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C/1942 C1 (Whipple-Bernasconi-Kulin)

메타데이터

항목
Designation C/1942 C1 (Whipple-Bernasconi-Kulin)
Type C
Perihelion (tp_cal, UTC) 1942-04-30T19:52:28.176960Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:29:05Z
Obs used 8
NEO -
M1 -
K1 -
PC -
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 1942-03-29.0000000
e 1.00101873
q (au) 1.445344
a (au) -1418.765903
i (deg) 79.454034
Ω (om, deg) 340.934457
ω (w, deg) 223.411736
M (ma, deg) -0.000605

밝기

C/1942 C1 (Whipple-Bernasconi-Kulin) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (4.871 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 4.871
n 6.000
gf 1.000
gb -0.520
k 0.800
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

천체력

Date/Time (UTC) RA (J2000) Dec (J2000) Nearest HIP Dist from HIP (arcmin)
2026-02-03 00:00 22:24:10.53 +21:22:51.4 HIP 110752 30.26
2026-02-03 12:00 22:24:11.57 +21:22:53.5 HIP 110752 30.02
2026-02-04 00:00 22:24:12.61 +21:22:55.6 HIP 110752 29.78
2026-02-04 12:00 22:24:13.65 +21:22:57.8 HIP 110752 29.54
2026-02-05 00:00 22:24:14.69 +21:23:00.2 HIP 110752 29.30
2026-02-05 12:00 22:24:15.74 +21:23:02.5 HIP 110752 29.05
2026-02-06 00:00 22:24:16.79 +21:23:05.0 HIP 110752 28.81
2026-02-06 12:00 22:24:17.85 +21:23:07.6 HIP 110752 28.56
2026-02-07 00:00 22:24:18.91 +21:23:10.2 HIP 110752 28.31
2026-02-07 12:00 22:24:19.96 +21:23:13.0 HIP 110752 28.06
2026-02-08 00:00 22:24:21.03 +21:23:15.8 HIP 110752 27.82
2026-02-08 12:00 22:24:22.09 +21:23:18.7 HIP 110752 27.57
2026-02-09 00:00 22:24:23.16 +21:23:21.7 HIP 110752 27.31
2026-02-09 12:00 22:24:24.23 +21:23:24.8 HIP 110752 27.06
2026-02-10 00:00 22:24:25.30 +21:23:27.9 HIP 110752 26.81
2026-02-10 12:00 22:24:26.37 +21:23:31.2 HIP 110752 26.56
2026-02-11 00:00 22:24:27.45 +21:23:34.5 HIP 110752 26.30
2026-02-11 12:00 22:24:28.53 +21:23:37.9 HIP 110752 26.04
2026-02-12 00:00 22:24:29.61 +21:23:41.4 HIP 110752 25.79
2026-02-12 12:00 22:24:30.69 +21:23:44.9 HIP 110752 25.53
2026-02-13 00:00 22:24:31.77 +21:23:48.6 HIP 110752 25.27
2026-02-13 12:00 22:24:32.86 +21:23:52.3 HIP 110752 25.01
2026-02-14 00:00 22:24:33.95 +21:23:56.1 HIP 110752 24.75
2026-02-14 12:00 22:24:35.03 +21:24:00.0 HIP 110752 24.49
2026-02-15 00:00 22:24:36.12 +21:24:04.0 HIP 110752 24.23
2026-02-15 12:00 22:24:37.22 +21:24:08.1 HIP 110752 23.97
2026-02-16 00:00 22:24:38.31 +21:24:12.2 HIP 110752 23.71
2026-02-16 12:00 22:24:39.40 +21:24:16.4 HIP 110752 23.44
2026-02-17 00:00 22:24:40.50 +21:24:20.7 HIP 110752 23.18
2026-02-17 12:00 22:24:41.59 +21:24:25.1 HIP 110752 22.91
2026-02-18 00:00 22:24:42.69 +21:24:29.6 HIP 110752 22.65
2026-02-18 12:00 22:24:43.79 +21:24:34.1 HIP 110752 22.38
2026-02-19 00:00 22:24:44.89 +21:24:38.7 HIP 110752 22.12
2026-02-19 12:00 22:24:45.99 +21:24:43.4 HIP 110752 21.85
2026-02-20 00:00 22:24:47.09 +21:24:48.2 HIP 110752 21.58
2026-02-20 12:00 22:24:48.19 +21:24:53.0 HIP 110752 21.31
2026-02-21 00:00 22:24:49.29 +21:24:57.9 HIP 110752 21.04
2026-02-21 12:00 22:24:50.39 +21:25:02.9 HIP 110752 20.78
2026-02-22 00:00 22:24:51.49 +21:25:08.0 HIP 110752 20.51
2026-02-22 12:00 22:24:52.59 +21:25:13.2 HIP 110752 20.24
2026-02-23 00:00 22:24:53.69 +21:25:18.4 HIP 110752 19.97
2026-02-23 12:00 22:24:54.79 +21:25:23.7 HIP 110752 19.69
2026-02-24 00:00 22:24:55.89 +21:25:29.1 HIP 110752 19.42