AAVSO NEWS FLASH No. 34
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: SS Cyg, AB Dra, AH Her No. 34
EM Cyg, FG Sge July 2, 1996
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SS CYGNI
The dwarf nova (SS Cyg subclass prototype) cataclysmic variable SS Cyg is
now fading from its current outburst (see News Flash No. 33) as indicated
by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUN 27.9 8.6 ZAG JUN 30.2667 9.1 DIL
JUN 28.1229 8.8 KMA JUN 30.2715 8.8 BTH
JUN 28.1986 8.4 HSG JUN 30.2826 8.6 SQN
JUN 28.2389 8.8 DIL JUN 30.3056 8.8 HSG
JUN 28.2396 8.7 RR JUN 30.95 8.9 GUN
JUN 28.2833 8.4 COL JUL 1.1035 8.9 SET
JUN 28.8750 9.1 OJR JUL 1.2667 9.5 RR
JUN 29.0 8.4 KIL JUL 1.2750 9.1 BTH
JUN 29.1132 9.1: SHS JUL 1.3146 9.4 KMA
JUN 29.2507 8.7 DIL JUL 1.9674 9.4 BMM
JUN 29.2597 8.6 KSP JUL 2.1028 9.4 RTY
JUN 29.2750 8.5 BTH JUL 2.1521 9.4 RTY
JUN 29.9 8.3 KIL JUL 2.181 9.8 BEB
JUN 29.9 8.4 KIL JUL 2.2167 9.8 RR
JUN 30.1882 8.8 MDP JUL 2.2778 9.5 BTH
JUN 30.2431 8.8 CKB
We thank you for your daily observations which enabled us to confirm our
prediction that this outburst would be narrow.
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AB DRACONIS
The dwarf nova type (Z Cam subclass) cataclysmic variable AB Dra appears to
be in outburst as indicated by the following observations:
AAVSO Observer
UT Mag. Initials
JUL 1.9750 13.5 BMM
JUL 2.2570 12.8 BTH
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AH HERCULIS
The dwarf nova type (Z Cam subclass) cataclysmic variable AH Her is in
outburst as indicated by the following observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUN 27.342 14.47CCDV ZRE JUL 1.1701 11.6 HSG
JUN 30.2306 13.2 BTH JUL 1.2264 11.6 BTH
JUN 30.3000 13.1 DIL JUL 2.124 11.76CCDV ZRE
JUN 30.3118 12.9: HSG JUL 2.2319 11.3 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
UT Mag. Initials
JUN 27.1979 13.8 DIL
JUN 28.2424 13.6: DIL
JUN 30.2736 12.5 DIL
JUL 1.9715 12.6 BMM
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FG SAGITTAE
FG Sge, the central star of a planetary nebula, continues to brighten (see
News Flash No. 33) as indicated by the following observations:
AAVSO Observer
UT Mag. Initials
JUN 27.182 14.46CCDV ZRE
JUL 1.2979 14.3 CCDV RR
JUL 2.151 13.42CCDV ZRE
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We thank the following contributors for the data that they have provided
for this News Flash:
BEB - R. Berg, USA KSP - S. Knight, USA
BMM - M. Biesmans, Belgium MDP - P. McDonald, Canada
BTH - T. Burrows, USA OJR - J. R. Osorio, Spain
CKB - B. Cudnik, USA RR - R. Royer, USA
COL - P. Collins, USA RTY - T. Rogers, USA
DIL - W. Dillon, USA SET - C. Stephan, USA
GUN - J. Gunther, France SHS - S. Sharpe, Canada
HSG - G. Hanson, USA SQN - L. Shaw, USA
KIL - L. Kiss, Hungary ZAG - G. Zajacz, Hungary
KMA - M. A. Komorous, Canada ZRE - R. Zissell, USA
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
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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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of AAVSO NEWS FLASH!
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