Predictions for Grazing Occultation of ZC 155, 2016 Jul 25
Graze profile
Grazing Occultation of 155SF4 Magnitude 6.4 [Red = 6.2]
R155 = 77 Piscium
Date: 2016 Jul 25 17h 32m, to 2016 Jul 25 17h 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
167 0 0 -44 3 19.8 17 32 13 41 4 1.15 333.8 357.49 4.44N
167 30 0 -43 47 19.0 17 33 13 41 3 1.14 333.8 357.46 4.47N
168 0 0 -43 31 13.0 17 34 14 42 2 1.12 333.7 357.43 4.50N
168 30 0 -43 15 1.9 17 35 15 42 1 1.11 333.7 357.41 4.52N
169 0 0 -42 58 46.0 17 36 17 42 360 1.10 333.7 357.38 4.55N
169 30 0 -42 42 25.8 17 37 20 42 359 1.09 333.7 357.36 4.57N
170 0 0 -42 26 1.5 17 38 24 43 358 1.08 333.6 357.34 4.59N
170 30 0 -42 9 33.5 17 39 28 43 357 1.07 333.6 357.32 4.61N
171 0 0 -41 53 2.2 17 40 33 43 355 1.06 333.6 357.31 4.62N
171 30 0 -41 36 27.9 17 41 38 43 354 1.06 333.6 357.30 4.63N
172 0 0 -41 19 51.0 17 42 44 44 353 1.05 333.6 357.29 4.64N
172 30 0 -41 3 12.0 17 43 51 44 352 1.04 333.6 357.28 4.65N
173 0 0 -40 46 31.4 17 44 59 44 351 1.03 333.6 357.28 4.65N
173 30 0 -40 29 49.5 17 46 6 44 350 1.03 333.6 357.28 4.65N
174 0 0 -40 13 6.7 17 47 15 44 349 1.02 333.6 357.28 4.65N
174 30 0 -39 56 23.6 17 48 24 45 348 1.02 333.6 357.28 4.65N
175 0 0 -39 39 40.6 17 49 33 45 347 1.01 333.6 357.29 4.64N
175 30 0 -39 22 58.1 17 50 43 45 345 1.01 333.6 357.30 4.63N
176 0 0 -39 6 16.8 17 51 53 45 344 1.00 333.6 357.32 4.61N
176 30 0 -38 49 37.3 17 53 3 45 343 1.00 333.6 357.34 4.59N
177 0 0 -38 32 59.9 17 54 14 45 342 1.00 333.7 357.36 4.57N
177 30 0 -38 16 25.1 17 55 25 45 341 1.00 333.7 357.39 4.55N
178 0 0 -37 59 53.7 17 56 36 45 339 0.99 333.7 357.41 4.52N
178 30 0 -37 43 25.9 17 57 48 45 338 0.99 333.7 357.45 4.48N
179 0 0 -37 27 2.4 17 58 59 45 337 0.99 333.8 357.48 4.45N
Path coordinates are referred to WGS84 (as used by GPS), with the
nominal site altitude being referenced to Mean Sea Level. The path
is adjusted for the effects of refraction at low moon altitudes.
155 is multiple:
AB 6.4 7.3 33" 83.0 (STF 90) Graze path of B approximately 29.7 km north, and 76.3 secs later compared to A
- refer to graze profile for exact distances
AD 6.4 14.6 42" 323.7 (STF 90) Graze path of D approximately 112.4 km south, and 17.8 secs earlier compared to A
- refer to graze profile for exact distances
AE 6.4 14.4 91" 352.0 (STF 90) Graze path of E approximately 233.0 km south, and 70.3 secs later compared to A
- refer to graze profile for exact distances
AC 6.4 13.1 157" 290.2 (STF 90) Graze path of C approximately 310.0 km south, and 265.3 secs earlier compared to A
- refer to graze profile for exact distances
C A S S I N I R E G I O N G R A Z E
Librations Long -1.44 Lat +3.03
P +357.20 D -2.70
Illumination of moon 64%-
Elongation of Moon 106
Vertical Profile Scale approx. 2.61 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.45 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
0.7 2.9 4.3 5.1 5.6 5.9 6.1 6.2
2.7 4.8 6.3 7.0 7.5 7.9 8.1 8.3
4.7 5.0 6.5 7.2 7.7 8.1 8.3 8.5
6.7 5.7 7.1 7.9 8.4 8.8 9.0 9.2
8.7 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
01058+0455STF 90AB 1782 2014 107 85 83 29.6 32.9 6.39 7.26 F3V F5V +014-121 +032-123 +04 175 NVD 010549.22+045431.2
01058+0455STF 90AC 1910 2011 6 286 290 152.2 157.0 6.39 13.15 F3V +014-121 +007+000 N 010549.22+045431.2
01058+0455STF 90AD 1910 1995 3 313 322 31.8 39.4 6.39 14.6 F3V +026-120 N 010549.22+045431.2
01058+0455STF 90AE 1910 2000 4 352 352 77.2 88.5 6.39 14.39 F3V +014-121 +012+006 N 010549.22+045431.2
01058+0455TOK 202Ba,Bb 2011 2011 2 41 39 0.3 0.3 7.25 12. F6V +036-127 N 010551.30+045436.9
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Interferometric catalogue entries
010549.22+045431.2 ADS 903 STF 90AB HD 6479 HIP 5141 01058+0455 N
Date PA Sep M1 M2
1991.25 . . G . . 6.35 . . . 511 222 0.3 1 HIP1997g Hh
1991.25 83.4 . 33.029 . 6.35 . 7.26 . 550 0.3 1 HIP1997b Hh
1991.64 83.4 . 33.04 . 6.389 0.010 7.257 0.011 530 100 1.4 1 TYC2002 Ht
1991.64 . . . . 6.779 0.015 7.772 0.016 430 90 1.4 1 TYC2002 Ht
2003.845 83.0 . 32.84 . . . . . 550 0.7 1 WSI2004b Su
010551.30+045436.9 ADS 903 TOK 202Ba,Bb HD 6480 HIP 5144 01058+0455 N
Date PA Sep M1 M2
2011.8433 41.0 . 0.251 . . . 4.46 . 1587 15 8.1 1 Tok2012a A
2011.8433 38.6 . 0.254 . . . 3.96 . 2272 35 8.1 1 Tok2012a A
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Auckland 174.8 -36.9 262km 17 49 5.1
Chch graze 172.6 -43.5 225km 17 44 9.6
MidNZ 173.0 -41.0 20km 17 44 58.5
Lunar Limb Profile
