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IAUC 4673: N LMC 1988 No. 2; (3908); RY Sgr

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                                                  Circular No. 4673
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 or GREEN@CFA.BITNET    MARSDEN or GREEN@CFAPS2.SPAN


NOVA IN THE LARGE MAGELLANIC CLOUD 1988 No. 2
     M. Hamuy, R. Gonzalez, and G. Martin, Cerro Tololo Interamerican
Observatory, report the following Kron-Cousins photometry obtained
with the CTIO 0.4-m telescope:  Oct. 14.298 UT, V = 10.915, B-V =
+0.141, U-B = -0.701, V-R = +0.301, R-I = +0.341; Oct. 18.276, 12.167,
-0.029, -0.935, +0.612, +0.310; Oct. 22.180, 13.102, -0.102, -0.869,
+0.751, +0.200; Oct. 24.303, 13.224, -0.130, -0.868, +0.677, +0.217;
Oct. 26.318, 13.302, -0.118, -0.805, +0.625, +0.215; Oct. 31.221,
13.737, -0.125, -0.855, +0.586, +0.104; Nov. 5.169, 14.157, -0.283,
-0.814, +0.682, +0.013.


(3908) 1980 PA
     The following improved ephemeris (cf. IAUC 4666) is from the
orbit on MPC 13678 (with full allowance for perturbations):

     1988/89      R.A. (1950) Decl.     Delta      r       V
     Nov.  5     5 53.98    +36 53.9    0.100    1.061    14.3
          10     6 06.71    +33 49.6
          15     6 13.68    +31 16.1    0.127    1.087    14.7
          20     6 16.74    +29 08.8
          25     6 17.08    +27 23.1    0.157    1.124    15.0
          30     6 15.50    +25 55.2
     Dec.  5     6 12.64    +24 42.2    0.193    1.168    15.3
          10     6 09.08    +23 42.0
          15     6 05.35    +22 52.7    0.238    1.220    15.5
          20     6 01.89    +22 12.9
          25     5 58.98    +21 41.4    0.293    1.276    15.8
          30     5 56.79    +21 17.0
     Jan.  4     5 55.45    +20 58.6    0.360    1.335    16.7
           9     5 55.05    +20 45.5
          14     5 55.61    +20 36.5    0.441    1.397    17.4


RY SAGITTARII
     Visual magnitude estimates (cf. IAUC 4646):  Aug. 13.18 UT,
6.7 (P. Collins, Scottsdale, AZ); 24.87 UT, 7.0 (A. Pereira, Cabo
da Roca, Portugal); 25.87, 6.6 (Pereira); 31.88, 6.5 (Pereira);
Sept. 3.1, 6.3 (J. E. Bortle, Stormville, NY); 4.13, 6.2 (Collins);
11.87, 6.4 (Pereira).


1988 November 10               (4673)             Daniel W. E. Green

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