type (Z Cam subclass) cataclysmic variable EM Cyg is in
outburst as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUN 6.0660 13.9 BMM JUN 8.0813 13.3 BMM
JUN 6.956 13.9 DPA JUN 9.2139 13.1 MKJ
JUN 7.191 13.9 CCDV ZRE JUN 10.0736 12.6 BMM
JUN 7.94 12.9 VET
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V516 CYGNI
The dwarf nova type (SS Cyg subclass) cataclysmic variable V516 Cyg appears
to be in outburst as indicated by the following observation:
AAVSO Observer
UT Mag. Initials
JUN 9.011 14.1 PYG
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AY LYRAE
The dwarf nova type (SU UMa subclass) cataclysmic variable AY Lyr had
a short outburst over the weekend (June 7-9) as indicated by the following
observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUN 6.161 18.68 CCDV ZRE JUN 8.2736 13.3 HSG
JUN 6.949 <13.9 DPA JUN 8.3035 13.1 BTH
JUN 7.2556 <14.2 BTH JUN 8.3389 13.3 HSG
JUN 7.93 13.6 VET JUN 9.1625 13.7 GRI
JUN 7.972 13.2 DPA JUN 9.2028 13.9 MKJ
JUN 7.9979 13.2 BMM JUN 9.9972 14.9 BMM
JUN 8.1986 13.4 HSG JUN 10.2472 <14.2 BTH
JUN 8.2674 13.4 KB JUN 10.3681 <14.2 KB
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We thank the following contributors for the data that they have provided
for this News Flash:
BMM - M. Biesmans, Belgium KB - W. Kaminski, USA
BTH - T. Burrows, USA MKJ - J. McKenna, USA
DPA - A. Diepvens, Belgium PYG - G. Poyner, England
GRI - J. Griese, USA SQN - L. Shaw, USA
HAV - R. Harvan, USA VET - M. Verdenet, France
HSG - G. Hanson, USA ZRE - R. Zissell, USA
Please monitor these stars closely and phone-in, fax, or e-mail your
observations to the AAVSO.
Good observing!
Rebecca Pellock, Technical Assistant
in the absence of
Janet A. Mattei, Director
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Symbols may include: < = fainter than magnitude given (variable not seen)
: = uncertain
CCDV = Charge-coupled device with (V) filter
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We look forward to including your observations in future editions
of AAVSO NEWS FLASH!
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