記事タイトル:Comet C/2002 C2 (LINEAR) 

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[2005年5月8日 10時38分8秒]

お名前: 佐藤 裕久   
Lincoln研究所のR. HuberとF. Shelleyは、2月1日のLINEARの観測から彗星を発見した。
P.A.12.5°に42"-47"の尾がある。
2月1.8日のModra(0.6-m f/5.5反射 + CCD)での観測では、m1 = 16.3、不釣合いなコマと、
P.A.約30°に向かって15" 伸びている。2.7日、少し拡散した約10"のコマがある。
また、2月2.7日、Kelt天文台(0.57-m f/5.2反射 + CCD)の観測では、10"のコマがある。
2月2.8日、Duesseldorf(Essen.、ドイツ、0.32-m f/5.7反射 + CCD)では、コマが見え、
m1 = 16.6。

発見位置は次のとおり、

     2002 UT             R.A. (2000) Decl.        m1
     Feb.  1.09074    2 17 07.09   +55 10 02.3   17.8

改良軌道要素、位置推算表は次のとおり、

Orbital elements:
    C/2002 C2 (LINEAR)
T 2002 Mar. 27.561 TT                                   MPC
q   3.28292              (2000.0)            P               Q
                   Peri.  156.393       +0.327879       +0.399404
                   Node   242.588       +0.637392       +0.575369
e   1.0            Incl.  105.329       +0.697299       -0.713742
From 35 observations 2002 Feb. 1-2.

Ephemeris:
    C/2002 C2 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2002 01 26    02 13.22   +58 00.0    2.965    3.333   103.3    16.7  16.1  18.4
2002 02 05    02 19.94   +53 26.7    3.081    3.318    95.1    17.2  16.2  18.5
2002 02 15    02 28.02   +49 24.0    3.217    3.305    86.4    17.4  16.2  18.5
2002 02 25    02 36.97   +45 51.9    3.363    3.296    77.6    17.1  16.3  18.6
2002 03 07    02 46.48   +42 48.0    3.515    3.289    68.8    16.3  16.4  18.7
2002 03 17    02 56.37   +40 09.1    3.665    3.284    60.1    15.2  16.5  18.7
2002 03 27    03 06.49   +37 51.3    3.808    3.283    51.6    13.8  16.6  18.8
2002 04 06    03 16.70   +35 50.7    3.941    3.284    43.2    12.0  16.6  18.8
2002 04 16    03 26.95   +34 03.9    4.059    3.288    35.0    10.1  16.7  18.8

(IAUC 7815、MPEC 2002-C05)
[2002年2月3日 9時49分29秒]

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