Grazing Occultation of 138451cG3 Magnitude 8.2 [Red = 7.5] V Date: 2010 Nov 30 12h 1m, to 2010 Nov 30 12h 36m Nominal site altitude 250m E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA o ' " o ' " h m s Alt Alt Az o o o -125 0 0 56 27 18 12 1 6 14 124 3.99 208.8 185.28 7.60S -124 45 0 56 23 23 12 1 12 14 125 3.94 208.8 185.31 7.63S -124 30 0 56 19 27 12 1 19 14 125 3.89 208.8 185.35 7.67S -124 15 0 56 15 28 12 1 25 15 125 3.85 208.9 185.38 7.70S -124 0 0 56 11 27 12 1 32 15 125 3.80 208.9 185.42 7.74S -123 45 0 56 7 25 12 1 39 15 126 3.76 208.9 185.46 7.78S -123 30 0 56 3 20 12 1 46 15 126 3.71 209.0 185.49 7.81S -123 15 0 55 59 14 12 1 53 15 126 3.67 209.0 185.53 7.85S -123 0 0 55 55 6 12 2 0 15 126 3.63 209.0 185.56 7.88S -122 45 0 55 50 56 12 2 7 16 126 3.59 209.1 185.60 7.92S -122 30 0 55 46 44 12 2 14 16 127 3.55 209.1 185.64 7.96S -122 15 0 55 42 30 12 2 22 16 127 3.51 209.1 185.67 7.99S -122 0 0 55 38 14 12 2 29 16 127 3.47 209.2 185.71 8.03S -121 45 0 55 33 56 12 2 37 16 127 3.43 209.2 185.75 8.07S -121 30 0 55 29 36 12 2 44 16 128 3.39 209.3 185.78 8.11S -121 15 0 55 25 14 12 2 52 17 128 3.36 209.3 185.82 8.14S -121 0 0 55 20 50 12 3 0 17 128 3.32 209.3 185.86 8.18S -120 45 0 55 16 23 12 3 8 17 128 3.28 209.4 185.90 8.22S -120 30 0 55 11 55 12 3 16 17 129 3.25 209.4 185.94 8.26S -120 15 0 55 7 25 12 3 24 17 129 3.21 209.4 185.97 8.29S -120 0 0 55 2 53 12 3 32 17 129 3.18 209.5 186.01 8.33S -119 45 0 54 58 19 12 3 41 18 129 3.15 209.5 186.05 8.37S -119 30 0 54 53 42 12 3 49 18 130 3.11 209.6 186.09 8.41S -119 15 0 54 49 4 12 3 58 18 130 3.08 209.6 186.13 8.45S -119 0 0 54 44 23 12 4 6 18 130 3.05 209.6 186.17 8.49S -118 45 0 54 39 40 12 4 15 18 130 3.02 209.7 186.20 8.52S -118 30 0 54 34 55 12 4 24 19 131 2.98 209.7 186.24 8.56S -118 15 0 54 30 8 12 4 33 19 131 2.95 209.8 186.28 8.60S -118 0 0 54 25 19 12 4 42 19 131 2.92 209.8 186.32 8.64S -117 45 0 54 20 27 12 4 51 19 131 2.89 209.8 186.36 8.68S -117 30 0 54 15 33 12 5 1 19 132 2.86 209.9 186.40 8.72S -117 15 0 54 10 37 12 5 10 19 132 2.84 209.9 186.44 8.76S -117 0 0 54 5 39 12 5 20 20 132 2.81 210.0 186.48 8.80S -116 45 0 54 0 39 12 5 29 20 132 2.78 210.0 186.52 8.84S -116 30 0 53 55 36 12 5 39 20 133 2.75 210.0 186.56 8.88S -116 15 0 53 50 31 12 5 49 20 133 2.72 210.1 186.60 8.92S -116 0 0 53 45 24 12 5 59 20 133 2.70 210.1 186.64 8.96S -115 45 0 53 40 14 12 6 9 21 133 2.67 210.2 186.68 9.00S -115 30 0 53 35 2 12 6 19 21 134 2.64 210.2 186.72 9.05S -115 15 0 53 29 48 12 6 30 21 134 2.62 210.2 186.77 9.09S -115 0 0 53 24 31 12 6 40 21 134 2.59 210.3 186.81 9.13S -114 45 0 53 19 12 12 6 51 21 134 2.57 210.3 186.85 9.17S -114 30 0 53 13 51 12 7 2 21 135 2.54 210.4 186.89 9.21S -114 15 0 53 8 27 12 7 13 22 135 2.52 210.4 186.93 9.25S -114 0 0 53 3 0 12 7 24 22 135 2.49 210.4 186.97 9.30S -113 45 0 52 57 32 12 7 35 22 136 2.47 210.5 187.02 9.34S -113 30 0 52 52 1 12 7 46 22 136 2.45 210.5 187.06 9.38S -113 15 0 52 46 27 12 7 58 22 136 2.42 210.6 187.10 9.42S -113 0 0 52 40 51 12 8 9 23 136 2.40 210.6 187.14 9.46S -112 45 0 52 35 12 12 8 21 23 137 2.38 210.7 187.19 9.51S -112 30 0 52 29 31 12 8 33 23 137 2.36 210.7 187.23 9.55S -112 15 0 52 23 47 12 8 45 23 137 2.33 210.7 187.27 9.59S -112 0 0 52 18 1 12 8 57 23 137 2.31 210.8 187.32 9.64S -111 45 0 52 12 12 12 9 10 24 138 2.29 210.8 187.36 9.68S -111 30 0 52 6 21 12 9 22 24 138 2.27 210.9 187.40 9.72S -111 15 0 52 0 27 12 9 35 24 138 2.25 210.9 187.45 9.77S -111 0 0 51 54 30 12 9 47 24 138 2.23 211.0 187.49 9.81S -110 45 0 51 48 31 12 10 0 24 139 2.21 211.0 187.53 9.86S -110 30 0 51 42 29 12 10 13 25 139 2.19 211.1 187.58 9.90S -110 15 0 51 36 24 12 10 27 25 139 2.17 211.1 187.62 9.94S -110 0 0 51 30 17 12 10 40 25 140 2.15 211.1 187.67 9.99S -109 45 0 51 24 6 12 10 53 25 140 2.13 211.2 187.71 10.03S -109 30 0 51 17 54 12 11 7 25 140 2.11 211.2 187.76 10.08S -109 15 0 51 11 38 12 11 21 26 140 2.09 211.3 187.80 10.12S -109 0 0 51 5 20 12 11 35 26 141 2.07 211.3 187.85 10.17S -108 45 0 50 58 59 12 11 49 26 141 2.05 211.4 187.89 10.21S -108 30 0 50 52 35 12 12 4 26 141 2.03 211.4 187.94 10.26S -108 15 0 50 46 8 12 12 18 26 142 2.01 211.5 187.98 10.30S -108 0 0 50 39 38 12 12 33 27 142 1.99 211.5 188.03 10.35S -107 45 0 50 33 6 12 12 48 27 142 1.98 211.5 188.08 10.40S -107 30 0 50 26 31 12 13 3 27 142 1.96 211.6 188.12 10.44S -107 15 0 50 19 52 12 13 18 27 143 1.94 211.6 188.17 10.49S -107 0 0 50 13 11 12 13 33 27 143 1.92 211.7 188.21 10.54S -106 45 0 50 6 27 12 13 49 28 143 1.91 211.7 188.26 10.58S -106 30 0 49 59 40 12 14 4 28 144 1.89 211.8 188.31 10.63S -106 15 0 49 52 50 12 14 20 28 144 1.87 211.8 188.35 10.68S -106 0 0 49 45 57 12 14 37 28 144 1.86 211.9 188.40 10.72S -105 45 0 49 39 1 12 14 53 29 144 1.84 211.9 188.45 10.77S -105 30 0 49 32 2 12 15 9 29 145 1.82 212.0 188.49 10.82S -105 15 0 49 25 0 12 15 26 29 145 1.81 212.0 188.54 10.86S -105 0 0 49 17 55 12 15 43 29 145 1.79 212.1 188.59 10.91S -104 45 0 49 10 47 12 16 0 29 146 1.77 212.1 188.64 10.96S -104 30 0 49 3 35 12 16 17 30 146 1.76 212.2 188.68 11.01S -104 15 0 48 56 21 12 16 35 30 146 1.74 212.2 188.73 11.05S -104 0 0 48 49 3 12 16 52 30 147 1.73 212.3 188.78 11.10S -103 45 0 48 41 43 12 17 10 30 147 1.71 212.3 188.83 11.15S -103 30 0 48 34 19 12 17 28 30 147 1.70 212.4 188.88 11.20S -103 15 0 48 26 52 12 17 46 31 147 1.68 212.4 188.92 11.25S -103 0 0 48 19 21 12 18 5 31 148 1.67 212.4 188.97 11.29S -102 45 0 48 11 48 12 18 24 31 148 1.65 212.5 189.02 11.34S -102 30 0 48 4 11 12 18 43 31 148 1.64 212.5 189.07 11.39S -102 15 0 47 56 31 12 19 2 32 149 1.62 212.6 189.12 11.44S -102 0 0 47 48 47 12 19 21 32 149 1.61 212.6 189.17 11.49S -101 45 0 47 41 1 12 19 41 32 149 1.60 212.7 189.21 11.54S -101 30 0 47 33 11 12 20 0 32 150 1.58 212.7 189.26 11.59S -101 15 0 47 25 18 12 20 20 33 150 1.57 212.8 189.31 11.63S -101 0 0 47 17 21 12 20 41 33 150 1.55 212.8 189.36 11.68S -100 45 0 47 9 21 12 21 1 33 151 1.54 212.9 189.41 11.73S -100 30 0 47 1 17 12 21 22 33 151 1.53 212.9 189.46 11.78S -100 15 0 46 53 10 12 21 43 33 151 1.51 213.0 189.51 11.83S -100 0 0 46 45 0 12 22 4 34 152 1.50 213.0 189.56 11.88S - 99 45 0 46 36 46 12 22 25 34 152 1.49 213.1 189.61 11.93S - 99 30 0 46 28 29 12 22 47 34 152 1.48 213.1 189.66 11.98S - 99 15 0 46 20 9 12 23 9 34 153 1.46 213.2 189.70 12.03S - 99 0 0 46 11 44 12 23 31 35 153 1.45 213.2 189.75 12.08S - 98 45 0 46 3 17 12 23 53 35 153 1.44 213.3 189.80 12.12S - 98 30 0 45 54 46 12 24 16 35 154 1.42 213.3 189.85 12.17S - 98 15 0 45 46 11 12 24 39 35 154 1.41 213.4 189.90 12.22S - 98 0 0 45 37 33 12 25 2 36 155 1.40 213.4 189.95 12.27S - 97 45 0 45 28 51 12 25 25 36 155 1.39 213.5 190.00 12.32S - 97 30 0 45 20 5 12 25 49 36 155 1.38 213.5 190.05 12.37S - 97 15 0 45 11 16 12 26 13 36 156 1.36 213.6 190.10 12.42S - 97 0 0 45 2 24 12 26 37 36 156 1.35 213.6 190.15 12.47S - 96 45 0 44 53 28 12 27 1 37 156 1.34 213.7 190.19 12.52S - 96 30 0 44 44 28 12 27 26 37 157 1.33 213.7 190.24 12.57S - 96 15 0 44 35 24 12 27 51 37 157 1.32 213.8 190.29 12.61S - 96 0 0 44 26 17 12 28 16 37 157 1.31 213.8 190.34 12.66S - 95 45 0 44 17 7 12 28 41 -12 38 158 1.30 213.9 190.39 12.71S - 95 30 0 44 7 52 12 29 7 -12 38 158 1.28 213.9 190.44 12.76S - 95 15 0 43 58 34 12 29 33 -11 38 159 1.27 214.0 190.49 12.81S - 95 0 0 43 49 12 12 29 59 -11 38 159 1.26 214.0 190.53 12.86S - 94 45 0 43 39 47 12 30 26 -11 39 159 1.25 214.1 190.58 12.90S - 94 30 0 43 30 18 12 30 53 -10 39 160 1.24 214.1 190.63 12.95S - 94 15 0 43 20 45 12 31 20 -10 39 160 1.23 214.2 190.68 13.00S - 94 0 0 43 11 9 12 31 47 -10 39 161 1.22 214.2 190.72 13.05S - 93 45 0 43 1 29 12 32 15 -10 40 161 1.21 214.2 190.77 13.09S - 93 30 0 42 51 45 12 32 43 -9 40 162 1.20 214.3 190.82 13.14S - 93 15 0 42 41 58 12 33 11 -9 40 162 1.19 214.3 190.87 13.19S - 93 0 0 42 32 6 12 33 40 -9 40 162 1.18 214.4 190.91 13.23S - 92 45 0 42 22 12 12 34 8 -8 41 163 1.17 214.4 190.96 13.28S - 92 30 0 42 12 13 12 34 38 -8 41 163 1.16 214.5 191.00 13.33S - 92 15 0 42 2 11 12 35 7 -8 41 164 1.15 214.5 191.05 13.37S - 92 0 0 41 52 5 12 35 37 -7 41 164 1.14 214.6 191.10 13.42S Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. Projected diameter of star 1 meters 138451 is variable: 138451 = TY Vir, 7.97 to 8.5, V, Type SRD, Period 50. days 138451 is double: AB 8.0 0.20" 54.0 (CHR 36) Graze path of B 0.45 km south, and 0.2 secs later compared to A Librations Long +1.07 Lat +7.36 P +188.15 D +7.40 Illumination of moon 31%- Elongation of Moon 68 Vertical Profile Scale 2.34 km/arcsec at mean distance of moon Horizontal Scale Factor 1.69 deg/min At longitude -108.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 6.3 5.7 7.2 7.9 8.5 8.8 9.1 9.2 8.3 5.7 7.2 8.0 8.5 8.8 9.1 9.3 10.3 5.7 7.2 8.0 8.5 8.8 9.1 9.3 12.3 5.7 7.2 8.0 8.5 8.9 9.1 9.3 14.3 5.8 7.2 8.0 8.5 8.9 9.1 9.3 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 11518-0546CHR 36 1983 1983 1 54 54 0.2 0.2 8.0 G3Ibp -037-051 -04 3155 N 115150.13-054543.8 ------------------------------------------------ Interferometric catalogue entries 115150.13-054543.8 BD-04 3155 CHR 36 HD 103036 HIP 57850 11518-0546 N Date PA Sep M1 M2 1983.4277 54.2 . 0.239 . . . . . 549 22 3.8 1 McA1987b Sch 1991.25 . . S . . 8.19 . . . 511 222 0.3 1 HIP1997h Thp ------------------------------------------------ AAVSO Variable star entry Variable identifier Type Max Min Ph Epoch Period TY Vir SRD 7.97 8.5 V 50. ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Des Moines IA -93.6 41.6 113km 12 32 30 Kansas City XZ63362 -94.0 40.6 220km 12 31 47 midwest grazes -94.1 44.5 101km 12 31 33 MidWest+2 -94.0 44.0 67km 12 31 47 MidWest+6 -95.0 45.0 97km 12 29 59 Waterloo IA -92.3 42.5 32km 12 34 57