Predictions for Grazing Occultation of ZC2969, 2015 Jun 6
Graze profile
Grazing Occultation of 2969SA5 Magnitude 3.1 [Red = 2.6] s
R2969 = Dabih Major = beta Capricorni
Date: 2015 Jun 06 10h 53m, to 2015 Jun 06 11h 0m
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
167 0 0 -34 38 1 10 52 54 16 97 3.53 173.7 187.85 11.35S
167 30 0 -34 44 34 10 53 7 16 97 3.43 173.7 187.81 11.31S
168 0 0 -34 51 2 10 53 21 17 97 3.33 173.7 187.77 11.26S
168 30 0 -34 57 27 10 53 36 17 96 3.23 173.6 187.73 11.22S
169 0 0 -35 3 48 10 53 50 18 96 3.14 173.6 187.69 11.18S
169 30 0 -35 10 5 10 54 6 18 96 3.05 173.5 187.65 11.14S
170 0 0 -35 16 19 10 54 21 19 95 2.97 173.5 187.60 11.10S
170 30 0 -35 22 29 10 54 38 19 95 2.89 173.4 187.56 11.05S
171 0 0 -35 28 34 10 54 54 20 95 2.81 173.4 187.51 11.01S
171 30 0 -35 34 36 10 55 11 20 94 2.74 173.4 187.47 10.96S
172 0 0 -35 40 33 10 55 28 21 94 2.67 173.3 187.42 10.91S
172 30 0 -35 46 27 10 55 46 21 93 2.61 173.3 187.37 10.87S
173 0 0 -35 52 16 10 56 4 21 93 2.55 173.2 187.33 10.82S
173 30 0 -35 58 1 10 56 23 22 93 2.49 173.2 187.28 10.77S
174 0 0 -36 3 41 10 56 42 22 92 2.43 173.1 187.23 10.72S
174 30 0 -36 9 18 10 57 1 23 92 2.37 173.1 187.18 10.67S
175 0 0 -36 14 49 10 57 21 23 92 2.32 173.0 187.12 10.62S
175 30 0 -36 20 16 10 57 41 24 91 2.27 173.0 187.07 10.57S
176 0 0 -36 25 39 10 58 2 24 91 2.22 172.9 187.02 10.51S
176 30 0 -36 30 57 10 58 23 25 90 2.17 172.8 186.96 10.46S
177 0 0 -36 36 10 10 58 45 25 90 2.12 172.8 186.91 10.40S
177 30 0 -36 41 19 10 59 6 26 90 2.08 172.7 186.85 10.35S
178 0 0 -36 46 23 10 59 29 26 89 2.03 172.7 186.80 10.29S
178 30 0 -36 51 22 10 59 51 27 89 1.99 172.6 186.74 10.23S
179 0 0 -36 56 16 11 0 15 27 88 1.95 172.6 186.68 10.18S
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.
Projected diameter of star 7 meters [CHARM/CADARS, 12 measures]
2969 is variable:
2969 = NSV 25105, 3.05, range 0.00, 3V, Type VAR, Period 1.40657 days
2969 is multiple:
Aa,Ab 3.1 4.9 0.09" 211.0 (BLA 7) Graze path of Ab 0.14 km north, and 0.1 secs earlier compared to Aa
AD 3.2 13.7 116" 291.7 (HJ 2948) Graze path of D 113.85 km south, and 198.1 secs earlier compared to A
AB 3.2 6.1 205" 267.0 (STFA 52) Graze path of B 27.68 km south, and 396.5 secs earlier compared to A
AC 3.2 8.8 226" 133.0 (STFA 52) Graze path of C 353.35 km north, and 282.5 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 -2.36 Lat -6.21
P +187.60 D -5.60
Illumination of moon 83%-
Elongation of Moon 131
Vertical Profile Scale 1.99 km/arcsec at mean distance of moon
Horizontal Scale Factor 1.85 deg/min
At longitude 173.00:
Limiting Magnitudes for various telescope apertures (in cm)
CA\Tdia 5 10 15 20 25 30 35
6.8 4.3 5.7 6.4 6.8 7.0 7.2 7.3
8.8 4.8 6.2 6.9 7.3 7.6 7.7 7.9
10.8 5.1 6.5 7.2 7.6 7.9 8.1 8.2
12.8 5.1 6.5 7.2 7.6 7.9 8.1 8.2
14.8 5.1 6.5 7.2 7.7 7.9 8.1 8.2
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Double star catalogue details
WDS entries
RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2
20210-1447BLA 7Aa,Ab 1976 1992 7 49 48 0.0 0.0 3.1 4.9 F8V A0 +042+002 -15 5629 NO 202100.67-144653.0
20210-1447STFA 52AB 1800 2012 41 268 267 205.5 205.4 3.15 6.08 F8V A0 +045+007 +043+000 N D 202100.67-144653.0
20210-1447STFA 52AC 1905 2012 11 134 133 227.4 226.1 3.15 8.83 F8V A0 +045+007 +039+006 -15 5631 N 202100.67-144653.0
20210-1447HJ 2948AD 1891 2000 3 294 292 111.7 115.9 3.15 12.96 A0III +045+007 +015-034 N 202100.67-144653.0
20210-1447BAR 12Ba,Bb 1884 2008 19 106 64 0.9 0.5 6.16 9.14 A0III +042+002 -15 5626 NO 202046.55-144705.5
20210-1447STFA 52BC 1895 2000 13 112 111 397.4 396.7 6.08 8.83 A0III +043+000 +039+006 -15 5626 N 202046.55-144705.5
20210-1447HJ 2948DE 1823 2000 8 300 321 8.0 3.9 13.7 14.4 +015-034 -058+060 N 202053.25-144608.7
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Results of Observer Scan UT
Site Long. Lat. Dist. h m s
Auckland 174.8 -36.9 75km 10 57 13
MidNZ 173.0 -41.0 552km 10 56 4
Lunar Limb Profile
