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(1992 Sep. 5)
Norwegian Astronomical Society - Variable Star Section
VARIABLE STARS - REPORT OF 1992 SEPTEMBER 4
Recent observations by B. H. Granslo, Fjellhamar, Norway. Time system is UT.
NOVAE AND RECURRENT NOVAE
T CrB (Nr): Aug 24.98, 10.3; Aug 31.92, 10.3. At minimum.
N1992 Cyg (Na): Aug 29.093, 8.9; Aug 31.928, 8.9; Sep 1.876, 9.0.
RS Oph (Nr): Aug 8.05, 11.5; Aug 31.92, 11.0:. Brightening.
GK Per (Na): Aug 24.87, 11.4; Aug 29.09, 12.2; Aug 31.95, 12.3. Fading.
Observations of RS Ophiuchi by P. Schmeer and T. Kato indicate a
brightening to mag. 10 on Sep. 1, 1 1/2 magnitudes brighter than
usual.
DWARF NOVAE
SS Aur (UGSS): Aug 21.07, <13.2; Aug 29.09, 11.5; Aug 31.95, 11.9.
Z Cam (UGZ): Aug 21.07, 13.3; Aug 24.87, 10.9; Aug 31.95, 11.0.
SS Cyg (UGSS): Aug 24.90, 11.9; Aug 29.08, 12.0; Aug 31.94, 11.9.
EM Cyg (UGZ): Aug 21.04, 14.0:; Aug 31.94, 12.5.
U Gem (UGSS): Aug 21.07, <10.2; Aug 29.09, <11.4.
AH Her (UGZ): Aug 31.92, 12.0.
RU Peg (UGSS): Aug 21.05, 12.7; Aug 29.08, 12.6; Aug 31.94, 12.6.
Stars in outburst: SS Aur, Z Cam, EM Cyg and AH Her. According to an
observation by N. Makiguchi (communicated by T. Kato) U Geminorum
was at maximum on Sep 1.80 UT (mag. 9.0).
OTHER VARIABLES
Z And (ZAND): Aug 19.01, 11.0; Aug 24.93, 10.9; Aug 31.97, 10.9.
AE Aqr (XP): Aug 18.99, 11.2; Aug 24.93, 11.3; Aug 31.95, 11.3.
TT Ari (UGZ): Aug 19.01, 10.6; Aug 21.05, 10.5; Aug 31.99, 10.6.
Omicr Cet (M): Aug 5.06, 2.4; Aug 21.04, 2.9; Aug 29.08, 3.2. Fading.
BF Cyg (ZAND): Aug 19.00, 11.1; Aug 24.91, 10.8; Aug 31.96, 10.8.
CH Cyg (ZAND+SR): Aug 18.99, 8.7; Aug 24.91, 8.6; Aug 31.97, 8.5.
CI Cyg (EA/G+ZAND): Aug 24.91, 10.9; Aug 31.96, 11.0.
V482 Cyg (RCB): Aug 19.00, 11.1; Aug 24.91, 11.0; Aug 31.96, 11.0.
V1016 Cyg (NC+M): Aug 19.00, 10.5; Aug 24.91, 10.4; Aug 31.97, 10.5.
V1057 Cyg (INT): Aug 18.99, 12.2; Aug 24.91, 12.2; Aug 31.97, 12.2.
AG Peg (NC): Aug 18.99, 8.8; Aug 24.92, 8.8; Aug 31.97, 8.9.
AX Per (ZAND): Aug 8.00, 11.4; Aug 24.87, 11.7.
R Sge (RVB): Aug14.90,10.0; Aug18.99,10.1; Aug24.91,9.3; Aug31.96,9.0.
V Sge (E+NL): Aug 19.00, 11.2; Aug 24.91, 11.0; Aug 31.95, 11.1.
FG Sge (*): Aug 19.00, 9.3; Aug 24.91, 9.4; Aug 31.95, 9.6.
HM Sge (NC+M): Aug 18.99, 11.2; Aug 24.90, 11.2; Aug 31.95, 11.2.
RY Tau (INT): Aug 21.09, 10.8; Sep 1.01, 11.0. Faint.
WW Vul (ISA): Aug 18.99, 10.8; Aug 24.90, 10.7; Aug 31.95, 10.8.
PU Vul (NC): Aug 19.00, 11.1; Aug 24.91, 11.1; Aug 31.95, 11.1.
The fades of AX Persei and FG Sagittae should be noted and these
observations confirm reports from observers in England, Germany and
Japan.
Bjorn H. Granslo
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