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[vsnet-history 515] VS observations (NS.VSS)




Date: Wed, 24 Mar 1993 22:04:34 +0100
From: granslo@argo.uio.no
Subject: Variable Stars (Report of 1993 Mar 24)

         Norwegian Astronomical Society  -  Variable Star Section

       *** VARIABLE STAR OBSERVATIONS - REPORT OF 1993 MARCH 24 ***

This report contains visual observations on eruptive and cataclysmic
variables since 1993 March 14. Time system is Universal Time. Observer:
B. H. Granslo, Fjellhamar, Norway (20.3-cm SCT, Binoculars 7x35);
O. Midtskogen, Svenskerud 127, N-3408 Tranby.

1. NOVAE AND RECURRENT NOVAE
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  Variable   Date UT   Magn  Obs   Date UT   Magn  Obs   Date UT   Magn  Obs
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     T CrB  Mar 17.01  10.3  GRL  Mar 17.95  10.2  GRL  Mar 18.95  10.3  GRL
     T CrB  Mar 20.14  10.3  GRL  Mar 22.00  10.2  GRL  Mar 23.94  10.2  GRL
Near minimum, but slightly brighter than in February.
 V1974 Cyg  Mar 17.016 11.1  GRL  Mar 17.961 11.0  GRL  Mar 19.055 11.0  GRL
 V1974 Cyg  Mar 20.063 11.2  GRL  Mar 22.007 11.2  GRL  Mar 23.953 11.2  GRL
Fading slowly. V1974 Cygni = Nova Cygni 1992.
    RS Oph  Mar 20.13  11.7  GRL
Near minimum.
    GK Per  Mar 17.93  13.1: GRL
Near minimum.
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2. DWARF NOVAE
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  Variable   Date UT   Magn  Obs   Date UT   Magn  Obs   Date UT   Magn  Obs
----------------------------------------------------------------------------
    RX And  Mar 22.03  11.8: GRL
In outburst Mar 21/22?
    SS Aur  Mar 17.00 <13.2  GRL  Mar 17.94 <13.5: GRL  Mar 20.06 <13.2  GRL
    SS Aur  Mar 21.99 <13.5: GRL
    TT Boo  Mar 17.99 <13.5: GRL  Mar 20.15 <13.5: GRL  Mar 22.00 <13.9  GRL
    TT Boo  Mar 24.00 <13.5: GRL
     Z Cam  Mar  2.05  11.6  GRL  Mar  4.05  11.5  GRL  Mar  9.97  11.5  GRL
     Z Cam  Mar 17.00  11.5  GRL  Mar 18.00  11.5  GRL  Mar 18.95  11.4  GRL
     Z Cam  Mar 20.06  11.4  GRL  Mar 22.00  11.5  GRL  Mar 23.95  11.6  GRL
At standstill.
    SY Cnc  Mar 17.98  11.9  GRL  Mar 21.99  13.0  GRL
Fading.
    YZ Cnc  Mar 17.01  12.1  GRL  Mar 17.98  12.9  GRL  Mar 20.06 <13.0: GRL
    YZ Cnc  Mar 21.99 <13.6  GRL
Normal outburst Mar 16/17 and Mar 17/18.
    SS Cyg  Mar 17.01   8.5  GRL  Mar 18.95   8.9  GRL  Mar 20.10   9.1  GRL
    SS Cyg  Mar 22.01   9.8  GRL  Mar 23.94  10.6  GRL
Fading.
    EM Cyg  Mar 19.06  12.6  GRL  Mar 20.10  12.6  GRL  Mar 22.05  13.0  GRL
In outburst Mar 18/19 to Mar 21/22.
    EY Cyg  Mar 20.10 <13.5: GRL  Mar 22.05 <13.5: GRL
    AB Dra  Mar 17.99 <13.4  GRL  Mar 20.06 <13.4  GRL  Mar 22.00  12.6  GRL
    AB Dra  Mar 23.94  12.8  GRL
In outburst Mar 21/22 and Mar 23/24.
     U Gem  Mar 17.01 <13.0: GRL  Mar 17.98 <13.5: GRL  Mar 19.905  9.3  GRL
     U Gem  Mar 20.053  9.2  GRL  Mar 21.976  9.1  GRL  Mar 23.933  9.2  GRL
In outburst from Mar 19/20. First maximum for nearly seven months.
    IR Gem  Mar 22.02 <13.2  GRL
    AH Her  Mar 17.01  11.1  GRL  Mar 17.96  11.0  GRL  Mar 19.05  11.4  GRL
    AH Her  Mar 20.14  11.7  GRL  Mar 22.00  11.9  GRL  Mar 23.98  13.0  GRL
Bright outburst from Mar 16/17.
     X Leo  Mar 17.01 <13.0: GRL  Mar 17.99 <13.5  GRL  Mar 21.95 <13.5  GRL
     X Leo  Mar 24.00 <13.0: GRL
    TZ Per  Mar 17.94  13.2  GRL  Mar 20.13  13.4  GRL  Mar 22.02  13.3  GRL
At standstill?
    UV Per  Mar 17.94 <13.5  GRL  Mar 20.13 <13.7  GRL  Mar 22.02 <13.5  GRL
    KT Per  Mar 20.13 <13.2  GRL  Mar 22.03  12.3  GRL
In outburst Mar 21/22,
    SU UMa  Mar 17.00 <13.4  GRL  Mar 17.99 <13.6: GRL  Mar 20.056 13.1  GRL
    SU UMa  Mar 22.00  13.8  GRL  Mar 23.98 <13.2  GRL
Normal outburst on Mar 19/20.
    SW UMa  Mar 17.01 <13.5  GRL  Mar 17.99 <13.5  GRL  Mar 20.06 <13.5  GRL
    SW UMa  Mar 22.00 <13.5  GRL  Mar 23.98 <13.5  GRL
    CH UMa  Mar 14.81  13.4  MOK  Mar 14.96  12.8  MOK  Mar 17.00 <13.5: GRL
    CH UMa  Mar 17.99 <13.5: GRL  Mar 20.06 <13.5: GRL  Mar 22.00 <13.7  GRL
Short and faint outburst on Mar 14/15, confirmed by G. Hurst on Mar 15/16.
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3. OTHER CATACLYSMIC AND ERUPTIVE VARIABLES
----------------------------------------------------------------------------
  Variable   Date UT   Magn  Obs   Date UT   Magn  Obs   Date UT   Magn  Obs
----------------------------------------------------------------------------
     Z And  Mar 20.10  10.8  GRL  Mar 22.02  10.8  GRL
    RW Aur  Mar 17.94  10.5  GRL  Mar 22.01  10.5  GRL
    TX CVn  Mar 17.03   9.9  GRL  Mar 19.07   9.9  GRL  Mar 22.00   9.9  GRL
    TX CVn  Mar 23.94   9.9  GRL
    UV Cas  Mar 17.06  10.7  GRL  Mar 20.10  10.8  GRL  Mar 22.02  10.8  GRL
   TAV Cas  Mar 17.06  10.7  GRL  Mar 20.11  10.7  GRL  Mar 22.02  10.7  GRL
     R CrB  Mar 17.07   5.7  GRL  Mar 19.07   5.8  GRL  Mar 21.99   5.8  GRL
     R CrB  Mar 23.94   5.8  GRL
    BF Cyg  Mar 19.06  12.0  GRL  Mar 22.05  12.1  GRL
    CH Cyg  Mar 19.06   8.4  GRL  Mar 22.05   8.4  GRL  Mar 23.95   8.3  GRL
    CI Cyg  Mar 19.06  10.8  GRL  Mar 22.05  10.8  GRL
  V482 Cyg  Mar 19.06  11.1  GRL  Mar 22.05  11.1  GRL
 V1016 Cyg  Mar 19.06  10.3  GRL  Mar 22.05  10.3  GRL
 V1057 Cyg  Mar 19.06  12.2  GRL  Mar 22.05  12.4  GRL
    AG Dra  Mar 17.04   9.9  GRL  Mar 22.00   9.9  GRL  Mar 23.94   9.9  GRL
    AX Per  Mar 17.06  11.7  GRL  Mar 20.13  11.7  GRL  Mar 22.03  11.7  GRL
    AG Peg  Mar 20.16   8.7  GRL
     V Sge  Mar 20.14  10.2  GRL
    FG Sge  Mar 20.11  12.0  GRL
    RR Tau  Mar 17.94  10.7  GRL  Mar 22.01  10.6  GRL
    SU Tau  Mar 17.01   9.9  GRL  Mar 17.94   9.9  GRL
-----------------------------------------------------------------------------

                                                   Kind regards,
                                                 Bjorn H. Granslo


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