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IAUC 5710: 4U 0614+09; 1993 BW2

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                                                  Circular No. 5710
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM     EASYLINK 62794505
MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


4U 0614+09
     S. Brandt, N. Lund and A. J. Castro-Tirado, Danish Space Research
Institute, report: "An x-ray burst from the low-mass x-ray binary 4U
0614+09 has been detected by the WATCH all-sky monitor on the EURECA
satellite.  The burst started on Feb. 17.46513 UT and in eight seconds
reached a peak flux of 15 Crab in the 6-15-keV energy band.  The flux
decayed with an e-folding time of about 15 seconds."


1993 BW2
     Further precise positions have been reported as follows:

     1993 UT             R.A. (2000) Decl.       Observer
     Feb.  2.98084    6 44 00.54   +39 58 44.4   Bendjoya
           2.98582    6 44 01.09   +39 59 03.3     "
           2.98848    6 44 01.44   +39 59 14.2     "
          18.14792    7 16 57.67   +49 45 49.9   McCrosky
          18.15744    7 16 58.86   +49 45 59.8     "

P. Bendjoya and A. Maury (Observatoire de la Cote d'Azur).  0.9-m CERGA
   Schmidt + CCD.  Reduction by Maury and J. B. Edmond.
R. E. McCrosky and C.-Y. Shao (Oak Ridge).  1.5-m reflector + CCD.

     Improved orbital elements from 12 observations Jan. 28-Feb. 18:

     T = 1992 Nov. 20.1158 TT         Peri. = 287.2101
     e = 0.304419                     Node  = 121.2250  2000.0
     q = 0.926126 AU                  Incl. =  21.8299
       a =  1.331442 AU    n = 0.6415352    P =   1.536 years

1993 TT     R. A. (2000) Decl.     Delta      r    Elong. Phase      V
Feb. 17     7 14.43    +49 23.6    0.323    1.218  129.1   39.0     17.0
     22     7 25.56    +50 43.8    0.369    1.242  125.8   40.2     17.4
     27     7 36.87    +51 28.9    0.416    1.266  122.9   41.1     17.7
Mar.  4     7 48.32    +51 48.0    0.465    1.289  120.1   41.7     18.0
      9     7 59.84    +51 47.3    0.514    1.312  117.6   42.1     18.3
     14     8 11.35    +51 31.1    0.564    1.335  115.1   42.4     18.5
     19     8 22.84    +51 02.3    0.614    1.357  112.8   42.5     18.8
     24     8 34.28    +50 23.1    0.666    1.379  110.5   42.6     19.0


1993 February 18               (5710)              Brian G. Marsden

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