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C/2003 T3 (Tabur)

메타데이터

항목
Designation C/2003 T3 (Tabur)
Type C
Perihelion (tp_cal, UTC) 2004-04-29T00:02:37.222080Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:30:34Z
Obs used 744
NEO -
M1 5.900
K1 14.750
PC 0.030
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2004-08-03.0000000
e 0.99974038
q (au) 1.481076
a (au) 5704.858834
i (deg) 50.444452
Ω (om, deg) 347.057553
ω (w, deg) 43.773801
M (ma, deg) 0.000220

밝기

C/2003 T3 (Tabur) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (5.386 + 5.441\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 5.386
n 5.441
gf 1.000
gb -0.500
k 1.000
δ90 10.000
파라미터 기호 범위 설명
태양·지구거리 1 AU에서의 절대등급 H0 -5 to 20 혜성의 고유 밝기
광도 기울기 파라미터 n 2 to 6 태양거리 변화에 따른 밝기 변화율
전방 산란 비대칭 계수 gf 0.8 to 1 전방 산란의 강도
후방 산란 비대칭 계수 gb -1 to -0.5 후방 산란의 강도
분할 계수 k 0.8 to 1 전·후방 산란 기여도 비율
먼지/가스 밝기 비 δ90 1 to 10 코마에서 먼지 산란 대비 가스 방출의 상대 기여

참고: EPSC-DPS2025-160

잔차 (구간 선형)

$$\epsilon = a \log_{10} r_{\mathrm{au}} + b$$

시작일 (UTC) 끝 (UTC) a b
2003-10-14 2004-04-28 -5.0339 +0.956
2004-04-29 2004-08-08 +0.8945 -0.357
2004-08-08 2004-09-10 +3.8235 -1.607
2004-09-10 2004-10-13 +3.8481 -1.921
2004-10-13 2005-02-04 +3.1633 -1.432
2005-02-04 2005-05-03 -8.2973 +4.779

log10 r = log10(태양거리/AU), Δ = 지구거리(AU)

천체력

Date/Time (UTC) RA (J2000) Dec (J2000) Nearest HIP Dist from HIP (arcmin)
2026-02-03 00:00 11:41:31.27 -16:52:51.8 HIP 57078 11.06
2026-02-03 12:00 11:41:29.23 -16:52:50.4 HIP 57078 11.41
2026-02-04 00:00 11:41:27.17 -16:52:48.9 HIP 57078 11.78
2026-02-04 12:00 11:41:25.09 -16:52:47.2 HIP 57078 12.16
2026-02-05 00:00 11:41:23.00 -16:52:45.2 HIP 57005 12.12
2026-02-05 12:00 11:41:20.89 -16:52:43.1 HIP 57005 11.98
2026-02-06 00:00 11:41:18.77 -16:52:40.9 HIP 57005 11.85
2026-02-06 12:00 11:41:16.63 -16:52:38.4 HIP 57005 11.74
2026-02-07 00:00 11:41:14.47 -16:52:35.7 HIP 57005 11.64
2026-02-07 12:00 11:41:12.30 -16:52:32.9 HIP 57005 11.57
2026-02-08 00:00 11:41:10.12 -16:52:29.9 HIP 57005 11.51
2026-02-08 12:00 11:41:07.92 -16:52:26.6 HIP 57005 11.48
2026-02-09 00:00 11:41:05.71 -16:52:23.3 HIP 57005 11.47
2026-02-09 12:00 11:41:03.48 -16:52:19.7 HIP 57005 11.48
2026-02-10 00:00 11:41:01.24 -16:52:15.9 HIP 57005 11.51
2026-02-10 12:00 11:40:58.98 -16:52:12.0 HIP 57005 11.57
2026-02-11 00:00 11:40:56.71 -16:52:07.9 HIP 57005 11.65
2026-02-11 12:00 11:40:54.43 -16:52:03.5 HIP 57005 11.75
2026-02-12 00:00 11:40:52.13 -16:51:59.1 HIP 57005 11.87
2026-02-12 12:00 11:40:49.83 -16:51:54.4 HIP 57005 12.02
2026-02-13 00:00 11:40:47.50 -16:51:49.5 HIP 57005 12.19
2026-02-13 12:00 11:40:45.17 -16:51:44.5 HIP 57005 12.39
2026-02-14 00:00 11:40:42.82 -16:51:39.3 HIP 57005 12.60
2026-02-14 12:00 11:40:40.46 -16:51:33.9 HIP 57005 12.84
2026-02-15 00:00 11:40:38.09 -16:51:28.3 HIP 57005 13.09
2026-02-15 12:00 11:40:35.70 -16:51:22.6 HIP 57005 13.37
2026-02-16 00:00 11:40:33.31 -16:51:16.6 HIP 57005 13.66
2026-02-16 12:00 11:40:30.90 -16:51:10.5 HIP 57005 13.97
2026-02-17 00:00 11:40:28.48 -16:51:04.3 HIP 57005 14.30
2026-02-17 12:00 11:40:26.05 -16:50:57.8 HIP 57005 14.64
2026-02-18 00:00 11:40:23.61 -16:50:51.2 HIP 57005 15.00
2026-02-18 12:00 11:40:21.15 -16:50:44.3 HIP 57005 15.38
2026-02-19 00:00 11:40:18.69 -16:50:37.4 HIP 56899 15.03
2026-02-19 12:00 11:40:16.22 -16:50:30.2 HIP 56899 14.66
2026-02-20 00:00 11:40:13.74 -16:50:22.9 HIP 56899 14.31
2026-02-20 12:00 11:40:11.24 -16:50:15.4 HIP 56899 13.97
2026-02-21 00:00 11:40:08.74 -16:50:07.7 HIP 56899 13.65
2026-02-21 12:00 11:40:06.23 -16:49:59.9 HIP 56899 13.34
2026-02-22 00:00 11:40:03.71 -16:49:51.8 HIP 56899 13.05
2026-02-22 12:00 11:40:01.18 -16:49:43.7 HIP 56899 12.78
2026-02-23 00:00 11:39:58.64 -16:49:35.3 HIP 56899 12.53
2026-02-23 12:00 11:39:56.09 -16:49:26.8 HIP 56899 12.31
2026-02-24 00:00 11:39:53.53 -16:49:18.1 HIP 56899 12.11