Central Bureau for Astronomical Telegrams
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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