COMMISSION 27 OF THE I. A. U.
             INFORMATION BULLETIN ON VARIABLE STARS
                         Number 3084


                                           Konkoly Observatory
                                           Budapest
                                           9 September 1987

                                           HU ISSN 0374-0676


          PHOTOMETRIC BEHAVIOUR OF DR TAURI IN THE SEASON
                              1986/87



   In completing and supplementing the light curve in B the star was measured
on 37 blue-sensitive plates (ORWO-ZU21 + GG13 + BG12) from 20 nights obtained
with the 50/70/172 cm Schmidt camera of Sonneberg Observatory covering the time
interval between 4 September 1986 and 23 February 1987. The measurements, which
are listed in Table I and which are given in the light curve in Figure 1 were
linked to the previous sequence of comparison stars given in the IBVS 2172.


                             [FIGURE 1]


                    
                      Table I

J.D.           mB       J.D.         mB
244....               244....
6678.586      12m63   6741.567      11m26
6679.570      12.22   6745.590      11.53
6704.502      11.87   6745.609      11.22
6704.522      12.16   6746.586      12.05
6704.544      12.20   6746.603      12.03
6705.529      11.83   6762.465      12.04
6705.556      11.59   6762.486      12.17
6707.497      11.84   6763.452      12.18
6707.516      12.00   6763.472      12.21
6713.576      11.90   6764.436      12.83
6713.595      11.82   6826.340      11.92
6716.601      13.72   6826.376      11.98
6716.638      13.78   6827.333      11.87
6731.422      12.28   6827.353      11.89
6733.607      11.93   6828.300      11.34
6733.626      11.70   6828.319      11.27
6737.508      12.64   6850.288      11.79
6737.530      12.47   6850.308      11.92
6741.509      11.28

  The light curve shows the star in an active phase. This behaviour is expressed
by a total amplitude of Delta mB = 2.56 and by short-time light depressions
and brightness increases starting from a normal light at mB ~ 12.04.



                            W. GOTZ
                      Akademie der Wissenschaften
                      der DDR, Zentralinstitut fur
                      Astrophysik, Sternwarte Sonneberg
                      DDR