Predictions for Grazing Occultation of R1410, 2013 Apr 20
Graze profile
Grazing Occultation of 1410WK3 Magnitude 5.1 [Red = 4.4]
R1410 = 6 Leonis
Date: 2013 Apr 20 12h 12m, to 2013 Apr 20 12h 13m
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
172 0 0 -34 15 3 12 12 9 18 295 3.10 25.8 7.01 9.10N
172 10 0 -34 18 13 12 12 16 18 295 3.14 25.7 6.97 9.06N
172 20 0 -34 21 21 12 12 23 18 295 3.17 25.7 6.93 9.02N
172 30 0 -34 24 29 12 12 30 17 295 3.20 25.6 6.90 8.99N
172 40 0 -34 27 35 12 12 37 17 295 3.24 25.6 6.87 8.96N
172 50 1 -34 30 41 12 12 44 17 295 3.27 25.6 6.83 8.92N
173 0 1 -34 33 46 12 12 51 17 295 3.30 25.5 6.80 8.89N
173 10 1 -34 36 50 12 12 58 17 295 3.34 25.5 6.77 8.86N
173 20 1 -34 39 53 12 13 5 17 295 3.38 25.5 6.73 8.83N
173 30 1 -34 42 56 12 13 12 16 294 3.41 25.4 6.70 8.79N
173 40 1 -34 45 57 12 13 18 16 294 3.45 25.4 6.67 8.76N
173 50 1 -34 48 58 12 13 25 16 294 3.49 25.4 6.64 8.73N
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 48.10 km south, and 64.2 secs later compared to A
C A S S I N I R E G I O N G R A Z E
Librations Long -7.04 Lat +6.44
P +6.04 D -6.97
Illumination of moon 68%+
Elongation of Moon 112
Vertical Profile Scale 2.00 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.68 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
4.9 4.3 5.6 6.3 6.7 6.9 7.1 7.2
6.9 5.0 6.4 7.1 7.5 7.7 7.9 8.0
8.9 5.0 6.4 7.1 7.5 7.8 7.9 8.0
10.9 5.0 6.4 7.1 7.5 7.8 8.0 8.1
12.9 5.1 6.4 7.1 7.5 7.8 8.0 8.1
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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
Auckland 174.8 -36.9 188km 12 14 2
MidNZ 173.0 -41.0 663km 12 12 51
Lunar Limb Profile
