Predictions for Grazing Occultation of SAO 159004, 2012 October 17
Graze profile
Grazing Occultation of 159004WK2 Magnitude 8.0 [Red = 7.2]
Date: 2012 Oct 17 7h 59m, to 2012 Oct 17 7h 59m
Nominal site altitude 100m
E. Longit. Latitude U.T. Sun Moon TanZ PA AA CA
o ' " o ' " h m s Alt Alt Az o o o
173 0 0 -36 35 40 7 58 35 9 254 6.66 184.7 167.17 11.84S
173 10 0 -36 32 32 7 58 37 8 254 6.78 184.6 167.16 11.85S
173 20 0 -36 29 24 7 58 39 8 254 6.91 184.6 167.15 11.86S
173 30 0 -36 26 16 7 58 42 8 254 7.04 184.6 167.14 11.87S
173 40 0 -36 23 7 7 58 44 8 254 7.17 184.6 167.14 11.88S
173 50 1 -36 19 59 7 58 46 8 253 7.31 184.6 167.13 11.88S
174 0 1 -36 16 50 7 58 48 8 253 7.46 184.6 167.12 11.89S
174 10 1 -36 13 40 7 58 50 7 253 7.61 184.6 167.11 11.90S
174 20 1 -36 10 31 7 58 52 7 253 7.77 184.6 167.11 11.91S
174 30 1 -36 7 21 7 58 54 7 253 7.93 184.6 167.10 11.91S
174 40 1 -36 4 10 7 58 56 7 253 8.10 184.6 167.09 11.92S
174 50 1 -36 1 0 7 58 58 7 253 8.28 184.6 167.08 11.93S
175 0 1 -35 57 49 7 59 0 7 253 8.47 184.6 167.08 11.94S
175 10 2 -35 54 38 7 59 1 7 253 8.66 184.6 167.07 11.94S
175 20 2 -35 51 27 7 59 3 6 253 8.87 184.5 167.06 11.95S
175 30 2 -35 48 16 7 59 5 6 252 9.08 184.5 167.05 11.96S
175 40 2 -35 45 4 7 59 6 6 252 9.31 184.5 167.05 11.97S
175 50 2 -35 41 52 7 59 8 6 252 9.54 184.5 167.04 11.97S
176 0 2 -35 38 40 7 59 10 6 252 9.79 184.5 167.03 11.98S
176 10 2 -35 35 27 7 59 11 6 252 10.05 184.5 167.03 11.99S
176 20 2 -35 32 15 7 59 13 6 252 10.33 184.5 167.02 11.99S
176 30 3 -35 29 2 7 59 14 5 252 10.62 184.5 167.01 12.00S
176 40 3 -35 25 48 7 59 16 5 252 10.93 184.5 167.01 12.01S
176 50 3 -35 22 35 7 59 17 5 252 11.25 184.5 167.00 12.01S
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 2 meters [Estimated]
159004 is double:
AB 8.1 8.9 24.7" 89.9 (S 665) Graze path of B 4.34 km south, and 38.9 secs later compared to A
Librations Long -0.54 Lat +0.49
P +167.07 D +0.61
Illumination of moon 5%+
Elongation of Moon 25
Vertical Profile Scale 2.05 km/arcsec at mean distance of moon
Horizontal Scale Factor 2.19 deg/min
At longitude 175.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
7.9 7.1 8.6 9.4 10.0 10.4 10.7 10.9
9.9 7.1 8.6 9.4 10.0 10.4 10.7 10.9
11.9 7.1 8.6 9.4 10.0 10.4 10.7 11.0
13.9 7.1 8.6 9.4 10.0 10.4 10.7 11.0
15.9 7.1 8.6 9.5 10.0 10.4 10.8 11.0
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
15045-1754S 665 1825 2003 20 91 90 25.1 24.7 8.07 8.88 -015-001 -016+005 -17 4246 N D 150430.89-175413.0
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Interferometric catalogue entries
150430.89-175413.0 BD-17 4246 S 665 HD 133353 HIP 73751 15045-1754 N
Date PA Sep M1 M2
1991.25 90.4 . 25.07 . 8.09 . 8.97 . 550 0.3 1 HIP1997a Thp
1991.25 . . . . 8.018 0.018 8.809 0.030 530 100 1.4 1 TYC1997 Tty
1991.25 . . . . 9.505 0.032 10.036 0.049 430 90 1.4 1 TYC1997 Tty
1991.25 . . . . 8.087 0.027 8.967 0.048 511 222 0.3 1 HIP1997f Thp
1991.57 90.5 . 25.065 . 8.074 0.013 8.882 0.020 530 100 1.4 1 TYC2000b Tty
1991.57 . . . . 9.601 0.025 10.184 0.034 430 90 1.4 1 TYC2000b Tty
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Auckland 174.8 -36.9 90km 7 58 57
MidNZ 173.0 -41.0 451km 7 58 35
Lunar Limb Profile
