COMMISSION 27 OF THE I. A. U.
         INFORMATION BULLETIN ON VARIABLE STARS
                     Number 2159

                                 Konkoly Observatory
                                 Budapest
                                 1982 June 14

                                 HU ISSN 0374-0676




         TIMES OF MINIMA FOR EIGHT ECLIPSING BINARIES




     Thirteen times of minima for eight eclipsing variables have been
determined photoelectrically with the 30 cm Maksutov telescope of the
University of Ankara, using an uncooled EMI 6256S photomultiplier tube
and a dc chart recorder.


    Binary          HJD       m.e.
------------------------------------------------------
  ST   Aqr    2444845.3898 +- 0.0004
  RZ   Com        694.3712 +- 0.0006
                  695.3868 +- 0.0003
  RW   CrB        780.4044 +- 0.0002
                  783.3109 +- 0.0010
V836   Cyg        840.4236 +- 0.0003
                  842.3839 +- 0.0002
V1073 Cyg         783.4139 +- 0.0005
                  790.4899 +- 0.0005
  TZ   Lyr        784.4082 +- 0.0005
  BB   Peg        812.5022 +- 0.0003
  DI   Peg        843.4272 +- 0.0002
                  848.4102 +- 0.0002


    Each minimum time given in the table is the mean of two determinations 
through b and v filters. The timings were made by the method of Kwee
and Van Woerden (1956).

    Supports by TUBITAK (Scientific and Technical Research Council
of Turkey) and US National Science Foundation through a grant to Prof. T.J.
Herczeg of the University of Oklahoma are gratefully acknowledged.





            E. DERMAN, N. YILMAZ, S. ENGIN
            Z. ASLAN, C. AYDIN, Z. TUFEKCIOGLU

            University Observatory
            A.U. Fen Fakultesi
            Ankara, Turkey





Reference:

K.K. Kwee and H. Van Woerden, Bull. Astron. Neth. 12, 327, 1956 [BIBCODE 1956BAN....12..327K ]




                        [From IBVS 2271]

                              ERRATA

The minimum times for six binaries published in IBVS No. 2159 contain
erroneous light-time corrections plus a misprint in the case of ST Aqr. The
correct times are as follows.



Binary           H JD 2400000+

ST Aqr        44841.3903+-0.0004
RW CrB        44780.4066+-0.0002
              44783.3126+-0.0010
V836 Cyg      44840.4224+-0.0003
              44842.3826+-0.0002
TZ Lyr        44784.4100+-0.0005
BB Peg        44812.5030+-0.0003
DI Peg        44893.4270+-0.0002
              44848.4100+-0.0002





            E. DERMAN, N. YILMAZ, S. ENGIN
            Z. ASLAN, C. AYDIN, Z. TUFEKCIOGLU

            University Observatory
            A.U. Fen Fakultesi
            Ankara, Turkey