Circular No. 5515 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@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU) 1992 JE S. Nakano, Sumoto, Japan, reports the discovery by T. Seki of what appears to be an Amor-type minor planet: 1992 UT R.A. (2000) Decl. Mag. Observer May 2.64583 14 54 18.10 - 8 34 56.8 17.5 Seki 2.65625 14 54 17.49 - 8 34 48.6 " 3.59826 14 53 27.25 - 8 20 35.6 17 " 3.60868 14 53 26.67 - 8 20 25.4 " 4.65382 14 52 29.03 - 8 04 28.7 17 " 6.61042 14 50 38.94 - 7 34 17.1 17 Sugie 6.62361 14 50 38.00 - 7 34 01.7 " T. Seki (Geisei). 0.60-m reflector. A. Sugie (Dynic Astronomical Observatory). 0.25-m f/3.4 Schmidt. Preliminary orbital elements by Nakano: T = 1992 Aug. 20.012 TT Peri. = 108.927 e = 0.47714 Node = 195.003 2000.0 q = 1.18321 AU Incl. = 6.229 a = 2.26295 AU n = 0.289529 P = 3.40 years 1992 TT R. A. (2000) Decl. Delta r Elong. Phase V Apr. 28 14 58.14 - 9 42.6 0.651 1.652 170.3 5.9 16.5 May 8 14 49.31 - 7 12.4 0.588 1.591 169.7 6.5 16.3 18 14 39.32 - 4 35.4 0.543 1.531 158.9 13.8 16.3 28 14 30.26 - 2 11.4 0.516 1.473 146.9 22.1 16.4 June 7 14 24.26 - 0 19.5 0.501 1.417 135.6 30.1 16.5 SUPERNOVA 1992V IN ANONYMOUS GALAXY M. Della Valle, European Southern Observatory, reports that a spectrogram (range 380-680 nm, resolution about 2 nm) of SN 1992V (cf. IAUC 5507, 5508), obtained with the 3.6-m telescope (+ EFOSC) at La Silla on May 5.2 UT under non-photometric conditions, shows this object to be a type-Ia supernova about 3 weeks past maximum. Strong emissions are measured at 412, 480, 515, 548, 618, and 670 nm. 1992 May 7 (5515) Daniel W. E. Green
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