Predictions for Grazing Occultation of R1364, 2013 May 17
Graze profile
Grazing Occultation of 1364cF2 Magnitude 6.5 [Red = 6.3] S
Date: 2013 May 17 8h 44m, to 2013 May 17 8h 50m
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
174 0 0 -36 58 45 8 44 10 27 312 1.94 27.1 9.93 9.09N
174 10 0 -37 3 17 8 44 22 27 312 1.96 27.0 9.89 9.06N
174 20 0 -37 7 48 8 44 35 27 311 1.97 27.0 9.86 9.03N
174 30 0 -37 12 18 8 44 47 27 311 1.99 27.0 9.83 9.00N
174 40 0 -37 16 47 8 44 59 27 311 2.00 26.9 9.80 8.96N
174 50 1 -37 21 15 8 45 12 26 311 2.02 26.9 9.76 8.93N
175 0 1 -37 25 42 8 45 24 26 311 2.04 26.9 9.73 8.90N
175 10 1 -37 30 8 8 45 35 26 311 2.05 26.8 9.70 8.86N
175 20 1 -37 34 32 8 45 47 26 310 2.07 26.8 9.67 8.83N
175 30 1 -37 38 56 8 45 59 26 310 2.09 26.8 9.63 8.80N
175 40 1 -37 43 19 8 46 11 25 310 2.10 26.7 9.60 8.77N
175 50 1 -37 47 40 8 46 22 25 310 2.12 26.7 9.57 8.73N
176 0 1 -37 52 1 8 46 34 25 310 2.14 26.7 9.54 8.70N
176 10 2 -37 56 20 8 46 45 25 310 2.15 26.6 9.51 8.67N
176 20 2 -38 0 39 8 46 56 25 309 2.17 26.6 9.47 8.64N
176 30 2 -38 4 57 8 47 7 25 309 2.19 26.6 9.44 8.60N
176 40 2 -38 9 13 8 47 18 24 309 2.21 26.5 9.41 8.57N
176 50 2 -38 13 29 8 47 29 24 309 2.22 26.5 9.38 8.54N
177 0 2 -38 17 43 8 47 40 24 309 2.24 26.5 9.34 8.51N
177 10 2 -38 21 57 8 47 51 24 309 2.26 26.4 9.31 8.48N
177 20 2 -38 26 9 8 48 1 24 309 2.28 26.4 9.28 8.44N
177 30 3 -38 30 21 8 48 12 24 308 2.30 26.4 9.25 8.41N
177 40 3 -38 34 31 8 48 22 23 308 2.32 26.4 9.22 8.38N
177 50 3 -38 38 41 8 48 33 23 308 2.34 26.3 9.18 8.35N
178 0 3 -38 42 49 8 48 43 23 308 2.36 26.3 9.15 8.32N
178 10 3 -38 46 57 8 48 53 23 308 2.38 26.3 9.12 8.29N
178 20 3 -38 51 3 8 49 3 23 308 2.40 26.2 9.09 8.25N
178 30 3 -38 55 9 8 49 13 22 307 2.42 26.2 9.06 8.22N
178 40 3 -38 59 13 8 49 23 22 307 2.44 26.2 9.03 8.19N
178 50 3 -39 3 17 8 49 33 22 307 2.46 26.1 8.99 8.16N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level.
1364 is variable:
1364 = NSV 18144, 6.48, , Type CST:
1364 is double:
AB 6.5 0.10" 71.0 (CHR 131) Graze path of B 0.15 km south, and 0.2 secs later compared to A
Librations Long -6.72 Lat +6.35
P +8.73 D -7.11
Illumination of moon 41%+
Elongation of Moon 80
Vertical Profile Scale 2.17 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.51 deg/min
At longitude 176.50:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
4.6 5.5 7.0 7.7 8.2 8.6 8.8 8.9
6.6 5.6 7.0 7.8 8.3 8.6 8.8 9.0
8.6 5.6 7.0 7.8 8.3 8.6 8.8 9.0
10.6 5.6 7.0 7.8 8.3 8.6 8.9 9.0
12.6 5.6 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
09098+1134CHR 131 1986 1986 1 71 71 0.1 0.1 6.48 F2Vp -043-064 +12 1979 N 090946.45+113352.3
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Interferometric catalogue entries
090946.45+113352.3 HR 3635 CHR 131 HD 78661 HIP 44984 09098+1134 N
Date PA Sep M1 M2
1986.8895 71.0 . 0.089 . . . . . 549 22 3.8 1 McA1989 Sc
1988.162 . . < 0.038 . . . . . 538 76 3.6 1 McA1993 Sc
1988.9100 . . < 0.080 . . . . . 538 76 1.8 1 McA1997 Sc
1991.25 . . < 0.1 . 6.57 . . . 511 222 0.3 1 HIP1997e Hh
1993.3512 . . < 0.030 . . . . . 600 6.0 1 Bag1994 S
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AAVSO Variable star entry
Variable identifier Type Max Min Ph Epoch Period
NSV 18144 CST: 6.48
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Auckland 174.8 -36.9 43km 8 45 9
MidNZ 173.0 -41.0 425km 8 42 52
Lunar Limb Profile
