Central Bureau for Astronomical Telegrams
IAUC 4215: 1986 JK; 1986G
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Read IAUC 4216
Circular No. 4215
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
1986 JK
C. S. and E. M. Shoemaker report their discovery with the
0.46-m Schmidt telescope at Palomar of an asteroidal object, near
opposition but having direct motion:
1986 UT R.A. (1950.0) Decl. B
May 4.33281 15 15 27.38 -14 18 15.7
5.37830 15 16 43.38 -14 25 17.0 17.5
9.30764 15 22 38.63 -14 59 10.4
10.27552 15 24 28.35 -15 09 51.0
10.46563 15 24 47.74 -15 12 02.1
1986 JK appears to be an Apollo object approaching the earth:
T = 1986 July 1.461 ET
Peri. = 232.229 e = 0.70812
Node = 62.315 1950.0 a = 3.06993 AU
Incl. = 2.200 n = 0.183236
q = 0.89604 AU P = 5.38 years
1986 ET R.A. (1950.0) Decl. p r V
May 14 15 33.59 -16 03.4 0.137 1.147 15.3
16 15 40.63 -16 44.8
18 15 50.14 -17 39.5 0.102 1.113 14.6
20 16 03.61 -18 53.8
22 16 23.90 -20 37.2 0.069 1.080 13.8
24 16 57.00 -23 02.9
26 17 56.29 -26 09.2 0.040 1.049 13.1
28 19 44.39 -27 41.8
30 22 05.48 -21 44.8 0.030 1.020 13.9
June 1 23 45.87 -12 07.7
3 0 40.55 - 5 25.6 0.051 0.994 16.7
SUPERNOVA 1986G IN NGC 5128
I. Bues, Remeis Observatory, Bamberg; H. W. Duerbeck, Astronomical
Institute, Muenster; and L. Kohoutek, Hamburg Observatory,
report: "Spectra (380-580 nm) taken with the 1.52-m telescope at
the European Southern Observatory on May 7.1 UT show the reddened
spectrum of a type I supernova around maximum. Photomery with the
ESO 0.5-m telescope on May 8.2 gives V = 11.58, B-V = +0.99, U-B =
+0.51, indicating a small brightness increase since discovery."
1986 May 13 (4215) Brian G. Marsden
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