Grazing Occultation of 684DB9 Magnitude 6.2 [Red = 0.0] R684 = 119 H1. Tauri Date: 2014 Mar 07 22h 4m, to 2014 Mar 07 22h 11m 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 20 0 0 69 13 51 22 3 38 18 275 3.17 358.5 8.08 6.32N 20 15 0 69 9 26 22 3 46 17 275 3.19 358.5 8.10 6.33N 20 30 0 69 4 59 22 3 54 17 275 3.21 358.5 8.11 6.34N 20 45 0 69 0 31 22 4 2 17 275 3.23 358.5 8.12 6.36N 21 0 0 68 56 1 22 4 9 17 276 3.25 358.6 8.14 6.37N 21 15 0 68 51 30 22 4 17 17 276 3.27 358.6 8.15 6.38N 21 30 0 68 46 57 22 4 25 17 276 3.29 358.6 8.16 6.39N 21 45 0 68 42 23 22 4 33 17 277 3.32 358.6 8.17 6.40N 22 0 0 68 37 48 22 4 40 17 277 3.34 358.6 8.18 6.41N 22 15 0 68 33 12 22 4 48 17 277 3.37 358.6 8.19 6.43N 22 30 0 68 28 34 22 4 56 16 277 3.39 358.6 8.21 6.44N 22 45 0 68 23 54 22 5 4 16 278 3.41 358.6 8.22 6.45N 23 0 0 68 19 14 22 5 11 16 278 3.44 358.6 8.23 6.46N 23 15 0 68 14 32 22 5 19 16 278 3.47 358.7 8.24 6.47N 23 30 0 68 9 48 22 5 26 16 279 3.49 358.7 8.25 6.48N 23 45 0 68 5 4 22 5 34 16 279 3.52 358.7 8.26 6.49N 24 0 0 68 0 18 22 5 41 16 279 3.55 358.7 8.27 6.51N 24 15 0 67 55 30 22 5 49 16 279 3.57 358.7 8.29 6.52N 24 30 0 67 50 41 22 5 56 16 280 3.60 358.7 8.30 6.53N 24 45 0 67 45 51 22 6 4 15 280 3.63 358.7 8.31 6.54N 25 0 0 67 41 0 22 6 11 15 280 3.66 358.7 8.32 6.55N 25 15 0 67 36 8 22 6 19 15 281 3.69 358.8 8.33 6.56N 25 30 0 67 31 14 22 6 26 15 281 3.72 358.8 8.34 6.57N 25 45 0 67 26 19 22 6 33 15 281 3.76 358.8 8.35 6.58N 26 0 0 67 21 22 22 6 41 15 281 3.79 358.8 8.36 6.59N 26 15 0 67 16 25 22 6 48 15 282 3.82 358.8 8.37 6.60N 26 30 0 67 11 26 22 6 55 15 282 3.85 358.8 8.38 6.62N 26 45 0 67 6 26 22 7 3 14 282 3.89 358.8 8.39 6.63N 27 0 0 67 1 24 22 7 10 14 282 3.92 358.8 8.41 6.64N 27 15 0 66 56 22 22 7 17 14 283 3.96 358.8 8.42 6.65N 27 30 0 66 51 18 22 7 24 14 283 4.00 358.8 8.43 6.66N 27 45 0 66 46 13 22 7 31 14 283 4.04 358.9 8.44 6.67N 28 0 0 66 41 7 22 7 38 14 284 4.07 358.9 8.45 6.68N 28 15 0 66 36 0 22 7 45 14 284 4.11 358.9 8.46 6.69N 28 30 0 66 30 52 22 7 52 14 284 4.15 358.9 8.47 6.70N 28 45 0 66 25 42 22 7 59 13 284 4.20 358.9 8.48 6.71N 29 0 0 66 20 31 22 8 6 13 285 4.24 358.9 8.49 6.72N 29 15 0 66 15 20 22 8 12 13 285 4.28 358.9 8.50 6.73N 29 30 0 66 10 7 22 8 19 13 285 4.33 358.9 8.51 6.74N 29 45 0 66 4 53 22 8 26 13 285 4.37 358.9 8.52 6.75N 30 0 0 65 59 38 22 8 33 13 286 4.42 358.9 8.53 6.76N 30 15 0 65 54 22 22 8 39 13 286 4.47 359.0 8.54 6.77N 30 30 0 65 49 4 22 8 46 12 286 4.52 359.0 8.55 6.78N 30 45 0 65 43 46 22 8 52 12 286 4.57 359.0 8.56 6.79N 31 0 0 65 38 27 22 8 59 12 287 4.62 359.0 8.57 6.80N 31 15 0 65 33 7 22 9 5 12 287 4.67 359.0 8.58 6.81N 31 30 0 65 27 46 22 9 12 12 287 4.73 359.0 8.58 6.82N 31 45 0 65 22 24 22 9 18 12 287 4.79 359.0 8.59 6.83N 32 0 0 65 17 0 22 9 24 12 288 4.84 359.0 8.60 6.83N 32 15 0 65 11 36 22 9 30 12 288 4.90 359.0 8.61 6.84N 32 30 0 65 6 11 22 9 36 11 288 4.96 359.0 8.62 6.85N 32 45 0 65 0 45 22 9 43 11 289 5.03 359.1 8.63 6.86N 33 0 0 64 55 19 22 9 49 11 289 5.09 359.1 8.64 6.87N 33 15 0 64 49 51 22 9 55 11 289 5.16 359.1 8.65 6.88N 33 30 0 64 44 23 22 10 0 11 289 5.23 359.1 8.66 6.89N 33 45 0 64 38 53 22 10 6 11 290 5.30 359.1 8.67 6.90N 34 0 0 64 33 23 22 10 12 11 290 5.37 359.1 8.67 6.90N 34 15 0 64 27 52 22 10 18 10 290 5.45 359.1 8.68 6.91N 34 30 0 64 22 20 22 10 24 10 290 5.52 359.1 8.69 6.92N 34 45 0 64 16 48 22 10 29 10 291 5.60 359.1 8.70 6.93N 35 0 0 64 11 14 22 10 35 10 291 5.69 359.1 8.71 6.94N Path coordinates are referred to WGS84 (as used by GPS), with the nominal site altitude being referenced to Mean Sea Level. 684 is double: Graze prediction is based on the mean position of AB 6.97 7.02 2.90" 277.0 (STF 559) Graze path of A 0.69 km north, and 2.7 secs later compared to prediction Graze path of B 0.73 km south, and 2.8 secs earlier compared to prediction AB 6.97 7.02 2.90" 277.0 (STF 559) Graze path of B 1.42 km south, and 5.5 secs earlier compared to A Librations Long +5.09 Lat +5.10 P +8.85 D -4.04 Illumination of moon 43%+ Elongation of Moon 82 Vertical Profile Scale 3.56 km/arcsec at mean distance of moon Horizontal Scale Factor 1.98 deg/min At longitude 27.50: Limiting Magnitudes for various telescope apertures (in cm) CA\Tdia 5 10 15 20 25 30 35 2.7 4.3 5.7 6.4 6.7 7.0 7.1 7.3 4.7 5.0 6.4 7.1 7.6 7.8 8.0 8.1 6.7 5.1 6.5 7.2 7.6 7.9 8.0 8.2 8.7 5.1 6.5 7.2 7.6 7.9 8.1 8.2 10.7 5.1 6.5 7.2 7.6 7.9 8.1 8.2 ------------------------------------------------------------------------------ Double star catalogue details WDS entries RA Dec Name Y1 Y2 N PA PA Sep Sep M1 M2 04335+1801STF 559 1830 2011 163 279 277 3.0 2.9 6.97 7.02 B9IVn +005-019 +025-022 +17 750 N D 043333.04+180100.2 ------------------------------------------------ Interferometric catalogue entries 043333.04+180100.2 ADS 3297 STF 559A HD 28867 HIP 21251 04335+1801 Date PA Sep M1 M2 1994.7089 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1994.7089 . . < 0.030 . . . . . 700 40 3.8 1 Msn1996b Sc 043333.04+180100.2 ADS 3297 STF 559AB HD 28867 HIP 21251 04335+1801 Date PA Sep M1 M2 1981.8678 V288.6 . . . . . . . . 1 Blw1982a O 1982.0181 V246.4 . 2.7176 0.0006 . . 0.01 . 430 192 . 1 Blw1982a O 1991.25 277.0 . 3.078 . 6.985 0.005 7.036 0.006 511 222 0.3 1 HIP1997a Hh 1991.63 276.9 . 3.082 . 6.970 0.011 7.015 0.011 530 100 1.4 1 TYC2000a Ht 1991.63 . . . . 7.066 0.015 7.039 0.015 430 90 1.4 1 TYC2000a Ht 1995.782 V312. . 2.283 0.021 6.3 . 6.8 . 2200 1.5 1 Rch1999b O 1997.039 276.5 . 2.98 G . . . . . 550 24 0.7 1 WSI1999c Su 1997.058 277.0 . 2.99 G . . . . . 550 24 0.7 1 WSI1999c Su 1997.102 277.2 . 2.96 G . . . . . 550 24 0.7 1 WSI1999c Su 1997.140 277.3 . 3.02 G . . . . . 550 24 0.7 1 WSI1999c Su 2002.960 276.7 . 3.02 . . . . . 550 24 0.7 1 WSI2004a Su 2004.768 276.6 . 3.04 . . . . . 550 24 0.7 1 WSI2006a Su 2005.169 276.4 0.3 3.065 0.015 . . . . 644 70 1.0 1 Sca2007a S 2008.8665 277.1 . 3.035 . . . . . 550 24 1.5 1 Hrt2011a Su 043333.04+180100.3 ADS 3297 STF 559B HD 28867 HIP 21251 04335+1801 Date PA Sep M1 M2 1994.7089 . . < 0.030 . . . . . 549 22 3.8 1 Msn1996b Sc 1994.7089 . . < 0.030 . . . . . 700 40 3.8 1 Msn1996b Sc ------------------------------------------------------------------------------ Results of Observer Scan UT Site Long. Lat. Dist. h m s Enontekiö 23.6 68.4 22km 22 5 30 Ivalo 27.5 68.7 147km 22 7 25 Kajaani Lehtikangas 27.7 64.2 223km 22 7 30 Kemijärvi 27.4 66.7 14km 22 7 22 Kilpisjärvi 20.8 69.0 4km 22 4 3 Kuhmo 29.5 64.1 177km 22 8 19 Kuusamo 29.2 66.0 26km 22 8 11 Meltaus 25.4 66.9 55km 22 6 22 Muonio 23.7 68.0 13km 22 5 31 Näätämö 29.1 69.7 263km 22 8 8 Nuorgam 27.9 70.1 263km 22 7 34 Nurmes 29.1 63.5 241km 22 8 9 Oulu Puolivälikangas 25.5 65.0 218km 22 6 25 Pello 24.0 66.8 107km 22 5 40 Posio 28.2 66.1 44km 22 7 42 Pudasjärvi 27.0 65.4 144km 22 7 9 Puolanka 27.7 64.9 167km 22 7 29 Ranua 26.5 65.9 108km 22 6 55 Rovaniemi 25.7 66.5 81km 22 6 33 Salla 28.7 66.8 31km 22 7 56 Sodankylä 26.6 67.4 21km 22 6 58 Tervola 24.8 66.1 144km 22 6 5 Tornio 24.1 65.8 184km 22 5 46 Tulppio 29.2 67.8 122km 22 8 11 Utsjoki Ailigas 27.1 69.9 229km 22 7 11