Predictions for Grazing Occultation of ZC 2401, 2013 Jul 19 near Bundaberg
Graze profile
Grazing Occultation of 2401SF3 Magnitude 5.6 [Red = 5.3]
Date: 2013 Jul 19 14h 12m, to 2013 Jul 19 14h 44m
Nominal site altitude 50m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
133 0 0 -29 49 45 14 11 43 59 281 0.61 178.8 169.83 11.34S
133 30 0 -29 44 6 14 12 37 58 280 0.62 178.6 169.72 11.45S
134 0 0 -29 38 18 14 13 30 58 279 0.63 178.5 169.60 11.56S
134 30 0 -29 32 21 14 14 23 57 279 0.65 178.4 169.49 11.67S
135 0 0 -29 26 14 14 15 16 56 278 0.66 178.3 169.38 11.78S
135 30 0 -29 19 59 14 16 8 56 277 0.68 178.2 169.28 11.89S
136 0 0 -29 13 34 14 17 0 55 277 0.70 178.1 169.17 11.99S
136 30 0 -29 7 1 14 17 52 55 276 0.71 178.0 169.07 12.10S
137 0 0 -29 0 20 14 18 43 54 275 0.73 177.9 168.96 12.20S
137 30 0 -28 53 29 14 19 34 53 275 0.74 177.8 168.86 12.30S
138 0 0 -28 46 31 14 20 24 53 274 0.76 177.7 168.77 12.40S
138 30 0 -28 39 24 14 21 14 52 274 0.78 177.6 168.67 12.49S
139 0 0 -28 32 9 14 22 4 51 273 0.80 177.5 168.57 12.59S
139 30 0 -28 24 46 14 22 53 51 273 0.81 177.4 168.48 12.68S
140 0 0 -28 17 14 14 23 42 50 272 0.83 177.3 168.39 12.77S
140 30 0 -28 9 35 14 24 30 50 272 0.85 177.2 168.30 12.86S
141 0 0 -28 1 49 14 25 18 49 271 0.87 177.1 168.21 12.95S
141 30 0 -27 53 54 14 26 5 48 271 0.89 177.1 168.13 13.04S
142 0 0 -27 45 52 14 26 52 48 270 0.91 177.0 168.04 13.12S
142 30 0 -27 37 43 14 27 39 47 270 0.93 176.9 167.96 13.20S
143 0 0 -27 29 27 14 28 25 47 269 0.95 176.8 167.88 13.28S
143 30 0 -27 21 3 14 29 10 46 269 0.97 176.7 167.80 13.36S
144 0 0 -27 12 33 14 29 55 45 268 0.99 176.7 167.73 13.44S
144 30 0 -27 3 56 14 30 40 45 268 1.01 176.6 167.65 13.51S
145 0 0 -26 55 12 14 31 24 44 268 1.03 176.5 167.58 13.58S
145 30 0 -26 46 21 14 32 7 43 267 1.05 176.4 167.51 13.65S
146 0 0 -26 37 24 14 32 50 43 267 1.08 176.4 167.44 13.72S
146 30 0 -26 28 21 14 33 33 42 266 1.10 176.3 167.37 13.79S
147 0 0 -26 19 12 14 34 15 42 266 1.12 176.2 167.31 13.86S
147 30 0 -26 9 56 14 34 56 41 266 1.15 176.2 167.24 13.92S
148 0 0 -26 0 35 14 35 37 40 265 1.17 176.1 167.18 13.98S
148 30 0 -25 51 8 14 36 18 40 265 1.20 176.1 167.12 14.04S
149 0 0 -25 41 36 14 36 58 39 264 1.23 176.0 167.06 14.10S
149 30 0 -25 31 58 14 37 37 39 264 1.25 175.9 167.00 14.16S
150 0 0 -25 22 14 14 38 16 38 264 1.28 175.9 166.95 14.21S
150 30 0 -25 12 26 14 38 54 37 263 1.31 175.8 166.89 14.27S
151 0 0 -25 2 32 14 39 31 37 263 1.34 175.8 166.83 14.33S
151 30 0 -24 52 34 14 40 9 36 263 1.37 175.7 166.78 14.38S
152 0 0 -24 42 31 14 40 45 36 262 1.40 175.7 166.74 14.43S
152 30 0 -24 32 23 14 41 21 35 262 1.43 175.6 166.69 14.47S
153 0 0 -24 22 11 14 41 56 34 262 1.47 175.6 166.64 14.52S
153 30 0 -24 11 54 14 42 31 34 261 1.50 175.5 166.60 14.56S
154 0 0 -24 1 34 14 43 5 33 261 1.53 175.5 166.56 14.60S
154 30 0 -23 51 9 14 43 39 32 261 1.57 175.5 166.52 14.64S
155 0 0 -23 40 41 14 44 12 32 260 1.61 175.4 166.48 14.68S
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 [Estimated]
2401 is triple:
This next pair is not confirmed
** 5.6 0.007" 261.0** (OCc1494) Graze path of ? 0.00 km north, and 0.0 secs earlier compared to the primary
AB 5.6 13.6 25.7" 212.6 (KUI 73) Graze path of B 41.82 km north, and 32.9 secs earlier compared to A
Librations Long -4.75 Lat -3.29
P +167.99 D -3.96
Illumination of moon 85%+
Elongation of Moon 135
Vertical Profile Scale 1.90 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.59 deg/min
At longitude 144.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
9.4 5.1 6.5 7.3 7.8 8.1 8.3 8.5
11.4 5.5 6.9 7.7 8.2 8.6 8.8 9.0
13.4 5.5 7.0 7.7 8.2 8.6 8.8 9.0
15.4 5.5 7.0 7.7 8.3 8.6 8.8 9.0
17.4 5.5 7.0 7.8 8.3 8.6 8.9 9.0
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
16419-1955KUI 73 1958 1998 2 214 213 22.5 24.8 5.57 13.6 F4IV-V +031+046 -19 4406 N D 164153.67-195528.1
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Interferometric catalogue entries
164153.67-195528.1 HR 6202 KUI 73 HD 150453 HIP 81754 16419-1955 N
Date PA Sep M1 M2
1985.515 . . < 0.038 . . . . . 549 22 3.6 1 McA1987a Sc
1991.25 . . O . . 5.55 . . . 511 222 0.3 1 HIP1997g Hh
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Bundaberg 152.3 -24.8 21km 14 41 9
Perth 115.9 -32.0 67km 13 38 15
Rockhampton 150.5 -23.4 192km 14 38 54
Lunar Limb Profile - near Bundaberg
