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IAUC 4572: 1988e; W Men

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IAUC number 

                                                  Circular No. 4572
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 617-495-7244/7440/7444


COMET LEVY (1988e)
     The following additional positions have been reported:

   1988 UT            R. A.  (1950)  Decl.       m1    Observer
   Mar. 27.80312    21 43 28.3    +20 28 01      12    Hayakawa
        27.81354    21 43 28.8    +20 28 18               "
        30.50000    21 46 53.03   +21 43 13.1          Bus

S. Hayakawa (YGCO Nagano station).  Communicated by T. Kobayashi.
S. J. Bus and C. J. Cunningham (Lowell Observatory, Anderson Mesa
   Station).  Measured by E. Bowell.  Position uncertain.

     The following improved parabolic orbital elements are from 5
observations, Mar. 22-30:

         T = 1987 Nov. 30.34 ET      Peri. = 325.97
                                     Node  = 287.93   1950.0
         q =   1.1598 AU             i     =  62.76

     1988 ET      R.A. (1950) Decl.     Delta      r       m1
     Mar. 20    21 33.10    +16 48.6    2.694    2.024    11.2
          25    21 39.82    +19 09.5
          30    21 46.25    +21 29.3    2.735    2.136    11.5
     Apr.  4    21 52.40    +23 48.0
           9    21 58.25    +26 05.5    2.773    2.249    11.7
          14    22 03.79    +28 21.8
          19    22 09.01    +30 36.9    2.810    2.362    12.0
          24    22 13.88    +32 50.5
          29    22 18.39    +35 02.6    2.846    2.475    12.2

     Total visual magnitude estimates:  Mar. 22.81 UT, 11.7 (T.
Seki, Geisei, Japan, 0.20-m refractor); 24.49, 11.4 (D. H. Levy,
Tucson, AZ, 0.4-m reflector; 1'.5 tail in p.a. 240 deg); 25.52, 11.6
(C. S. Morris, near Mt. Wilson, CA, 0.26-m reflector); 26.49, 11.4
(Levy; fanned 3' tail in p.a. 240 deg); 29.49, 11.4 (Levy).


W MENSAE
     I. S. Glass, South African Astronomical Observatory, telexes
that this R CrB-type star in the Large Magellanic Cloud is now in
a faint state (confirmed by C. D. Laney with a CCD picture).


1988 March 30                  (4572)            Daniel W. E. Green

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