Predictions for Grazing Occultation of ZC 1410, 2013 Apr 20, near Nambour, Qld
Graze profile
Grazing Occultation of 1410WK3 Magnitude 5.1 [Red = 4.4]
R1410 = 6 Leonis
Date: 2013 Apr 20 11h 39m, to 2013 Apr 20 11h 51m
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
149 0 0 -24 10 10 11 38 56 46 316 0.97 30.8 12.10 14.19N
149 30 0 -24 27 22 11 40 6 45 316 1.00 30.7 12.00 14.08N
150 0 0 -24 44 23 11 41 15 44 315 1.02 30.6 11.89 13.98N
150 30 0 -25 1 13 11 42 22 44 314 1.05 30.5 11.78 13.87N
151 0 0 -25 17 50 11 43 27 43 314 1.07 30.4 11.67 13.76N
151 30 0 -25 34 17 11 44 32 42 313 1.10 30.3 11.56 13.64N
152 0 0 -25 50 32 11 45 34 42 313 1.13 30.2 11.45 13.53N
152 30 0 -26 6 35 11 46 36 41 312 1.15 30.1 11.33 13.42N
153 0 0 -26 22 27 11 47 36 40 311 1.18 30.0 11.22 13.31N
153 30 0 -26 38 8 11 48 35 40 311 1.21 29.8 11.10 13.19N
154 0 0 -26 53 37 11 49 33 39 310 1.24 29.7 10.99 13.08N
154 30 0 -27 8 54 11 50 29 38 310 1.27 29.6 10.87 12.96N
155 0 0 -27 24 0 11 51 24 38 309 1.30 29.5 10.76 12.84N
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 5 meters [CHARM/CADARS, 7 measures]
1410 is double:
AB 5.2 9.3 38" 75.0 (SHJ 107) Graze path of B 52.48 km south, and 72.9 secs later compared to A
Librations Long -6.81 Lat +6.44
P +10.72 D -7.40
Illumination of moon 68%+
Elongation of Moon 112
Vertical Profile Scale 2.00 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.37 deg/min
At longitude 152.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
9.5 5.6 7.1 7.9 8.4 8.7 9.0 9.1
11.5 5.6 7.1 7.9 8.4 8.7 9.0 9.2
13.5 5.6 7.1 7.9 8.4 8.7 9.0 9.2
15.5 5.7 7.1 7.9 8.4 8.7 9.0 9.2
17.5 5.7 7.1 7.9 8.4 8.8 9.0 9.2
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
09320+0943SHJ 107 1781 2011 51 77 75 36.2 38.0 5.22 9.30 K3III -009-013 -012-017 +10 2014 N D 093157.58+094256.8
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Interferometric catalogue entries
093157.58+094256.8 ADS 7416 SHJ 107 BD+10 2014 HIP 46774 09320+0943 N
Date PA Sep M1 M2
1991.25 . . < 0.1 . 5.22 . . . 511 222 0.3 1 HIP1997e Hh
1991.52 75.1 . 37.37 . 5.216 0.009 9.300 0.041 530 100 1.4 1 TYC2002 Ht
1991.52 . . . . 6.830 0.015 9.880 0.046 430 90 1.4 1 TYC2002 Ht
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Brisbane 153.1 -27.5 102km 11 47 42
Bundaberg 152.3 -24.8 117km 11 46 16
Rockhampton 150.5 -23.4 157km 11 42 22
Lunar Limb Profile
