Predictions for Grazing Occultation of ZC 752, 2013 Feb 19
Graze profile
Grazing Occultation of 752cA7 Magnitude 4.6 [Red = 4.5]
R752 = iota Tauri
Date: 2013 Feb 19 8h 22m, to 2013 Feb 19 8h 30m
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
171 0 0 -41 27 24 8 22 24 -9 26 350 2.01 0.5 7.42 6.45N
171 10 0 -41 28 37 8 22 43 -9 26 349 2.02 0.6 7.48 6.50N
171 20 0 -41 29 53 8 23 2 -10 26 349 2.02 0.6 7.53 6.55N
171 30 0 -41 31 11 8 23 21 -10 26 349 2.03 0.7 7.58 6.60N
171 40 0 -41 32 31 8 23 40 -10 26 349 2.03 0.7 7.62 6.65N
171 50 1 -41 33 53 8 23 59 -10 26 348 2.04 0.7 7.67 6.70N
172 0 1 -41 35 18 8 24 18 -10 26 348 2.04 0.8 7.72 6.75N
172 10 1 -41 36 45 8 24 37 -10 26 348 2.05 0.8 7.77 6.79N
172 20 1 -41 38 15 8 24 56 -11 26 348 2.05 0.9 7.82 6.84N
172 30 1 -41 39 46 8 25 15 -11 26 347 2.06 0.9 7.86 6.89N
172 40 1 -41 41 20 8 25 33 -11 26 347 2.07 1.0 7.91 6.94N
172 50 1 -41 42 57 8 25 52 -11 26 347 2.07 1.0 7.96 6.98N
173 0 1 -41 44 35 8 26 10 -11 26 347 2.08 1.1 8.01 7.03N
173 10 2 -41 46 16 8 26 29 -11 26 346 2.08 1.1 8.05 7.08N
173 20 2 -41 47 58 8 26 47 -11 26 346 2.09 1.2 8.10 7.12N
173 30 2 -41 49 44 8 27 6 -12 25 346 2.10 1.2 8.14 7.17N
173 40 2 -41 51 31 8 27 24 -12 25 346 2.11 1.3 8.19 7.21N
173 50 2 -41 53 20 8 27 42 -12 25 345 2.11 1.3 8.24 7.26N
174 0 2 -41 55 12 8 28 1 25 345 2.12 1.4 8.28 7.30N
174 10 2 -41 57 6 8 28 19 25 345 2.13 1.4 8.32 7.35N
174 20 2 -41 59 1 8 28 37 25 345 2.13 1.4 8.37 7.39N
174 30 3 -42 0 59 8 28 55 25 344 2.14 1.5 8.41 7.44N
174 40 3 -42 2 59 8 29 13 25 344 2.15 1.5 8.46 7.48N
174 50 3 -42 5 2 8 29 30 25 344 2.16 1.6 8.50 7.53N
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 [CHARM/CADARS, 3 measures]
752 is double:
This next pair is not confirmed
** 5.4 5.4 0.10" 0.0** (OCc 230) Graze path of ? 0.38 km south, and 0.0 secs earlier compared to the primary
Librations Long +0.19 Lat +2.11
P +8.02 D -1.81
Illumination of moon 64%+
Elongation of Moon 106
Vertical Profile Scale 4.03 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.24 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
3.0 4.6 6.0 6.7 7.2 7.4 7.6 7.8
5.0 5.2 6.6 7.3 7.8 8.1 8.3 8.4
7.0 5.4 6.8 7.5 8.0 8.3 8.5 8.7
9.0 5.4 6.8 7.6 8.0 8.3 8.5 8.7
11.0 5.4 6.8 7.6 8.0 8.4 8.6 8.7
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
05031+2135OCC 230 0 5.4 5.4 +068-041 050305.70+213524.2
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Interferometric catalogue entries
050305.70+213524.2 OCC 230 Hyades vB 129 HD 32301 HIP 23497 05031+2135
Date PA Sep M1 M2
1956. V 0. . 0.1 . 5.4 . 5.4 . 1 OCC2002 O
1980.721 . . < 0.030 . . . . . 470 3.8 1 Hrt1984 Sc
1991.9023 . . < 0.030 . . . . . 549 22 3.8 2 Msn1993a Sc
1995.868 . . < 0.05 . . . >3.6 . 2200 400 5.1 1 Pat1998 Si
2005.8690 . . < 0.036 . . . . . 550 24 3.8 1 Msn2009 Su
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Chch graze 172.6 -43.5 200km 8 25 30
MidNZ 173.0 -41.0 80km 8 26 10
Wellington 174.8 -41.3 83km 8 29 27
Lunar Limb Profile
