Table A.1

Log of VIRTIS-H observations and retrieved dust spectral and temperature properties.

Obs Id Start time Date(a) rh Δ(S/C) Phase Elevation A Tcol Sheat
(UT) (d) (AU) (km) (°) (km) (%/100 nm) (K) (10−3 W m−2 sr−1 μm−1)
00391950069 2015-06-03T10:58:03.3 –70.63 1.504 227 89.0 1.91 0.073 ± 0.002 1.8 ± 0.2 265.4 ± 1.8 1.171 ± 0.008 1.78 1.58
00391950069 2015-06-03T10:58:03.3 –70.63 1.504 227 89.0 2.65 0.078 ± 0.002 1.6 ± 0.2 264.9 ± 2.4 1.169 ± 0.011 1.93 1.63
00391966054 2015-06-03T15:24:28.3 –70.45 1.503 223 88.9 2.46 0.069 ± 0.002 2.0 ± 0.2 263.0 ± 1.8 1.160 ± 0.008 1.42 1.21
00392047400 2015-06-04T14:00:13.7 –69.50 1.497 210 87.5 1.05 0.062 ± 0.001 2.2 ± 0.1 270.0 ± 1.6 1.188 ± 0.007 3.08 3.42
00392133980 2015-06-05T14:03:13.8 –68.50 1.491 202 86.7 1.19 0.059 ± 0.002 2.3 ± 0.3 269.3 ± 2.6 1.183 ± 0.012 2.39 2.56
00392149940 2015-06-05T18:29:13.9 –68.32 1.490 201 87.0 3.08 0.077 ± 0.004 1.5 ± 0.2 268.8 ± 2.6 1.180 ± 0.012 2.24 1.97
00392544799 2015-06-10T08:10:13.0 –63.75 1.462 228 89.4 1.23 0.075 ± 0.002 2.1 ± 0.2 275.4 ± 2.0 1.198 ± 0.009 3.02 3.22
00392544799 2015-06-10T08:10:13.0 –63.75 1.462 228 89.4 2.31 0.091 ± 0.003 2.1 ± 0.2 273.5 ± 2.6 1.189 ± 0.011 1.85 1.57
00392813275 2015-06-13T10:44:49.8 –60.64 1.443 198 87.9 1.12 0.056 ± 0.001 2.0 ± 0.1 271.7 ± 1.1 1.174 ± 0.005 2.57 3.32
00392813275 2015-06-13T10:44:49.8 –60.64 1.443 198 87.9 1.80 0.065 ± 0.001 1.4 ± 0.1 272.0 ± 1.6 1.175 ± 0.007 2.82 3.29
00392830007 2015-06-13T15:23:40.9 –60.45 1.442 198 87.7 1.61 0.057 ± 0.001 1.7 ± 0.1 274.1 ± 0.9 1.184 ± 0.004 2.68 3.92
00392830007 2015-06-13T15:23:40.9 –60.45 1.442 198 87.7 2.74 0.065 ± 0.002 1.9 ± 0.2 266.0 ± 1.5 1.149 ± 0.006 1.56 1.53
00393454477 2015-06-20T20:51:31.4 –53.22 1.401 176 89.2 1.56 0.060 ± 0.001 1.9 ± 0.1 277.1 ± 0.9 1.180 ± 0.004 3.09 4.38
00393470172 2015-06-21T01:13:06.4 –53.04 1.400 175 89.5 1.28 0.067 ± 0.001 2.1 ± 0.1 279.7 ± 0.7 1.190 ± 0.003 3.03 4.05
00393490666 2015-06-21T06:54:40.3 –52.80 1.399 174 89.5 1.11 0.065 ± 0.001 2.3 ± 0.1 280.1 ± 1.3 1.191 ± 0.005 2.58 3.50
00393490666 2015-06-21T06:54:40.3 –52.80 1.399 174 89.5 1.66 0.066 ± 0.001 2.1 ± 0.1 278.4 ± 1.1 1.184 ± 0.005 2.71 3.65
00393508212 2015-06-21T11:47:06.3 –52.60 1.397 174 89.3 1.50 0.070 ± 0.001 2.2 ± 0.1 277.8 ± 1.0 1.181 ± 0.004 2.53 3.08
00393526856 2015-06-21T16:57:50.4 –52.38 1.396 174 89.1 1.38 0.077 ± 0.001 2.0 ± 0.1 282.1 ± 1.2 1.199 ± 0.005 2.81 3.42
00393526856 2015-06-21T16:57:50.4 –52.38 1.396 174 89.1 2.08 0.077 ± 0.001 1.8 ± 0.1 279.3 ± 1.2 1.187 ± 0.005 3.20 3.65
00393883219 2015-06-25T19:57:13.3 –48.26 1.375 164 89.5 3.21 0.072 ± 0.002 2.2 ± 0.1 271.1 ± 1.8 1.143 ± 0.007 2.45 2.47
00394131656 2015-06-28T16:57:50.7 –45.38 1.361 170 88.8 3.69 0.060 ± 0.001 2.8 ± 0.1 270.7 ± 1.4 1.136 ± 0.006 1.48 1.78
00394139478 2015-06-28T19:08:12.7 –45.29 1.360 169 89.1 1.39 0.057 ± 0.002 2.6 ± 0.3 272.9 ± 2.3 1.145 ± 0.010 2.40 3.29
00394139478 2015-06-28T19:08:12.7 –45.29 1.360 169 89.1 2.50 0.063 ± 0.003 2.4 ± 0.3 271.8 ± 2.5 1.140 ± 0.010 1.91 2.05
00394150039 2015-06-28T22:04:13.5 –45.17 1.360 167 88.6 1.69 0.059 ± 0.001 2.6 ± 0.2 278.5 ± 1.6 1.168 ± 0.007 2.58 3.84
00394150039 2015-06-28T22:04:13.5 –45.17 1.360 167 88.6 2.42 0.066 ± 0.002 2.0 ± 0.2 279.3 ± 1.5 1.171 ± 0.006 2.05 2.74
00394150039 2015-06-28T22:04:13.5 –45.17 1.360 167 88.6 3.29 0.062 ± 0.002 2.5 ± 0.3 271.1 ± 2.0 1.137 ± 0.008 1.65 1.92
00394150039 2015-06-28T22:04:13.5 –45.17 1.360 167 88.6 4.13 0.063 ± 0.003 3.2 ± 0.3 270.3 ± 3.4 1.134 ± 0.014 1.39 1.60
00394167859 2015-06-29T03:01:13.5 –44.96 1.359 165 88.7 1.38 0.066 ± 0.002 2.2 ± 0.3 281.5 ± 2.2 1.180 ± 0.009 2.39 3.41
00394167859 2015-06-29T03:01:13.5 –44.96 1.359 165 88.7 2.05 0.066 ± 0.001 2.0 ± 0.1 279.3 ± 1.2 1.171 ± 0.005 2.92 3.95
00394167859 2015-06-29T03:01:13.5 –44.96 1.359 165 88.7 2.91 0.071 ± 0.002 2.1 ± 0.2 278.2 ± 1.7 1.167 ± 0.007 2.33 2.85
00394167859 2015-06-29T03:01:13.5 –44.96 1.359 165 88.7 3.71 0.061 ± 0.002 2.9 ± 0.2 270.1 ± 1.8 1.132 ± 0.008 1.81 2.03
00394373257 2015-07-01T12:00:58.0 –42.58 1.347 157 89.4 0.75 0.056 ± 0.001 2.1 ± 0.2 284.4 ± 1.1 1.188 ± 0.005 4.36 7.98
00394385468 2015-07-01T15:24:33.1 –42.44 1.347 158 89.8 1.08 0.050 ± 0.001 2.0 ± 0.2 286.6 ± 1.0 1.196 ± 0.004 4.42 9.58
00394406257 2015-07-01T21:10:58.1 –42.20 1.346 157 89.6 0.78 0.054 ± 0.001 1.9 ± 0.2 279.8 ± 1.4 1.168 ± 0.006 2.53 4.37
00394464774 2015-07-02T13:26:15.2 –41.53 1.343 161 89.4 1.00 0.064 ± 0.001 2.3 ± 0.2 287.3 ± 1.4 1.197 ± 0.006 4.15 7.04
00394464774 2015-07-02T13:26:15.2 –41.53 1.343 161 89.4 3.52 0.076 ± 0.003 2.5 ± 0.3 277.0 ± 2.7 1.155 ± 0.011 1.96 2.09
00394479831 2015-07-02T17:37:16.0 –41.35 1.342 163 89.7 1.13 0.057 ± 0.001 2.5 ± 0.2 287.1 ± 1.4 1.196 ± 0.006 3.24 5.76
00394479831 2015-07-02T17:37:16.0 –41.35 1.342 163 89.7 3.48 0.090 ± 0.004 1.5 ± 0.4 289.1 ± 2.5 1.205 ± 0.010 1.38 1.75
00394809023 2015-07-06T13:03:44.9 –37.54 1.325 154 89.4 1.39 0.062 ± 0.001 1.7 ± 0.3 282.2 ± 1.3 1.168 ± 0.005 2.06 3.29
00394827416 2015-07-06T18:10:17.1 –37.33 1.324 153 89.5 2.67 0.071 ± 0.001 1.5 ± 0.2 282.7 ± 1.1 1.170 ± 0.005 2.59 3.56
00394827416 2015-07-06T18:10:17.1 –37.33 1.324 153 89.5 3.91 0.072 ± 0.002 1.7 ± 0.3 283.1 ± 2.6 1.172 ± 0.011 1.06 1.58
00394845296 2015-07-06T23:08:17.0 –37.12 1.323 152 89.3 2.49 0.062 ± 0.001 2.0 ± 0.2 283.3 ± 0.8 1.172 ± 0.003 3.19 4.95
00394845296 2015-07-06T23:08:17.0 –37.12 1.323 152 89.3 3.96 0.076 ± 0.002 1.5 ± 0.3 285.5 ± 2.0 1.181 ± 0.008 1.14 1.64
00395011055 2015-07-08T21:11:00.3 –35.20 1.316 150 89.9 1.16 0.069 ± 0.001 2.0 ± 0.1 291.6 ± 1.0 1.203 ± 0.004 3.55 6.20
00395322550 2015-07-12T11:46:52.6 –31.60 1.302 153 89.2 0.97 0.028 ± 0.000 2.8 ± 0.1 267.0 ± 0.3 1.096 ± 0.001 4.12 9.51
00395676955 2015-07-16T14:09:16.5 –27.50 1.288 168 89.5 1.96 0.083 ± 0.001 1.9 ± 0.2 292.6 ± 1.5 1.195 ± 0.006 3.31 4.82
00395676955 2015-07-16T14:09:16.5 –27.50 1.288 168 89.5 3.19 0.079 ± 0.003 2.9 ± 0.3 286.0 ± 2.3 1.167 ± 0.009 1.92 2.37
00395742154 2015-07-17T08:15:55.9 –26.74 1.286 177 89.7 1.38 0.077 ± 0.001 2.1 ± 0.2 294.7 ± 1.3 1.202 ± 0.005 2.39 4.09
00396199623 2015-07-22T15:23:57.9 –21.45 1.271 169 88.6 1.53 0.073 ± 0.001 2.1 ± 0.1 298.4 ± 0.9 1.210 ± 0.004 6.31 11.86
00396220410 2015-07-22T21:10:24.7 –21.21 1.270 170 88.7 1.42 0.072 ± 0.001 2.3 ± 0.1 294.6 ± 0.8 1.194 ± 0.003 4.26 7.53
00396826054 2015-07-29T21:20:59.8 –14.20 1.255 178 89.8 2.47 0.074 ± 0.001 2.1 ± 0.2 295.0 ± 1.0 1.189 ± 0.004 3.07 5.42
00396842044 2015-07-30T01:47:25.8 –14.01 1.255 177 89.7 1.99 0.073 ± 0.001 2.5 ± 0.1 294.7 ± 1.0 1.188 ± 0.004 2.87 4.94
00397038715 2015-08-01T08:25:16.8 –11.73 1.252 214 89.5 1.44 0.067 ± 0.001 2.8 ± 0.2 291.3 ± 1.6 1.172 ± 0.007 3.44 6.13
00397139303 2015-08-02T12:25:17.5 –10.57 1.250 205 89.3 3.35 0.100 ± 0.001 2.0 ± 0.1 293.1 ± 1.3 1.179 ± 0.005 4.83 5.90
00397139303 2015-08-02T12:25:17.5 –10.57 1.250 205 89.3 6.20 0.105 ± 0.002 2.2 ± 0.1 288.7 ± 1.6 1.161 ± 0.007 3.98 4.11
00397849779 2015-08-10T17:35:55.8 –2.35 1.244 319 89.2 5.02 0.097 ± 0.002 2.0 ± 0.2 293.4 ± 1.4 1.177 ± 0.005 2.61 3.32
00397871165 2015-08-10T23:32:29.0 –2.10 1.244 322 89.4 4.74 0.095 ± 0.002 1.6 ± 0.2 293.8 ± 1.5 1.179 ± 0.006 2.18 2.92
00397885968 2015-08-11T03:39:04.9 –1.93 1.243 325 89.5 5.15 0.111 ± 0.002 1.3 ± 0.2 299.3 ± 1.5 1.201 ± 0.006 2.29 2.96
00398347798 2015-08-16T11:56:25.1 3.42 1.244 326 89.4 1.94 0.096 ± 0.001 2.1 ± 0.1 299.9 ± 1.2 1.203 ± 0.005 4.49 6.49
00398603680 2015-08-19T11:08:06.5 6.38 1.246 329 89.7 1.70 0.081 ± 0.001 2.1 ± 0.1 298.3 ± 0.9 1.198 ± 0.003 8.23 13.82
00398619671 2015-08-19T15:34:33.4 6.56 1.246 327 89.7 1.42 0.087 ± 0.001 1.7 ± 0.1 298.1 ± 1.1 1.197 ± 0.004 6.74 10.62
00398640452 2015-08-19T21:20:58.5 6.80 1.246 325 89.8 2.45 0.093 ± 0.001 2.1 ± 0.1 299.2 ± 1.0 1.201 ± 0.004 6.31 9.30
00398714029 2015-08-20T17:47:15.4 7.66 1.247 323 89.6 3.87 0.113 ± 0.003 1.9 ± 0.2 297.5 ± 1.6 1.195 ± 0.006 2.97 3.53
00398714029 2015-08-20T17:47:15.4 7.66 1.247 323 89.6 5.92 0.099 ± 0.003 2.7 ± 0.2 289.9 ± 2.2 1.165 ± 0.009 2.05 2.39
00398714029 2015-08-20T17:47:15.4 7.66 1.247 323 89.6 7.37 0.089 ± 0.004 2.8 ± 0.3 286.0 ± 2.7 1.149 ± 0.011 1.84 1.91
00398729980 2015-08-20T22:13:06.6 7.84 1.247 324 89.6 3.50 0.130 ± 0.002 1.7 ± 0.1 304.3 ± 1.4 1.223 ± 0.006 5.64 6.63
00398986563 2015-08-23T21:29:29.5 10.81 1.251 343 86.9 2.31 0.108 ± 0.001 1.9 ± 0.1 299.2 ± 1.0 1.204 ± 0.004 5.60 7.27
00399208316 2015-08-26T10:58:13.4 13.38 1.254 410 82.7 2.42 0.101 ± 0.001 1.6 ± 0.1 295.6 ± 1.0 1.191 ± 0.004 5.95 7.79
00399392471 2015-08-28T14:07:32.5 15.51 1.258 412 72.4 4.12 0.136 ± 0.003 1.3 ± 0.2 304.2 ± 1.8 1.227 ± 0.007 4.42 4.95
00399392471 2015-08-28T14:07:32.5 15.51 1.258 412 72.4 7.44 0.144 ± 0.005 1.3 ± 0.3 304.0 ± 2.3 1.227 ± 0.009 2.95 3.04
00399392471 2015-08-28T14:07:32.5 15.51 1.258 412 72.4 10.45 0.153 ± 0.006 1.1 ± 0.3 306.9 ± 2.5 1.238 ± 0.010 2.26 2.32
00399699731 2015-09-01T03:28:32.2 19.06 1.265 413 70.3 3.88 0.128 ± 0.003 1.0 ± 0.2 303.3 ± 2.0 1.227 ± 0.008 2.48 2.94
00399720221 2015-09-01T09:10:08.7 19.30 1.266 416 70.4 4.16 0.144 ± 0.003 0.6 ± 0.3 309.9 ± 1.6 1.254 ± 0.006 2.47 3.08
00399923296 2015-09-03T17:41:42.7 21.65 1.272 379 87.4 2.20 0.091 ± 0.002 2.1 ± 0.2 291.4 ± 1.5 1.182 ± 0.006 6.42 8.20
00399923296 2015-09-03T17:41:42.7 21.65 1.272 379 87.4 4.76 0.130 ± 0.003 1.9 ± 0.2 297.6 ± 2.0 1.207 ± 0.008 4.06 4.06
00399923296 2015-09-03T17:41:42.7 21.65 1.272 379 87.4 7.87 0.136 ± 0.004 1.7 ± 0.2 296.2 ± 2.4 1.201 ± 0.010 2.77 2.60
00400195914 2015-09-06T21:25:16.9 24.81 1.280 339 108.4 3.47 0.088 ± 0.002 2.7 ± 0.1 282.3 ± 1.6 1.149 ± 0.007 2.11 2.34
00400216374 2015-09-07T03:06:16.9 25.04 1.281 331 109.9 3.20 0.077 ± 0.002 2.6 ± 0.2 279.8 ± 1.5 1.139 ± 0.006 1.95 2.22
00400232094 2015-09-07T07:28:16.8 25.23 1.282 326 111.1 3.18 0.093 ± 0.002 2.5 ± 0.1 284.8 ± 1.3 1.160 ± 0.005 2.10 2.33
00400252549 2015-09-07T13:09:16.0 25.46 1.282 322 112.4 3.12 0.090 ± 0.003 2.7 ± 0.2 282.9 ± 2.2 1.152 ± 0.009 1.88 2.04
00400407713 2015-09-09T08:15:16.0 27.26 1.288 331 119.2 1.64 0.101 ± 0.002 2.7 ± 0.1 296.1 ± 1.5 1.209 ± 0.006 5.73 7.20
00400433767 2015-09-09T15:29:34.0 27.56 1.289 323 119.6 2.12 0.086 ± 0.002 2.8 ± 0.1 282.8 ± 1.2 1.155 ± 0.005 2.98 3.33
00400470243 2015-09-10T01:37:26.0 27.98 1.290 317 120.0 2.89 0.078 ± 0.003 3.3 ± 0.2 273.6 ± 2.5 1.118 ± 0.010 1.67 1.71
00400470243 2015-09-10T01:37:26.0 27.98 1.290 317 120.0 5.36 0.102 ± 0.004 2.8 ± 0.2 275.7 ± 3.6 1.127 ± 0.015 1.93 1.53
00400748481 2015-09-13T06:54:44.2 31.20 1.301 313 109.7 2.02 0.105 ± 0.002 2.1 ± 0.1 289.5 ± 1.7 1.188 ± 0.007 3.54 3.81
00400800419 2015-09-13T21:20:26.1 31.80 1.303 310 105.0 3.95 0.106 ± 0.003 2.2 ± 0.2 285.6 ± 2.0 1.173 ± 0.008 2.41 2.32
00400800419 2015-09-13T21:20:26.1 31.80 1.303 310 105.0 6.00 0.129 ± 0.004 1.9 ± 0.2 288.4 ± 2.3 1.184 ± 0.010 2.30 1.91
00401664583 2015-09-23T21:16:05.4 41.80 1.344 405 71.1 3.03 0.185 ± 0.004 −0.7 ± 0.2 316.3 ± 1.6 1.319 ± 0.007 2.50 2.78
00401701357 2015-09-24T07:28:56.0 42.22 1.346 459 65.2 3.52 0.099 ± 0.002 1.5 ± 0.2 285.7 ± 1.9 1.193 ± 0.008 2.24 2.54
00401717336 2015-09-24T11:55:21.3 42.41 1.347 487 62.9 3.41 0.122 ± 0.003 0.7 ± 0.2 291.9 ± 1.7 1.219 ± 0.007 2.47 2.63
00401738122 2015-09-24T17:41:48.0 42.65 1.348 522 60.8 4.07 0.134 ± 0.003 0.8 ± 0.3 300.4 ± 1.7 1.255 ± 0.007 1.92 2.16
00402248260 2015-09-30T15:24:09.1 48.55 1.377 1423 50.4 8.13 0.132 ± 0.008 1.3 ± 0.5 290.9 ± 4.4 1.228 ± 0.018 1.18 1.10
00402853234 2015-10-07T15:26:52.9 55.55 1.415 632 59.7 4.05 0.129 ± 0.005 1.2 ± 0.3 285.4 ± 2.6 1.221 ± 0.011 2.29 1.84
00403431934 2015-10-14T08:11:53.0 62.25 1.453 492 64.4 1.35 0.075 ± 0.002 1.2 ± 0.2 270.0 ± 1.7 1.171 ± 0.007 4.15 3.93
00403604772 2015-10-16T08:12:34.7 64.25 1.466 447 65.6 3.49 0.141 ± 0.006 0.9 ± 0.3 287.8 ± 2.8 1.253 ± 0.012 1.18 1.31
00403625558 2015-10-16T13:59:00.8 64.49 1.467 445 65.8 3.77 0.128 ± 0.005 0.6 ± 0.3 284.1 ± 2.4 1.238 ± 0.011 1.90 1.63
00403641546 2015-10-16T18:25:25.9 64.68 1.468 444 66.1 3.44 0.124 ± 0.005 1.0 ± 0.2 283.5 ± 2.6 1.235 ± 0.011 1.59 1.34
00403881574 2015-10-19T13:05:53.2 67.45 1.485 423 64.4 6.01 0.075 ± 0.007 2.3 ± 0.4 259.8 ± 6.0 1.139 ± 0.026 1.44 1.07
00404761220 2015-10-29T17:33:45.0 77.65 1.552 285 60.0 2.64 0.120 ± 0.009 1.1 ± 0.3 275.9 ± 5.1 1.236 ± 0.023 1.75 1.26

Notes. (a) Day with respect to perihelion. (b)Radiance at 2.44 μm (from the median value between 2.38 and 2.5 μm). (c) Radiance at 4.60 μm (from the median value between 4.5 and 4.7 μm).

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