Comet Archive

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C/2015 V3 (PANSTARRS)

메타데이터

항목
Designation C/2015 V3 (PANSTARRS)
Type C
Perihelion (tp_cal, UTC) 2015-11-24T20:48:06.068160Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:33:16Z
Obs used 99
NEO -
M1 7.300
K1 15.500
PC 0.030
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 2016-01-24.0000000
e 0.99484386
q (au) 4.235691
a (au) 821.484531
i (deg) 86.231771
Ω (om, deg) 2.340885
ω (w, deg) 0.821275
M (ma, deg) 0.002517

밝기

C/2015 V3 (PANSTARRS) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (6.207 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 6.207
n 6.000
gf 0.999
gb -0.501
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

천체력

Date/Time (UTC) RA (J2000) Dec (J2000) Nearest HIP Dist from HIP (arcmin)
2026-02-03 00:00 13:46:31.17 +45:19:15.6 HIP 67382 23.84
2026-02-03 12:00 13:46:28.78 +45:20:15.5 HIP 67382 24.62
2026-02-04 00:00 13:46:26.32 +45:21:15.4 HIP 67382 25.43
2026-02-04 12:00 13:46:23.80 +45:22:15.3 HIP 67382 26.27
2026-02-05 00:00 13:46:21.22 +45:23:15.2 HIP 67382 27.14
2026-02-05 12:00 13:46:18.57 +45:24:15.0 HIP 67382 28.03
2026-02-06 00:00 13:46:15.87 +45:25:14.8 HIP 67382 28.94
2026-02-06 12:00 13:46:13.11 +45:26:14.6 HIP 66958 29.74
2026-02-07 00:00 13:46:10.28 +45:27:14.3 HIP 66958 29.09
2026-02-07 12:00 13:46:07.40 +45:28:13.9 HIP 66958 28.46
2026-02-08 00:00 13:46:04.45 +45:29:13.5 HIP 66958 27.86
2026-02-08 12:00 13:46:01.44 +45:30:13.0 HIP 66958 27.27
2026-02-09 00:00 13:45:58.38 +45:31:12.5 HIP 66958 26.71
2026-02-09 12:00 13:45:55.25 +45:32:11.8 HIP 66958 26.18
2026-02-10 00:00 13:45:52.06 +45:33:11.1 HIP 66958 25.68
2026-02-10 12:00 13:45:48.81 +45:34:10.3 HIP 66958 25.20
2026-02-11 00:00 13:45:45.51 +45:35:09.4 HIP 66958 24.76
2026-02-11 12:00 13:45:42.14 +45:36:08.4 HIP 66958 24.36
2026-02-12 00:00 13:45:38.71 +45:37:07.2 HIP 66958 23.99
2026-02-12 12:00 13:45:35.23 +45:38:06.0 HIP 66958 23.66
2026-02-13 00:00 13:45:31.68 +45:39:04.6 HIP 66958 23.37
2026-02-13 12:00 13:45:28.08 +45:40:03.1 HIP 66958 23.13
2026-02-14 00:00 13:45:24.41 +45:41:01.5 HIP 66958 22.94
2026-02-14 12:00 13:45:20.69 +45:41:59.8 HIP 66958 22.79
2026-02-15 00:00 13:45:16.91 +45:42:57.9 HIP 66958 22.70
2026-02-15 12:00 13:45:13.08 +45:43:55.8 HIP 66958 22.65
2026-02-16 00:00 13:45:09.18 +45:44:53.6 HIP 66958 22.66
2026-02-16 12:00 13:45:05.23 +45:45:51.2 HIP 66958 22.71
2026-02-17 00:00 13:45:01.22 +45:46:48.7 HIP 66958 22.82
2026-02-17 12:00 13:44:57.15 +45:47:45.9 HIP 66958 22.99
2026-02-18 00:00 13:44:53.02 +45:48:43.0 HIP 66958 23.20
2026-02-18 12:00 13:44:48.84 +45:49:39.9 HIP 66958 23.46
2026-02-19 00:00 13:44:44.61 +45:50:36.6 HIP 66958 23.78
2026-02-19 12:00 13:44:40.31 +45:51:33.2 HIP 66958 24.14
2026-02-20 00:00 13:44:35.96 +45:52:29.5 HIP 66958 24.55
2026-02-20 12:00 13:44:31.56 +45:53:25.6 HIP 66958 25.00
2026-02-21 00:00 13:44:27.10 +45:54:21.4 HIP 66958 25.49
2026-02-21 12:00 13:44:22.59 +45:55:17.1 HIP 66958 26.03
2026-02-22 00:00 13:44:18.02 +45:56:12.5 HIP 66958 26.60
2026-02-22 12:00 13:44:13.40 +45:57:07.7 HIP 66958 27.21
2026-02-23 00:00 13:44:08.73 +45:58:02.6 HIP 66958 27.85
2026-02-23 12:00 13:44:04.00 +45:58:57.3 HIP 66829 27.58
2026-02-24 00:00 13:43:59.22 +45:59:51.8 HIP 66829 26.40