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IAUC 3670: V1343 Aql; 1980b

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                                                  Circular No. 3670
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
TWX 710-320-6842 ASTROGRAM CAM     Telephone 617-864-5758


V1343 AQUILAE
     A. Mammano, University of Messina; and F. Ciatti, R. Margoni
and S. Cristiani, University of Padua, report: "The sinusoidal
trend of the relativistic radial velocities of V1343 Aql = SS 433
appears modulated by a period around 6.3 days and mean semiamplitude
3500 km/s.  From 40 epochs of observed maxima or minima during
1978-81 (often anticorrelated in the two branches) we derive for
maxima in the red branch and minima in the blue: JD 2443833.43 +
6.2851 E, in agreement with a progressing Fourier analysis.'


COMET BOWELL (1980b)
     Further observations have been published and remain to be
published in the MPCs.  The following improved orbital elements are
from 68 observations 1980 Feb. 11 to 1982 Jan. 30:

                      Epoch = 1982 Mar. 12.0 ET
       T = 1982 Mar. 12.3087 ET     Peri. = 134.8783
       e =   1.057207               Node  = 114.0675   1950.0
       q =   3.363850 AU            Incl. =   1.6650

Application of the Ub value calculated by E. Everhart, University
of Denver, gives (l/a)orig = +0.000075 +/- 0.000012 AU**-1.

     1982 ET     R. A. (1950) Decl.     Delta     r      m1
     Feb. 20    17 18.33    -21 53.9    3.573   3.370   13.0
     Mar.  2    17 31.05    -22 04.6
          12    17 42.68    -22 11.0    3.308   3.364   12.9
          22    17 53.03    -22 14.1
     Apr.  1    18 01.91    -22 14.8    3.048   3.369   12.7
          11    18 09.16    -22 14.3
          21    18 14.62    -22 13.4    2.812   3.386   12.5
     May   1    18 18.18    -22 13.1
          11    18 19.84    -22 14.0    2.624   3.413   12.4
          21    18 19.66    -22 16.4
          31    18 17.87    -22 20.2    2.507   3.450   12.4
     June 10    18 14.83    -22 25.1
          20    18 11.04    -22 30.7    2.484   3.498   12.4
          30    18 07.06    -22 36.5
     July 10    18 03.48    -22 42.4    2.567   3.555   12.6
          20    18 00.81    -22 48.0
          30    17 59.43    -22 53.5    2.751   3.621   12.8


1982 February 19               (3670)              Brian G. Marsden

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