Grazing Occultation of 486 DB5 Magnitude 5.3e
486 = Tau Arietis
Date 2005 Juli 2 (Samstag) Nominal site altitude 0m
E. Longit. Latitude U.T. Sun Moon TanZ PA WA CA
o ' " o ' " h m s Alt Alt Az o o o
6 0 0 52 53 35 8 12 4 41 58 178 0.62 333.9 347.57 13.60N
6 3 0 52 54 38 8 12 8 41 58 179 0.62 333.9 347.58 13.59N
6 6 0 52 55 42 8 12 13 41 58 179 0.62 334.0 347.60 13.57N
6 9 0 52 56 45 8 12 18 41 58 179 0.62 334.0 347.61 13.56N
6 12 0 52 57 49 8 12 22 41 58 179 0.62 334.0 347.62 13.55N
6 15 0 52 58 52 8 12 27 41 58 179 0.62 334.0 347.63 13.54N
6 18 0 52 59 55 8 12 31 41 58 179 0.62 334.0 347.65 13.52N
6 21 0 53 0 58 8 12 36 41 58 179 0.62 334.0 347.66 13.51N
6 24 0 53 2 0 8 12 40 41 58 179 0.62 334.0 347.67 13.50N
6 27 0 53 3 3 8 12 45 41 58 180 0.62 334.0 347.68 13.49N
6 30 0 53 4 5 8 12 50 41 58 180 0.62 334.1 347.70 13.47N
6 33 0 53 5 8 8 12 54 41 58 180 0.62 334.1 347.71 13.46N
6 36 0 53 6 10 8 12 59 41 58 180 0.62 334.1 347.72 13.45N
6 39 0 53 7 12 8 13 3 41 58 180 0.62 334.1 347.73 13.44N
6 42 0 53 8 14 8 13 8 41 58 180 0.62 334.1 347.74 13.43N
6 45 0 53 9 16 8 13 12 41 58 180 0.62 334.1 347.76 13.41N
6 48 0 53 10 17 8 13 17 41 58 180 0.63 334.1 347.77 13.40N
6 51 0 53 11 19 8 13 21 41 58 180 0.63 334.1 347.78 13.39N
6 54 0 53 12 20 8 13 26 41 58 181 0.63 334.2 347.79 13.38N
6 57 0 53 13 21 8 13 30 41 58 181 0.63 334.2 347.81 13.36N
7 0 0 53 14 23 8 13 35 41 58 181 0.63 334.2 347.82 13.35N
7 3 0 53 15 23 8 13 39 41 58 181 0.63 334.2 347.83 13.34N
7 6 0 53 16 24 8 13 44 42 58 181 0.63 334.2 347.84 13.33N
7 9 0 53 17 25 8 13 48 42 58 181 0.63 334.2 347.86 13.32N
7 12 0 53 18 26 8 13 53 42 58 181 0.63 334.2 347.87 13.30N
7 15 0 53 19 26 8 13 57 42 58 181 0.63 334.2 347.88 13.29N
7 18 0 53 20 26 8 14 2 42 58 182 0.63 334.3 347.89 13.28N
7 21 0 53 21 26 8 14 6 42 58 182 0.63 334.3 347.90 13.27N
7 24 0 53 22 26 8 14 11 42 58 182 0.63 334.3 347.92 13.25N
7 27 0 53 23 26 8 14 15 42 58 182 0.63 334.3 347.93 13.24N
7 30 0 53 24 26 8 14 19 42 58 182 0.63 334.3 347.94 13.23N
7 33 0 53 25 26 8 14 24 42 58 182 0.63 334.3 347.95 13.22N
7 36 0 53 26 25 8 14 28 42 58 182 0.63 334.3 347.96 13.21N
7 39 0 53 27 25 8 14 33 42 58 182 0.63 334.3 347.98 13.19N
7 42 0 53 28 24 8 14 37 42 58 183 0.63 334.3 347.99 13.18N
7 45 0 53 29 23 8 14 42 42 58 183 0.63 334.4 348.00 13.17N
7 48 0 53 30 22 8 14 46 42 58 183 0.63 334.4 348.01 13.16N
7 51 0 53 31 21 8 14 50 42 58 183 0.63 334.4 348.03 13.14N
7 54 0 53 32 19 8 14 55 42 58 183 0.63 334.4 348.04 13.13N
7 57 0 53 33 18 8 14 59 42 58 183 0.64 334.4 348.05 13.12N
8 0 0 53 34 16 8 15 4 42 58 183 0.64 334.4 348.06 13.11N
8 3 0 53 35 15 8 15 8 42 58 183 0.64 334.4 348.07 13.10N
8 6 0 53 36 13 8 15 12 42 58 183 0.64 334.4 348.09 13.08N
8 9 0 53 37 11 8 15 17 42 57 184 0.64 334.5 348.10 13.07N
8 12 0 53 38 9 8 15 21 42 57 184 0.64 334.5 348.11 13.06N
8 15 0 53 39 7 8 15 25 42 57 184 0.64 334.5 348.12 13.05N
8 18 0 53 40 4 8 15 30 42 57 184 0.64 334.5 348.14 13.04N
8 21 0 53 41 2 8 15 34 42 57 184 0.64 334.5 348.15 13.02N
8 24 0 53 41 59 8 15 38 42 57 184 0.64 334.5 348.16 13.01N
8 27 0 53 42 57 8 15 43 42 57 184 0.64 334.5 348.17 13.00N
8 30 0 53 43 54 8 15 47 42 57 184 0.64 334.5 348.18 12.99N
8 33 0 53 44 51 8 15 51 42 57 185 0.64 334.6 348.20 12.97N
8 36 0 53 45 48 8 15 56 43 57 185 0.64 334.6 348.21 12.96N
8 39 0 53 46 44 8 16 0 43 57 185 0.64 334.6 348.22 12.95N
8 42 0 53 47 41 8 16 4 43 57 185 0.64 334.6 348.23 12.94N
8 45 0 53 48 37 8 16 9 43 57 185 0.64 334.6 348.24 12.93N
8 48 0 53 49 34 8 16 13 43 57 185 0.64 334.6 348.26 12.91N
8 51 0 53 50 30 8 16 17 43 57 185 0.64 334.6 348.27 12.90N
8 54 0 53 51 26 8 16 22 43 57 185 0.64 334.6 348.28 12.89N
8 57 0 53 52 22 8 16 26 43 57 185 0.64 334.7 348.29 12.88N
9 0 0 53 53 18 8 16 30 43 57 186 0.65 334.7 348.30 12.87N
9 3 0 53 54 14 8 16 35 43 57 186 0.65 334.7 348.32 12.85N
9 6 0 53 55 9 8 16 39 43 57 186 0.65 334.7 348.33 12.84N
9 9 0 53 56 5 8 16 43 43 57 186 0.65 334.7 348.34 12.83N
9 12 0 53 57 0 8 16 47 43 57 186 0.65 334.7 348.35 12.82N
9 15 0 53 57 55 8 16 52 43 57 186 0.65 334.7 348.36 12.81N
9 18 0 53 58 50 8 16 56 43 57 186 0.65 334.7 348.38 12.79N
9 21 0 53 59 45 8 17 0 43 57 186 0.65 334.7 348.39 12.78N
9 24 0 54 0 40 8 17 4 43 57 187 0.65 334.8 348.40 12.77N
9 27 0 54 1 35 8 17 9 43 57 187 0.65 334.8 348.41 12.76N
9 30 0 54 2 30 8 17 13 43 57 187 0.65 334.8 348.42 12.75N
9 33 0 54 3 24 8 17 17 43 57 187 0.65 334.8 348.44 12.73N
9 36 0 54 4 18 8 17 21 43 57 187 0.65 334.8 348.45 12.72N
9 39 0 54 5 13 8 17 26 43 57 187 0.65 334.8 348.46 12.71N
9 42 0 54 6 7 8 17 30 43 57 187 0.65 334.8 348.47 12.70N
9 45 0 54 7 1 8 17 34 43 57 187 0.65 334.8 348.48 12.69N
9 48 0 54 7 55 8 17 38 43 57 187 0.65 334.9 348.50 12.67N
9 51 0 54 8 48 8 17 42 43 57 188 0.65 334.9 348.51 12.66N
9 54 0 54 9 42 8 17 47 43 57 188 0.65 334.9 348.52 12.65N
9 57 0 54 10 35 8 17 51 43 57 188 0.65 334.9 348.53 12.64N
10 0 0 54 11 29 8 17 55 43 57 188 0.65 334.9 348.54 12.63N
10 3 0 54 12 22 8 17 59 43 57 188 0.66 334.9 348.56 12.61N
10 6 0 54 13 15 8 18 3 43 57 188 0.66 334.9 348.57 12.60N
10 9 0 54 14 8 8 18 8 43 57 188 0.66 334.9 348.58 12.59N
10 12 0 54 15 1 8 18 12 44 57 188 0.66 334.9 348.59 12.58N
10 15 0 54 15 54 8 18 16 44 57 188 0.66 335.0 348.60 12.57N
10 18 0 54 16 46 8 18 20 44 57 189 0.66 335.0 348.61 12.55N
10 21 0 54 17 39 8 18 24 44 57 189 0.66 335.0 348.63 12.54N
10 24 0 54 18 31 8 18 28 44 57 189 0.66 335.0 348.64 12.53N
10 27 0 54 19 23 8 18 33 44 57 189 0.66 335.0 348.65 12.52N
10 30 0 54 20 15 8 18 37 44 57 189 0.66 335.0 348.66 12.51N
10 33 0 54 21 7 8 18 41 44 57 189 0.66 335.0 348.67 12.50N
10 36 0 54 21 59 8 18 45 44 57 189 0.66 335.0 348.69 12.48N
10 39 0 54 22 51 8 18 49 44 57 189 0.66 335.1 348.70 12.47N
10 42 0 54 23 43 8 18 53 44 56 189 0.66 335.1 348.71 12.46N
10 45 0 54 24 34 8 18 57 44 56 190 0.66 335.1 348.72 12.45N
10 48 0 54 25 26 8 19 1 44 56 190 0.66 335.1 348.73 12.44N
10 51 0 54 26 17 8 19 6 44 56 190 0.66 335.1 348.75 12.42N
10 54 0 54 27 8 8 19 10 44 56 190 0.66 335.1 348.76 12.41N
10 57 0 54 27 59 8 19 14 44 56 190 0.66 335.1 348.77 12.40N
11 0 0 54 28 50 8 19 18 44 56 190 0.67 335.1 348.78 12.39N
11 3 0 54 29 41 8 19 22 44 56 190 0.67 335.2 348.79 12.38N
11 6 0 54 30 32 8 19 26 44 56 190 0.67 335.2 348.80 12.37N
11 9 0 54 31 22 8 19 30 44 56 190 0.67 335.2 348.82 12.35N
11 12 0 54 32 13 8 19 34 44 56 191 0.67 335.2 348.83 12.34N
11 15 0 54 33 3 8 19 38 44 56 191 0.67 335.2 348.84 12.33N
11 18 0 54 33 53 8 19 42 44 56 191 0.67 335.2 348.85 12.32N
11 21 0 54 34 43 8 19 46 44 56 191 0.67 335.2 348.86 12.31N
11 24 0 54 35 33 8 19 51 44 56 191 0.67 335.2 348.87 12.29N
11 27 0 54 36 23 8 19 55 44 56 191 0.67 335.2 348.89 12.28N
11 30 0 54 37 13 8 19 59 44 56 191 0.67 335.3 348.90 12.27N
11 33 0 54 38 2 8 20 3 44 56 191 0.67 335.3 348.91 12.26N
11 36 0 54 38 52 8 20 7 44 56 191 0.67 335.3 348.92 12.25N
11 39 0 54 39 41 8 20 11 44 56 191 0.67 335.3 348.93 12.24N
11 42 0 54 40 31 8 20 15 44 56 192 0.67 335.3 348.95 12.22N
11 45 0 54 41 20 8 20 19 44 56 192 0.67 335.3 348.96 12.21N
11 48 0 54 42 9 8 20 23 44 56 192 0.67 335.3 348.97 12.20N
11 51 0 54 42 58 8 20 27 44 56 192 0.67 335.3 348.98 12.19N
11 54 0 54 43 46 8 20 31 45 56 192 0.67 335.4 348.99 12.18N
11 57 0 54 44 35 8 20 35 45 56 192 0.68 335.4 349.00 12.17N
12 0 0 54 45 24 8 20 39 45 56 192 0.68 335.4 349.02 12.15N
12 3 0 54 46 12 8 20 43 45 56 192 0.68 335.4 349.03 12.14N
12 6 0 54 47 0 8 20 47 45 56 192 0.68 335.4 349.04 12.13N
12 9 0 54 47 49 8 20 51 45 56 193 0.68 335.4 349.05 12.12N
12 12 0 54 48 37 8 20 55 45 56 193 0.68 335.4 349.06 12.11N
12 15 0 54 49 25 8 20 59 45 56 193 0.68 335.4 349.07 12.10N
12 18 0 54 50 13 8 21 3 45 56 193 0.68 335.4 349.09 12.08N
12 21 0 54 51 0 8 21 7 45 56 193 0.68 335.5 349.10 12.07N
12 24 0 54 51 48 8 21 11 45 56 193 0.68 335.5 349.11 12.06N
12 27 0 54 52 36 8 21 15 45 56 193 0.68 335.5 349.12 12.05N
12 30 0 54 53 23 8 21 19 45 56 193 0.68 335.5 349.13 12.04N
12 33 0 54 54 10 8 21 23 45 56 193 0.68 335.5 349.14 12.03N
12 36 0 54 54 57 8 21 27 45 56 194 0.68 335.5 349.16 12.01N
12 39 0 54 55 45 8 21 31 45 56 194 0.68 335.5 349.17 12.00N
12 42 0 54 56 31 8 21 35 45 56 194 0.68 335.5 349.18 11.99N
12 45 0 54 57 18 8 21 39 45 56 194 0.68 335.5 349.19 11.98N
12 48 0 54 58 5 8 21 42 45 56 194 0.68 335.6 349.20 11.97N
12 51 0 54 58 52 8 21 46 45 56 194 0.69 335.6 349.21 11.96N
12 54 0 54 59 38 8 21 50 45 56 194 0.69 335.6 349.22 11.94N
12 57 0 55 0 25 8 21 54 45 56 194 0.69 335.6 349.24 11.93N
13 0 0 55 1 11 8 21 58 45 56 194 0.69 335.6 349.25 11.92N
13 3 0 55 1 57 8 22 2 45 56 194 0.69 335.6 349.26 11.91N
13 6 0 55 2 43 8 22 6 45 55 195 0.69 335.6 349.27 11.90N
13 9 0 55 3 29 8 22 10 45 55 195 0.69 335.6 349.28 11.89N
13 12 0 55 4 15 8 22 14 45 55 195 0.69 335.7 349.29 11.87N
13 15 0 55 5 1 8 22 18 45 55 195 0.69 335.7 349.31 11.86N
13 18 0 55 5 46 8 22 22 45 55 195 0.69 335.7 349.32 11.85N
13 21 0 55 6 32 8 22 26 45 55 195 0.69 335.7 349.33 11.84N
13 24 0 55 7 17 8 22 29 45 55 195 0.69 335.7 349.34 11.83N
13 27 0 55 8 2 8 22 33 45 55 195 0.69 335.7 349.35 11.82N
13 30 0 55 8 47 8 22 37 45 55 195 0.69 335.7 349.36 11.81N
13 33 0 55 9 33 8 22 41 45 55 195 0.69 335.7 349.37 11.79N
13 36 0 55 10 17 8 22 45 45 55 196 0.69 335.7 349.39 11.78N
13 39 0 55 11 2 8 22 49 45 55 196 0.69 335.8 349.40 11.77N
13 42 0 55 11 47 8 22 53 46 55 196 0.69 335.8 349.41 11.76N
13 45 0 55 12 32 8 22 57 46 55 196 0.70 335.8 349.42 11.75N
13 48 0 55 13 16 8 23 0 46 55 196 0.70 335.8 349.43 11.74N
13 51 0 55 14 1 8 23 4 46 55 196 0.70 335.8 349.44 11.73N
13 54 0 55 14 45 8 23 8 46 55 196 0.70 335.8 349.45 11.71N
13 57 0 55 15 29 8 23 12 46 55 196 0.70 335.8 349.47 11.70N
14 0 0 55 16 13 8 23 16 46 55 196 0.70 335.8 349.48 11.69N
14 3 0 55 16 57 8 23 20 46 55 197 0.70 335.8 349.49 11.68N
14 6 0 55 17 41 8 23 23 46 55 197 0.70 335.9 349.50 11.67N
14 9 0 55 18 25 8 23 27 46 55 197 0.70 335.9 349.51 11.66N
14 12 0 55 19 8 8 23 31 46 55 197 0.70 335.9 349.52 11.65N
14 15 0 55 19 52 8 23 35 46 55 197 0.70 335.9 349.53 11.63N
14 18 0 55 20 35 8 23 39 46 55 197 0.70 335.9 349.55 11.62N
14 21 0 55 21 18 8 23 43 46 55 197 0.70 335.9 349.56 11.61N
14 24 0 55 22 2 8 23 46 46 55 197 0.70 335.9 349.57 11.60N
14 27 0 55 22 45 8 23 50 46 55 197 0.70 335.9 349.58 11.59N
14 30 0 55 23 28 8 23 54 46 55 197 0.70 335.9 349.59 11.58N
14 33 0 55 24 10 8 23 58 46 55 198 0.70 336.0 349.60 11.57N
14 36 0 55 24 53 8 24 2 46 55 198 0.71 336.0 349.61 11.55N
14 39 0 55 25 36 8 24 5 46 55 198 0.71 336.0 349.63 11.54N
14 42 0 55 26 18 8 24 9 46 55 198 0.71 336.0 349.64 11.53N
14 45 0 55 27 1 8 24 13 46 55 198 0.71 336.0 349.65 11.52N
14 48 0 55 27 43 8 24 17 46 55 198 0.71 336.0 349.66 11.51N
14 51 0 55 28 25 8 24 20 46 55 198 0.71 336.0 349.67 11.50N
14 54 0 55 29 7 8 24 24 46 55 198 0.71 336.0 349.68 11.49N
14 57 0 55 29 50 8 24 28 46 55 198 0.71 336.1 349.69 11.47N
Path coordinates are referred to WGS84 (as used by GPS).
486 is double : 5.4 8.1 1.00" 228.0
Graze Path of component #2 0.65km North, and 2.4 secs. earlier cf. primary.
486 = tau 1 Ari, 5.26 to 5.32 Hp, Type EB:
Librations Long +5.71 Lat -3.24
P +349.4 D +2.4
Illumination of moon 16%-
Elongation of Moon 47
Vertical Profile Scale 2.15 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.48 deg/min
Limiting Magnitudes for various telescope apertures (in mm)
CA\Tdia 50 100 150 200 250 300 350
7.5 2.9 4.4 5.1 5.6 5.9 6.1 6.3
9.5 2.9 4.4 5.1 5.6 5.9 6.1 6.3
11.5 2.9 4.4 5.1 5.6 5.9 6.1 6.3
13.5 2.9 4.4 5.1 5.6 5.9 6.1 6.3
15.5 2.9 4.4 5.1 5.6 5.9 6.1 6.3
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