IOTA/IOTA-ES occultation update for (491) Carina / TYC 0377-00511-1 event on 2009 Jun 11, 18:29 UT Visible from Summary ------- On 2009 Jun 11 UT, the 97 km diameter asteroid (491) Carina will occult a 11.6 mag star in the constellation Hercules for observers along a path across . In the case of an occultation, the combined light of the asteroid and the star will drop by 2.4 mag to 13.8 mag (the magnitude of the asteroid) for at most 7.4 seconds. This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC. The event at a glimpse ---------------------- * Rank: 92 * date and approx. time of event: 2009 Jun 11, 18:21 - 2009 Jun 11, 18:36 UT * magnitude of target star: 11.6 * magnitude drop [mag]: 2.4 * estimated maximum duration [s]: 7.4 * Moon: 86 % sunlit, 62° distance * Sun: 150° distance * rough path description: The occultation path -------------------- * approximate projected width [km]: 99 * 1 sigma uncertainty interval [path widths]: +/- 0.48 * 1 sigma uncertainty interval [seconds]: +/- 4.1 * 1 sigma uncertainty interval approx RA,DE ["]: (+/- .029 +/- .026) * 1 sigma uncertainty ellipse (major, minor, PA): ( .029", .026", 91° ) * approx speed of asteroid's shadow [km/s]: 13.1237 * website for maps: http://www.asteroidoccultation.com Path Coordinates: Occultation of TYC 0377-00511-1 by 491 Carina on 2009 Jun 11 Centre Star Star Sun Path Limits Error Limits E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4 o ' " o ' " h m s o o o o ' " o ' " o ' " o ' " Latitude Latitude Latitude Latitude - 1 0 0 17 18 17 18 36 26 22 93 -1 17 45 16 16 51 21 18 11 13 16 25 32 0 0 0 17 20 28 18 36 23 22 93 -1 17 47 27 16 53 32 18 13 24 16 27 43 1 0 0 17 22 34 18 36 20 23 93 -2 17 49 33 16 55 38 18 15 30 16 29 49 2 0 0 17 24 35 18 36 17 24 94 -3 17 51 34 16 57 39 18 17 31 16 31 50 3 0 0 17 26 31 18 36 13 25 94 -4 17 53 30 16 59 35 18 19 26 16 33 46 4 0 0 17 28 22 18 36 10 26 94 -5 17 55 20 17 1 26 18 21 17 16 35 37 5 0 0 17 30 7 18 36 6 27 95 -6 17 57 6 17 3 12 18 23 2 16 37 23 6 0 0 17 31 48 18 36 2 28 95 -6 17 58 46 17 4 52 18 24 43 16 39 3 7 0 0 17 33 23 18 35 58 29 96 -7 18 0 22 17 6 27 18 26 18 16 40 39 8 0 0 17 34 53 18 35 54 30 96 -8 18 1 52 17 7 58 18 27 48 16 42 9 9 0 0 17 36 18 18 35 50 31 96 -9 18 3 17 17 9 23 18 29 13 16 43 34 10 0 0 17 37 38 18 35 46 32 97 -10 18 4 36 17 10 42 18 30 33 16 44 54 11 0 0 17 38 52 18 35 42 33 97 -10 18 5 51 17 11 57 18 31 47 16 46 8 12 0 0 17 40 2 18 35 37 34 97 -11 18 7 0 17 13 6 18 32 56 16 47 18 13 0 0 17 41 6 18 35 33 35 98 -12 18 8 4 17 14 10 18 34 0 16 48 22 14 0 0 17 42 4 18 35 28 35 98 -13 18 9 3 17 15 9 18 34 59 16 49 21 15 0 0 17 42 58 18 35 23 36 99 -14 18 9 56 17 16 2 18 35 52 16 50 14 16 0 0 17 43 46 18 35 18 37 99 -14 18 10 44 17 16 51 18 36 40 16 51 2 17 0 0 17 44 29 18 35 13 38 99 -15 18 11 27 17 17 33 18 37 23 16 51 45 18 0 0 17 45 6 18 35 8 39 100 -16 18 12 5 17 18 11 18 38 1 16 52 23 19 0 0 17 45 39 18 35 3 40 100 -17 18 12 37 17 18 43 18 38 33 16 52 55 20 0 0 17 46 6 18 34 58 41 101 -18 18 13 4 17 19 10 18 39 0 16 53 22 21 0 0 17 46 28 18 34 52 42 101 -18 18 13 26 17 19 32 18 39 22 16 53 44 22 0 0 17 46 44 18 34 47 43 102 -19 18 13 42 17 19 49 18 39 38 16 54 0 23 0 0 17 46 55 18 34 41 44 102 -20 18 13 53 17 20 0 18 39 49 16 54 12 24 0 0 17 47 1 18 34 36 45 103 -21 18 13 59 17 20 6 18 39 55 16 54 17 25 0 0 17 47 2 18 34 30 46 103 -22 18 14 0 17 20 6 18 39 56 16 54 18 26 0 0 17 46 57 18 34 24 46 104 -22 18 13 55 17 20 2 18 39 51 16 54 13 27 0 0 17 46 47 18 34 18 47 104 -23 18 13 45 17 19 52 18 39 41 16 54 3 28 0 0 17 46 32 18 34 12 48 105 -24 18 13 30 17 19 36 18 39 26 16 53 48 29 0 0 17 46 11 18 34 6 49 105 -25 18 13 10 17 19 16 18 39 6 16 53 28 30 0 0 17 45 46 18 34 0 50 106 -25 18 12 44 17 18 50 18 38 40 16 53 2 31 0 0 17 45 15 18 33 54 51 106 -26 18 12 13 17 18 19 18 38 9 16 52 31 32 0 0 17 44 39 18 33 48 52 107 -27 18 11 37 17 17 43 18 37 33 16 51 55 33 0 0 17 43 57 18 33 41 53 108 -27 18 10 56 17 17 2 18 36 52 16 51 13 34 0 0 17 43 11 18 33 35 54 108 -28 18 10 9 17 16 15 18 36 6 16 50 27 35 0 0 17 42 19 18 33 28 54 109 -29 18 9 18 17 15 23 18 35 14 16 49 35 36 0 0 17 41 22 18 33 22 55 110 -30 18 8 21 17 14 27 18 34 17 16 48 38 37 0 0 17 40 20 18 33 15 56 111 -30 18 7 19 17 13 24 18 33 15 16 47 36 38 0 0 17 39 13 18 33 8 57 111 -31 18 6 12 17 12 17 18 32 8 16 46 29 39 0 0 17 38 1 18 33 2 58 112 -32 18 5 0 17 11 5 18 30 56 16 45 16 40 0 0 17 36 44 18 32 55 59 113 -32 18 3 42 17 9 48 18 29 39 16 43 59 41 0 0 17 35 21 18 32 48 60 114 -33 18 2 20 17 8 25 18 28 17 16 42 37 42 0 0 17 33 54 18 32 41 61 115 -34 18 0 53 17 6 58 18 26 50 16 41 9 43 0 0 17 32 22 18 32 34 61 116 -34 17 59 21 17 5 26 18 25 18 16 39 37 44 0 0 17 30 44 18 32 27 62 117 -35 17 57 43 17 3 48 18 23 40 16 37 59 45 0 0 17 29 2 18 32 19 63 118 -36 17 56 1 17 2 6 18 21 58 16 36 17 46 0 0 17 27 15 18 32 12 64 119 -36 17 54 14 17 0 19 18 20 11 16 34 30 47 0 0 17 25 23 18 32 5 65 120 -37 17 52 22 16 58 27 18 18 19 16 32 37 48 0 0 17 23 26 18 31 58 66 121 -38 17 50 25 16 56 30 18 16 23 16 30 40 49 0 0 17 21 24 18 31 50 66 123 -38 17 48 24 16 54 28 18 14 21 16 28 38 50 0 0 17 19 18 18 31 43 67 124 -39 17 46 17 16 52 21 18 12 15 16 26 32 51 0 0 17 17 7 18 31 36 68 126 -40 17 44 6 16 50 10 18 10 4 16 24 20 52 0 0 17 14 51 18 31 28 69 127 -40 17 41 50 16 47 54 18 7 48 16 22 4 53 0 0 17 12 30 18 31 21 69 129 -41 17 39 30 16 45 33 18 5 28 16 19 43 54 0 0 17 10 5 18 31 13 70 131 -41 17 37 5 16 43 8 18 3 2 16 17 18 55 0 0 17 7 35 18 31 5 71 133 -42 17 34 35 16 40 38 18 0 33 16 14 48 56 0 0 17 5 0 18 30 58 72 135 -42 17 32 0 16 38 3 17 57 58 16 12 13 57 0 0 17 2 21 18 30 50 72 137 -43 17 29 22 16 35 24 17 55 20 16 9 34 58 0 0 16 59 38 18 30 42 73 139 -43 17 26 38 16 32 41 17 52 36 16 6 50 59 0 0 16 56 50 18 30 35 74 142 -44 17 23 50 16 29 53 17 49 49 16 4 2 60 0 0 16 53 58 18 30 27 74 145 -44 17 20 58 16 27 0 17 46 57 16 1 10 61 0 0 16 51 1 18 30 19 75 147 -45 17 18 2 16 24 3 17 44 0 15 58 13 62 0 0 16 48 0 18 30 11 75 151 -45 17 15 1 16 21 2 17 40 59 15 55 12 63 0 0 16 44 55 18 30 4 76 154 -46 17 11 56 16 17 57 17 37 54 15 52 6 64 0 0 16 41 46 18 29 56 76 158 -46 17 8 46 16 14 48 17 34 45 15 48 57 65 0 0 16 38 32 18 29 48 76 161 -47 17 5 33 16 11 34 17 31 32 15 45 43 66 0 0 16 35 14 18 29 40 77 165 -47 17 2 15 16 8 16 17 28 14 15 42 25 67 0 0 16 31 53 18 29 32 77 169 -48 16 58 54 16 4 54 17 24 53 15 39 3 68 0 0 16 28 27 18 29 24 77 174 -48 16 55 28 16 1 28 17 21 27 15 35 37 69 0 0 16 24 57 18 29 17 77 178 -48 16 51 58 15 57 59 17 17 58 15 32 7 70 0 0 16 21 24 18 29 9 77 183 -49 16 48 25 15 54 25 17 14 24 15 28 34 71 0 0 16 17 46 18 29 1 77 187 -49 16 44 48 15 50 47 17 10 47 15 24 56 72 0 0 16 14 5 18 28 53 77 191 -49 16 41 7 15 47 6 17 7 6 15 21 14 73 0 0 16 10 20 18 28 45 77 196 -50 16 37 22 15 43 21 17 3 21 15 17 29 74 0 0 16 6 31 18 28 37 77 200 -50 16 33 33 15 39 32 16 59 33 15 13 40 75 0 0 16 2 39 18 28 29 77 204 -50 16 29 41 15 35 40 16 55 41 15 9 48 76 0 0 15 58 43 18 28 21 76 208 -50 16 25 45 15 31 44 16 51 45 15 5 52 77 0 0 15 54 44 18 28 13 76 212 -51 16 21 46 15 27 45 16 47 46 15 1 53 78 0 0 15 50 41 18 28 6 75 215 -51 16 17 44 15 23 42 16 43 44 14 57 50 79 0 0 15 46 35 18 27 58 75 218 -51 16 13 38 15 19 36 16 39 38 14 53 43 80 0 0 15 42 26 18 27 50 74 221 -51 16 9 28 15 15 26 16 35 29 14 49 34 81 0 0 15 38 13 18 27 42 74 224 -51 16 5 16 15 11 13 16 31 16 14 45 21 82 0 0 15 33 57 18 27 34 73 227 -51 16 1 0 15 6 58 16 27 0 14 41 5 83 0 0 15 29 39 18 27 27 73 229 -51 15 56 41 15 2 39 16 22 42 14 36 46 84 0 0 15 25 17 18 27 19 72 232 -52 15 52 19 14 58 17 16 18 20 14 32 24 85 0 0 15 20 52 18 27 11 71 234 -52 15 47 55 14 53 52 16 13 55 14 27 59 86 0 0 15 16 24 18 27 3 70 236 -52 15 43 27 14 49 24 16 9 28 14 23 31 87 0 0 15 11 53 18 26 56 70 238 -52 15 38 56 14 44 53 16 4 57 14 19 0 88 0 0 15 7 20 18 26 48 69 239 -52 15 34 23 14 40 20 16 0 24 14 14 27 89 0 0 15 2 44 18 26 41 68 241 -51 15 29 47 14 35 43 15 55 48 14 9 50 90 0 0 14 58 5 18 26 33 67 242 -51 15 25 9 14 31 5 15 51 10 14 5 12 91 0 0 14 53 24 18 26 25 67 244 -51 15 20 27 14 26 23 15 46 29 14 0 30 92 0 0 14 48 40 18 26 18 66 245 -51 15 15 44 14 21 40 15 41 45 13 55 46 93 0 0 14 43 54 18 26 11 65 246 -51 15 10 58 14 16 54 15 36 59 13 51 0 94 0 0 14 39 6 18 26 3 64 248 -51 15 6 10 14 12 5 15 32 11 13 46 12 95 0 0 14 34 15 18 25 56 63 249 -51 15 1 19 14 7 14 15 27 21 13 41 21 96 0 0 14 29 23 18 25 49 62 250 -51 14 56 26 14 2 22 15 22 28 13 36 28 97 0 0 14 24 28 18 25 41 62 251 -50 14 51 32 13 57 27 15 17 33 13 31 33 98 0 0 14 19 31 18 25 34 61 252 -50 14 46 35 13 52 30 15 12 37 13 26 36 99 0 0 14 14 32 18 25 27 60 252 -50 14 41 36 13 47 31 15 7 38 13 21 37 100 0 0 14 9 32 18 25 20 59 253 -49 14 36 36 13 42 30 15 2 37 13 16 37 101 0 0 14 4 29 18 25 13 58 254 -49 14 31 33 13 37 28 14 57 35 13 11 34 102 0 0 13 59 25 18 25 6 57 255 -49 14 26 29 13 32 24 14 52 31 13 6 30 103 0 0 13 54 20 18 24 59 56 256 -48 14 21 24 13 27 18 14 47 26 13 1 24 104 0 0 13 49 13 18 24 52 55 256 -48 14 16 17 13 22 11 14 42 19 12 56 17 105 0 0 13 44 4 18 24 45 55 257 -48 14 11 8 13 17 3 14 37 10 12 51 9 106 0 0 13 38 54 18 24 39 54 258 -47 14 5 59 13 11 53 14 32 1 12 45 59 107 0 0 13 33 43 18 24 32 53 258 -47 14 0 47 13 6 42 14 26 50 12 40 47 108 0 0 13 28 31 18 24 26 52 259 -46 13 55 35 13 1 29 14 21 37 12 35 35 109 0 0 13 23 18 18 24 19 51 259 -46 13 50 22 12 56 16 14 16 24 12 30 22 110 0 0 13 18 3 18 24 13 50 260 -46 13 45 8 12 51 2 14 11 10 12 25 7 111 0 0 13 12 48 18 24 7 49 260 -45 13 39 52 12 45 46 14 5 54 12 19 52 112 0 0 13 7 32 18 24 0 48 261 -45 13 34 36 12 40 30 14 0 38 12 14 36 113 0 0 13 2 15 18 23 54 47 261 -44 13 29 20 12 35 13 13 55 22 12 9 19 114 0 0 12 56 58 18 23 48 46 262 -44 13 24 2 12 29 56 13 50 4 12 4 2 115 0 0 12 51 40 18 23 42 45 262 -43 13 18 44 12 24 38 13 44 46 11 58 44 116 0 0 12 46 21 18 23 36 44 263 -42 13 13 26 12 19 20 13 39 28 11 53 25 117 0 0 12 41 2 18 23 31 44 263 -42 13 8 7 12 14 1 13 34 9 11 48 6 118 0 0 12 35 43 18 23 25 43 263 -41 13 2 48 12 8 42 13 28 50 11 42 47 119 0 0 12 30 24 18 23 19 42 264 -41 12 57 29 12 3 22 13 23 31 11 37 28 120 0 0 12 25 5 18 23 14 41 264 -40 12 52 9 11 58 3 13 18 11 11 32 9 121 0 0 12 19 45 18 23 8 40 265 -39 12 46 50 11 52 44 13 12 52 11 26 50 122 0 0 12 14 26 18 23 3 39 265 -39 12 41 31 11 47 25 13 7 33 11 21 30 123 0 0 12 9 7 18 22 58 38 265 -38 12 36 12 11 42 6 13 2 14 11 16 11 124 0 0 12 3 48 18 22 53 37 266 -38 12 30 53 11 36 47 12 56 55 11 10 53 125 0 0 11 58 30 18 22 48 36 266 -37 12 25 34 11 31 28 12 51 37 11 5 34 126 0 0 11 53 12 18 22 43 35 266 -36 12 20 16 11 26 11 12 46 19 11 0 16 127 0 0 11 47 55 18 22 38 34 267 -36 12 14 59 11 20 53 12 41 1 10 54 59 128 0 0 11 42 38 18 22 34 33 267 -35 12 9 42 11 15 37 12 35 44 10 49 42 129 0 0 11 37 22 18 22 29 32 267 -34 12 4 26 11 10 21 12 30 28 10 44 27 130 0 0 11 32 7 18 22 25 31 267 -33 11 59 11 11 5 6 12 25 13 10 39 12 131 0 0 11 26 53 18 22 20 30 268 -33 11 53 57 10 59 51 12 19 59 10 33 57 132 0 0 11 21 40 18 22 16 29 268 -32 11 48 44 10 54 38 12 14 46 10 28 44 133 0 0 11 16 28 18 22 12 28 268 -31 11 43 32 10 49 26 12 9 34 10 23 33 134 0 0 11 11 17 18 22 8 27 268 -31 11 38 21 10 44 16 12 4 23 10 18 22 135 0 0 11 6 7 18 22 4 26 269 -30 11 33 11 10 39 6 11 59 13 10 13 13 136 0 0 11 0 59 18 22 1 25 269 -29 11 28 3 10 33 58 11 54 5 10 8 5 137 0 0 10 55 53 18 21 57 25 269 -28 11 22 57 10 28 52 11 48 58 10 2 58 138 0 0 10 50 48 18 21 54 24 269 -28 11 17 52 10 23 47 11 43 53 9 57 53 139 0 0 10 45 45 18 21 50 23 270 -27 11 12 48 10 18 44 11 38 50 9 52 50 140 0 0 10 40 43 18 21 47 22 270 -26 11 7 47 10 13 42 11 33 48 9 47 49 141 0 0 10 35 44 18 21 44 21 270 -25 11 2 47 10 8 43 11 28 49 9 42 49 142 0 0 10 30 46 18 21 41 20 270 -25 10 57 50 10 3 45 11 23 51 9 37 52 143 0 0 10 25 51 18 21 38 19 270 -24 10 52 54 9 58 50 11 18 55 9 32 57 144 0 0 10 20 57 18 21 36 18 271 -23 10 48 1 9 53 57 11 14 2 9 28 3 145 0 0 10 16 6 18 21 33 17 271 -22 10 43 9 9 49 6 11 9 10 9 23 13 146 0 0 10 11 17 18 21 31 16 271 -21 10 38 21 9 44 17 11 4 21 9 18 24 147 0 0 10 6 31 18 21 29 15 271 -21 10 33 34 9 39 31 10 59 35 9 13 38 148 0 0 10 1 47 18 21 27 14 271 -20 10 28 50 9 34 47 10 54 51 9 8 54 149 0 0 9 57 6 18 21 25 13 272 -19 10 24 9 9 30 6 10 50 10 9 4 13 150 0 0 9 52 28 18 21 23 12 272 -18 10 19 31 9 25 28 10 45 31 8 59 35 151 0 0 9 47 52 18 21 21 11 272 -17 10 14 55 9 20 52 10 40 55 8 55 0 152 0 0 9 43 19 18 21 20 10 272 -16 10 10 22 9 16 20 10 36 22 8 50 27 153 0 0 9 38 50 18 21 18 9 272 -16 10 5 52 9 11 50 10 31 52 8 45 57 154 0 0 9 34 23 18 21 17 8 272 -15 10 1 25 9 7 23 10 27 26 8 41 31 155 0 0 9 29 59 18 21 16 7 273 -14 9 57 2 9 3 0 10 23 2 8 37 8 156 0 0 9 25 39 18 21 15 6 273 -13 9 52 41 8 58 40 10 18 41 8 32 48 157 0 0 9 21 22 18 21 14 5 273 -12 9 48 24 8 54 23 10 14 24 8 28 31 158 0 0 9 17 9 18 21 13 4 273 -11 9 44 11 8 50 9 10 10 11 8 24 17 159 0 0 9 12 59 18 21 13 3 273 -11 9 40 1 8 46 0 10 6 0 8 20 8 160 0 0 9 8 52 18 21 12 2 273 -10 9 35 54 8 41 53 10 1 54 8 16 1 161 0 0 9 4 50 18 21 12 1 274 -9 9 31 51 8 37 51 9 57 51 8 11 59 162 0 0 9 0 51 18 21 12 0 274 -8 9 27 52 8 33 52 9 53 52 .. .. .. Uncertainty in time = +/- 4 secs [Prediction of 2008 Mar 20.0] Data for the target star ------------------------ * name: TYC 0377-00511-1 * constellation : Hercules * J2000 position with proper motion to date of event [h,m,s ; °,',"] RA: 16 27 21.9075 DE: +03 45 47.885 * position source: mpos:UCAC2 pm:UCAC2 * standard error: RA,DE ["]: ( .021, .022 ) * V mag [mag]: 11.6 * B mag [mag]: 12.5 * remarks: Data for the minor planet ------------------------- * general information: (number) name: (491) Carina approx. diameter [km]: 97 approx. diameter ["]: .053 distance from Earth [AU]: 2.53700 * orbital information: orbit source: Preston date of fit: 2008 Mar 20 source of used astrometry: FASTT MPC (via Astdys) number of used observations: 964 number of rejected observations: 85 time covered by the observations: 1902 Sep 04 - 2008 Feb 27 1 sigma uncertainty ellipse (major, minor, PA): 0.020, 0.013, 92° remarks: * orbital elements for (491) Carina : Mean anomaly = 201.69296304 deg Arg. of pericenter = 236.39153820 deg Long. of node = 175.54537831 deg Inclination = 18.89116945 deg Eccentricity = 0.08995466 Semimajor axis = 3.18628675 AU Perihelion dist = 2.89966542 AU Mag: H = 9.11, G = 0.15 Epoch of elements : MJD 54993.77000000 TDT (2009 Jun 11.770) ------ occelmnt file for Occult BEGIN ----------------------------------- 2009 Jun 11 491 Carina 18h 29.1m UT 11.6 16 27 21.908 3 45 47.88TYC 0377-00511-1 12.5 13.8 97 7.4 2.537 -1.711 1.58 69.3353 3.763 -97.34 23.13 18.4852 0.01307 0.21635 -7.39322 0.45798 0.00117 -0.00256 2000 201.0396552009 6 8.00000236.391538175.545378 18.8911690.08995466 3.1862868 2.8996654 8.5 5.00.15 RATE 1.7329130 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000 Meas 0.029 0.026 91 1.48 0.026 0 54545.5020090611_0511-1 ------ occelmnt file for Occult END ----------------------------------- ============================================ Calculator (s): Steve Preston Date of update: 2008 Mar 20, 09:17 UT Steve Preston 7640 NE 32nd St Medina, WA 98039 425-688-9965 mailto: stevepr@acm.org