Central Bureau for Astronomical Telegrams
IAUC 3754: 1982 XB; SN IN NGC 5473
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Read IAUC 3755
Circular No. 3754
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 617-864-5758
1982 XB
Eleanor Helin, Jet Propulsion Laboratory, reports her discovery
of a fast-moving asteroidal object on exposures with the 0.46-
m Schmidt telescope at Palomar as shown below. A. Graps and S.
Swanson assisted. Trail ends have been measured by R. S. Dunbar.
1982 UT R.A. (1950.0) Decl. Mag.
Dec. 14.18472 2 47 13.85 +24 29 08.6 14.5
14.18750 2 47 14.97 +24 29 34.5
15.23194 2 56 08.16 +27 27 09.3
15.23611 2 56 09.96 +27 27 46.0
15.25903 2 56 21.02 +27 31 52.8
15.26319 2 56 22.78 +27 32 32.1
15.36597 2 57 13.97 +27 50 19.4
15.37361 2 57 17.83 +27 51 33.4
Orbital elements by the undersigned:
T = 1982 Dec. 23.681 ET
Peri. = 16.168 e = 0.44699
Node = 74.721 1950.0 a = 1.83849 AU
Incl. = 3.918 n = 0.395378
q = 1.01671 AU P = 2.49 years
1982 ET R.A. (1950.0) Decl. p r Mag.
Dec. 17 3 14.71 +32 55.3 0.042 1.020 14.4
18 3 27.57 +36 13.0
19 3 42.50 +39 35.6 0.039 1.018 14.2
20 3 59.84 +42 58.3
21 4 19.88 +46 15.1 0.038 1.017 14.1
22 4 42.87 +49 19.0
23 5 08.84 +52 02.6 0.038 1.017 14.1
24 5 37.52 +54 19.1
25 6 08.26 +56 03.3 0.039 1.017 14.2
26 6 40.01 +57 12.7
27 7 11.48 +57 48.0 0.042 1.017 14.4
SUPERNOVA IN NGC 5473
B. Szeidl, Konkoly Observatory, reports that M. Lovas has
discovered a supernova 20" west and 48" north of the nucleus of
NGC 5473. On Dec. 14 the photographic magnitude was 15.0.
1982 December 17 (3754) Brian G. Marsden
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