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C/1952 M1 (Peltier)

메타데이터

항목
Designation C/1952 M1 (Peltier)
Type C
Perihelion (tp_cal, UTC) 1952-07-15T06:06:23.693760Z
Orbit solution date (soln_date, UTC) 2021-04-15T23:29:10Z
Obs used 30
NEO -
M1 9.100
K1 23.000
PC -
Osculating 궤도요소
항목
Epoch (epoch_cal, TDB) 1952-08-08.0000000
e 0.99975208
q (au) 1.201937
a (au) 4848.007632
i (deg) 45.552738
Ω (om, deg) 188.643743
ω (w, deg) 96.584082
M (ma, deg) 0.000069

밝기

C/1952 M1 (Peltier) · Magnitude (Full range)

산란 + 전체 선형

$$ M_a = (8.443 + 6.000\cdot 2.5\log_{10} r) + \epsilon - 2.5\log_{10}\Phi(\theta) + 5\log_{10}\Delta $$ $$ \theta = 180^\circ - \alpha $$ $$ \Phi(\theta) = \frac{\delta_{90} D(\theta) + 1}{\delta_{90} + 1},\quad D(\theta) = k\cdot \Phi_{HG}(\theta; g_f) + (1-k)\cdot \Phi_{HG}(\theta; g_b) $$ $$ \Phi_{HG}(\theta; g) = \left(\frac{1+g^2}{1+g^2-2g\cos\theta}\right)^{3/2},\quad \Phi_{HG}(90^\circ)=1 $$

모델 상수

항목
H0 8.443
n 6.000
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
1952-07-15 1952-11-20 +11.5410 -1.417

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 05:58:12.07 -22:01:07.0 HIP 28132 25.88
2026-02-03 12:00 05:58:11.13 -22:00:57.8 HIP 28132 25.82
2026-02-04 00:00 05:58:10.20 -22:00:48.5 HIP 28132 25.76
2026-02-04 12:00 05:58:09.27 -22:00:39.2 HIP 28132 25.70
2026-02-05 00:00 05:58:08.35 -22:00:29.8 HIP 28132 25.65
2026-02-05 12:00 05:58:07.45 -22:00:20.3 HIP 28132 25.61
2026-02-06 00:00 05:58:06.55 -22:00:10.7 HIP 28132 25.57
2026-02-06 12:00 05:58:05.66 -22:00:01.1 HIP 28132 25.53
2026-02-07 00:00 05:58:04.77 -21:59:51.3 HIP 28132 25.50
2026-02-07 12:00 05:58:03.90 -21:59:41.5 HIP 28132 25.48
2026-02-08 00:00 05:58:03.04 -21:59:31.6 HIP 28132 25.45
2026-02-08 12:00 05:58:02.18 -21:59:21.7 HIP 28132 25.44
2026-02-09 00:00 05:58:01.33 -21:59:11.7 HIP 28132 25.43
2026-02-09 12:00 05:58:00.50 -21:59:01.5 HIP 28132 25.42
2026-02-10 00:00 05:57:59.67 -21:58:51.4 HIP 28132 25.42
2026-02-10 12:00 05:57:58.85 -21:58:41.1 HIP 28132 25.43
2026-02-11 00:00 05:57:58.04 -21:58:30.8 HIP 28132 25.43
2026-02-11 12:00 05:57:57.24 -21:58:20.4 HIP 28132 25.45
2026-02-12 00:00 05:57:56.45 -21:58:09.9 HIP 28132 25.47
2026-02-12 12:00 05:57:55.67 -21:57:59.4 HIP 28132 25.49
2026-02-13 00:00 05:57:54.89 -21:57:48.8 HIP 28132 25.52
2026-02-13 12:00 05:57:54.13 -21:57:38.2 HIP 28132 25.55
2026-02-14 00:00 05:57:53.38 -21:57:27.4 HIP 28132 25.59
2026-02-14 12:00 05:57:52.64 -21:57:16.6 HIP 28132 25.63
2026-02-15 00:00 05:57:51.90 -21:57:05.8 HIP 28132 25.68
2026-02-15 12:00 05:57:51.18 -21:56:54.8 HIP 28132 25.73
2026-02-16 00:00 05:57:50.47 -21:56:43.9 HIP 28132 25.78
2026-02-16 12:00 05:57:49.76 -21:56:32.8 HIP 28132 25.84
2026-02-17 00:00 05:57:49.07 -21:56:21.7 HIP 28132 25.91
2026-02-17 12:00 05:57:48.39 -21:56:10.5 HIP 28284 25.94
2026-02-18 00:00 05:57:47.71 -21:55:59.3 HIP 28284 25.84
2026-02-18 12:00 05:57:47.05 -21:55:48.0 HIP 28284 25.74
2026-02-19 00:00 05:57:46.40 -21:55:36.7 HIP 28284 25.63
2026-02-19 12:00 05:57:45.75 -21:55:25.3 HIP 28284 25.53
2026-02-20 00:00 05:57:45.12 -21:55:13.8 HIP 28284 25.43
2026-02-20 12:00 05:57:44.50 -21:55:02.3 HIP 28284 25.32
2026-02-21 00:00 05:57:43.89 -21:54:50.8 HIP 28284 25.22
2026-02-21 12:00 05:57:43.29 -21:54:39.2 HIP 28284 25.12
2026-02-22 00:00 05:57:42.70 -21:54:27.5 HIP 28284 25.01
2026-02-22 12:00 05:57:42.12 -21:54:15.8 HIP 28284 24.91
2026-02-23 00:00 05:57:41.55 -21:54:04.0 HIP 28284 24.81
2026-02-23 12:00 05:57:40.99 -21:53:52.2 HIP 28284 24.70
2026-02-24 00:00 05:57:40.44 -21:53:40.4 HIP 28284 24.60