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Date: Tue, 19 Jan 1993 19:07:16 +0100
From: granslo@argo.uio.no
Subject: VS Observations (Report of 1993 Jan 19)
Norwegian Astronomical Society - Variable Star Section
VARIABLE STARS - REPORT OF 1993 JANUARY 19
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This report contains visual observations by members of NAS.VSS. Time
system is U.T. Observer: B. H. Granslo, Fjellhamar, Norway (20.3-cm SCT,
Binoculars 7x35).
1. CATACLYSMIC VARIABLES - NOVAE AND DWARF NOVAE
Observations from last night:
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Variable 1993 UT Magn Obs Variable 1993 UT Magn Obs
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RX And Jan 19.01 11.4 GRL SS Aur Jan 19.00 10.8 GRL
Z Cam Jan 19.01 11.6 GRL SY Cnc Jan 19.00 11.6 GRL
YZ Cnc Jan 19.000 11.3 GRL YZ Cnc Jan 19.011 11.3 GRL
YZ Cnc Jan 19.022 11.4 GRL YZ Cnc Jan 19.033 11.3 GRL
YZ Cnc Jan 19.042 11.2 GRL YZ Cnc Jan 19.051 11.2 GRL
YZ Cnc Jan 19.061 11.2 GRL YZ Cnc Jan 19.069 11.2 GRL
YZ Cnc Jan 19.079 11.2 GRL YZ Cnc Jan 19.089 11.2 GRL
YZ Cnc Jan 19.103 11.3 GRL YZ Cnc Jan 19.115 11.3 GRL
T CrB Jan 19.06 10.6 GRL SS Cyg Jan 19.01 11.9 GRL
N1992 Cyg Jan 19.008 10.4 GRL AB Dra Jan 19.01 12.5 GRL
U Gem Jan 19.00 <13.3 GRL IR Gem Jan 19.00 <13.4 GRL
AH Her Jan 19.12 12.0 GRL X Leo Jan 19.03 <13.0: GRL
CZ Ori Jan 19.00 11.8 GRL KT Per Jan 19.01 12.4 GRL
CH UMa Jan 19.01 <13.2 GRL
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Dwarf novae in outburst were RX And, SS Aur, SY Cnc, YZ Cnc, AB Dra,
AH Her, CZ Ori and KT Per. A series of estimates were made of the
SU UMa-type dwarf nova YZ Cnc in an attempt to detect short-periodic
variations (superhumps) during its current supermaximum.
2. OTHER ERUPTIVE VARIABLES
Observations since 1993 January 14/15:
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Variable 1993 UT Magn Obs Variable 1993 UT Magn Obs
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Z And Jan 15.09 10.7 GRL Z And Jan 17.98 10.7 GRL
EG And Jan 17.93 7.6 GRL TT Ari Jan 17.95 10.7 GRL
RW Aur Jan 15.11 10.7 GRL RW Aur Jan 17.92 10.7 GRL
RW Aur Jan 19.03 10.6 GRL TX CVn Jan 15.13 9.8 GRL
TX CVn Jan 17.98 9.9 GRL UV Cas Jan 15.09 10.7 GRL
UV Cas Jan 17.98 10.8 GRL R CrB Jan 18.07 5.3 GRL
CH Cyg Jan 18.02 8.6 GRL AG Dra Jan 15.13 9.9 GRL
AG Dra Jan 17.98 9.9 GRL X Per Jan 18.07 6.5 GRL
AX Per Jan 17.94 11.8 GRL T Tau Jan 17.92 9.8 GRL
RR Tau Jan 15.11 11.4 GRL RR Tau Jan 17.92 11.8 GRL
RR Tau Jan 19.03 11.8 GRL RY Tau Jan 17.92 10.7 GRL
RY Tau Jan 19.03 10.7 GRL SU Tau Jan 15.12 9.6 GRL
SU Tau Jan 17.92 9.7 GRL BP Tau Jan 17.95 12.3 GRL
BP Tau Jan 19.03 12.3 GRL BU Tau Jan 18.07 5.3 GRL
CQ Tau Jan 15.11 11.2 GRL CQ Tau Jan 17.92 11.0 GRL
CQ Tau Jan 19.03 11.0 GRL TAV 0033+59 Jan 15.09 10.7 GRL
TAV 0033+59 Jan 17.98 10.7 GRL
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3. PULSATING VARIABLES - MIRA STARS
Observations since 1993 January 14/15:
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Variable 1993 UT Magn Obs Variable 1993 UT Magn Obs
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X Aur Jan 19.11 11.0 GRL R Boo Jan 18.01 7.5 GRL
R Cam Jan 18.09 11.2 GRL X Cam Jan 17.98 9.7 GRL
R Cnc Jan 19.07 8.4 GRL R CVn Jan 18.01 11.6 GRL
T CVn Jan 18.01 11.1 GRL T Cas Jan 19.03 8.3 GRL
V Cas Jan 17.98 11.7 GRL W Cas Jan 19.04 10.1 GRL
S Cep Jan 18.02 9.2 GRL T Cep Jan 18.02 7.2 GRL
Y Cep Jan 19.06 <13.2: GRL RY Cep Jan 17.98 9.9 GRL
V362 Cep Jan 15.13 12.0 GRL V362 Cep Jan 19.03 12.0 GRL
S CrB Jan 18.05 9.4 GRL R Cyg Jan 18.02 11.1 GRL
Chi Cyg Jan 19.13 8.6 GRL CN Cyg Jan 18.02 11.9 GRL
R Dra Jan 17.98 8.5 GRL Y Dra Jan 19.07 12.6 GRL
R LMi Jan 17.97 12.7 GRL S LMi Jan 19.08 9.1 GRL
W Lyr Jan 18.05 9.2 GRL U Ori Jan 17.92 8.4 GRL
Y Per Jan 19.11 9.7 GRL R Tri Jan 17.95 7.3 GRL
R UMa Jan 18.01 11.0 GRL S UMa Jan 17.99 10.5 GRL
T UMa Jan 17.99 9.2 GRL S UMi Jan 18.01 11.7 GRL
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4. PULSATING VARIABLES - SEMIREGULARS AND IRREGULARS
Observations since 1992 Dec 30/31:
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Variable Date UT Magn Obs Date UT Magn Obs Date UT Magn Obs
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RV And Jan 3.75 9.5 GRL Jan 11.81 9.6 GRL Jan 17.95 9.5 GRL
Z Aur Jan 3.76 10.1 GRL Jan 11.84 10.5 GRL Jan 18.00 10.0 GRL
UU Aur Jan 13.02 5.8 GRL Jan 18.07 5.8 GRL
AG Aur Jan 3.76 9.7 GRL Jan 11.84 9.6 GRL Jan 19.11 9.6 GRL
V Boo Jan 12.11 9.2 GRL Jan 18.00 9.2 GRL
U Boo Jan 15.14 12.4: GRL Jan 19.08 12.6 GRL
S Cam Jan 3.77 9.8 GRL Jan 18.09 10.1 GRL
U Cam Jan 3.77 8.2 GRL Jan 11.85 8.4 GRL
V CVn Dec 31.08 7.4 GRL Jan 12.12 7.5 GRL Jan 19.12 7.7 GRL
Y CVn Dec 31.08 6.0 GRL Jan 12.12 6.0 GRL Jan 18.07 6.0 GRL
TU CVn Dec 31.08 6.2 GRL Jan 12.12 6.2 GRL Jan 18.07 6.1 GRL
AA Cas Jan 3.74 8.7 GRL Jan 11.80 8.8 GRL Jan 19.04 8.6 GRL
RU Cep Jan 3.77 9.0 GRL Jan 12.13 8.8 GRL
RR CrB Jan 12.11 7.9 GRL Jan 18.05 8.0 GRL
SW CrB Jan 12.11 7.8 GRL Jan 18.05 7.9 GRL
W Cyg Dec 31.09 6.4 GRL Jan 12.13 6.5 GRL Jan 18.07 6.6 GRL
RS Cyg Jan 3.72 7.8 GRL Jan 12.14 7.8 GRL
RU Cyg Jan 3.72 8.6 GRL Jan 12.13 8.7 GRL Jan 18.02 8.7 GRL
RV Cyg Jan 3.72 9.0 GRL Jan 12.14 9.1 GRL
SV Cyg Jan 3.72 9.4 GRL Jan 12.14 9.4 GRL
AF Cyg Jan 12.14 7.8 GRL Jan 18.02 7.8 GRL
V1339 Cyg Dec 31.09 6.3 GRL Jan 12.13 6.4 GRL Jan 18.07 6.5 GRL
RY Dra Jan 12.12 7.4 GRL Jan 18.09 7.4 GRL
X Her Dec 31.09 6.9 GRL Jan 12.12 6.9 GRL Jan 18.07 7.0 GRL
g Her Dec 31.09 5.6 GRL Jan 12.12 5.2 GRL Jan 18.07 5.1 GRL
AB Leo Jan 12.12 10.3 GRL Jan 17.97 10.2 GRL
S Per Jan 3.74 9.9 GRL Jan 11.81 9.8 GRL Jan 17.95 9.6 GRL
TX Per Jan 3.75 10.6 GRL Jan 11.81 10.6 GRL Jan 17.96 10.6 GRL
Y Tau Jan 11.84 7.7 GRL Jan 17.92 7.6 GRL
Z UMa Jan 3.74 8.6 GRL Jan 11.85 8.3 GRL Jan 18.00 8.1 GRL
R UMi Jan 3.74 9.5 GRL Jan 12.12 9.5 GRL Jan 18.01 9.5 GRL
V UMi Jan 3.74 8.4 GRL Jan 11.85 8.6 GRL Jan 17.98 8.5 GRL
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Bjorn H. Granslo
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