( 22 mag im Juni 2009)
Erwin Schwab aus unserer Fachgruppe hat diesen Kometen wiederentdeckt. Herzlichen Glückwunsch! Der Originaltext der CBET-Meldung:
Code:
COMET P/2019 K3 = P/2007 R1 (LARSON)
E. Schwab, Egelsbach, Germany, reports his recovery of comet P/2007 R1
(cf. IAUC 8867) on CCD images taken remotely with the 0.8-m f/3 Schmidt
reflector at Calar Alto, Spain, on two nights (May 29 and June 3 UT); no coma
and no tail was visible on frames with a total exposure time of 600 s. G. V.
Williams, Minor Planet Center, reports his recovery of this comet also in
incidental astrometry submitted by the Pan-STARRS1 survey (apparently
asteroidal images obtained with the 1.8-m Ritchey-Chretien reflector at
Haleakala on May 31). The astrometry is tabulated below.
2019 UT R.A. (2000) Decl. Mag. Observer
May 29.08794 16 42 15.85 -13 26 23.9 21.9 Schwab
29.10684 16 42 15.21 -13 26 22.0 21.7 "
29.11628 16 42 14.94 -13 26 22.4 22.1 "
31.45154 16 41 08.96 -13 23 24.6 22.0 PanSTARRS1
31.46447 16 41 08.59 -13 23 23.4 22.0 "
31.49031 16 41 07.86 -13 23 21.6 21.9 "
June 3.00463 16 39 56.43 -13 20 20.5 22.1 Schwab
3.01404 16 39 56.12 -13 20 19.1 21.6 "
3.02346 16 39 55.88 -13 20 18.5 21.3 "
3.03287 16 39 55.56 -13 20 17.7 22.1 "
The indicated correction to the prediction by Williams on MPC 75514 is
Delta(T) = -0.08 day. The following linked orbital elements by Williams
(from 226 observations spanning 2007 Sept. 4-2019 June 3; mean residual 0".6)
and an ephemeris appear on MPEC 2019-L42.
Epoch = 2022 Mar. 2.0 TT
T = 2022 Feb. 17.41718 TT Peri. = 170.98593
e = 0.3169734 Node = 173.74093 2000.0
q = 4.4197574 AU Incl. = 8.31059
a = 6.4708426 AU n = 0.05987738 P = 16.46 years
NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
superseded by text appearing later in the printed IAU Circulars.
(C) Copyright 2019 CBAT
2019 June 4 (CBET 4635) Daniel W. E. Green
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