Central Bureau for Astronomical Telegrams
IAUC 4192: 1986 EB; R CrB
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Read IAUC 4193
Circular No. 4192
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 EB
E. and C. Shoemaker provide the following precise positions of
observations made at Palomar:
1986 UT R.A. (1950.0) Decl.
Mar. 4.33247 12 16 51.54 +28 18 20.3
5.34444 12 10 11.96 +27 54 39.4
8.23229 11 50 52.00 +26 34 54.3
8.45425 11 49 19.36 +26 28 02.7
9.37899 11 43 05.61 +25 58 26.6
9.39444 11 42 59.24 +25 57 55.8
Orbital elements by C. M. Bardwell, Center for Astrophysics,
based on the above 6 observations, indicate this to be an Aten-
type minor planet:
T = 1985 Oct. 3.190 ET
Peri. = 359.406 e = 0.27918
Node = 358.124 1950.0 a = 0.97299 AU
Incl. = 23.075 n = 1.026934
q = 0.70135 AU P = 0.96 years
1986 ET R.A. (1950.0) Decl. p r V
Mar. 11 11 32.21 +25 02.5 0.258 1.237 13.3
13 11 18.99 +23 46.8
15 11 06.17 +22 24.9 0.260 1.240 13.3
17 10 53.91 +20 58.4
19 10 42.32 +19 28.6 0.267 1.243 13.5
21 10 31.50 +17 57.2
23 10 21.49 +16 25.4 0.279 1.244 13.7
25 10 12.31 +14 54.6
27 10 03.97 +13 25.6 0.294 1.245 13.9
29 9 56.43 +11 59.2
31 9 49.68 +10 36.0 0.313 1.244 14.2
Apr. 2 9 43.66 + 9 16.3
R CORONAE BOREALIS
J. A. Mattei, AAVSO, reports visual magnitude estimates which
indicate that R CrB is again fading: Feb. 17.11 UT, 6.9 (D. Fisher,
Berwick, ON); 27.22, 6.8 (K. Medway, Southampton, England); Mar.
1.1, 7.5 (J. Bortle, Stormville, NY); 6.22, 7.4 (Medway).
1986 March 12 (4192) Daniel W. E. Green
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