Free Access

Table 4

Intensities given in ADU (analog-to-digital units) and measured line ratios for the three forbidden oxygen lines in the spectra of each comet.

Comet JD – 2 450 000.5 r (AU) Intensity (ADU)
5577.339 Å 6300.304 Å 6363.776 Å

C/2002 V1 (NEAT) 2647.037 1.22 2348 27 539 8875 3.10 0.065
C/2002 V1 (NEAT) 2647.062 1.22 2255 26 790 8875 3.02 0.063
C/2002 V1 (NEAT) 2649.031 1.18 3220 35 672 11 704 3.05 0.068
C/2002 V1 (NEAT) 2649.056 1.18 3137 33 738 11 105 3.04 0.070
C/2002 V1 (NEAT) 2719.985 1.01 8657 68 162 22 381 3.05 0.096
C/2002 X5 (Kudo-Fujikawa) 2705.017 1.06 4016 31 491 10 589 2.97 0.095
C/2002 X5 (Kudo-Fujikawa) 2705.039 1.07 4430 32 822 10 997 2.98 0.101
C/2002 X5 (Kudo-Fujikawa) 2705.060 1.07 4249 32 510 10 816 3.01 0.098
C/2002 Y1 (Juels-Holvorcem) 2788.395 1.14 6223 50 960 17 387 2.93 0.091
C/2002 Y1 (Juels-Holvorcem) 2788.416 1.14 6386 54 683 18 167 3.01 0.088
C/2002 Y1 (Juels-Holvorcem) 2789.394 1.16 3942 25 792 8659 2.98 0.114
C/2002 Y1 (Juels-Holvorcem) 2789.415 1.16 4254 31 262 10 398 3.01 0.102
C/2001 Q4 (NEAT) 2883.293 3.73 143 324 110 2.95 0.329
C/2001 Q4 (NEAT) 2883.349 3.73 151 353 110 3.22 0.326
C/2001 Q4 (NEAT) 2889.236 3.67 354 112 3.17
C/2001 Q4 (NEAT) 2889.320 3.66 261 677 193 3.51 0.300
C/2002 T7 (LINEAR) 3131.421 0.68 116 522 642 304 211 120 3.04 0.137
C/2002 T7 (LINEAR) 3151.976 0.94 50 544 365 664 104 187 3.51 0.108
C/2002 T7 (LINEAR) 3152.036 0.94 40 165 327 184 96 554 3.39 0.095
C/2003 K4 (LINEAR) 3131.342 2.61 464 3609 1172 3.08 0.097
C/2003 K4 (LINEAR) 3132.343 2.59 561 5027 1607 3.13 0.085
C/2003 K4 (LINEAR) 3329.344 1.20 9244 947 23 29 640 3.20 0.074
9P/Tempel 1 3553.955 1.51 230 3178 1039 3.06 0.054
9P/Tempel 1 3554.954 1.51 172 3153 1051 3.00 0.041
9P/Tempel 1 3555.955 1.51 3894 1297 3.00
9P/Tempel 1 3557.007 1.51 341 5618 1842 3.05 0.046
9P/Tempel 1 3557.955 1.51 223 5154 1595 3.23 0.033
9P/Tempel 1 3558.952 1.51 277 5267 1629 3.23 0.040
9P/Tempel 1 3559.954 1.51 291 4618 1440 3.21 0.048
9P/Tempel 1 3560.952 1.51 388 4984 1571 3.17 0.059
9P/Tempel 1 3561.953 1.51 211 4281 1347 3.18 0.037
9P/Tempel 1 3562.956 1.51 142 4162 1281 3.25 0.026
73P-C/Schwassmann-Wachmann 3 3 882.367 0.95 16 505 115 170 35 526 3.24 0.110
73P-B/Schwassmann-Wachmann 3 3 898.369 0.94 4890 33 987 11 226 3.03 0.108
8P/Tuttle 4481.021 1.04 1779 28 517 9385 3.04 0.047
8P/Tuttle 4493.018 1.03 4437 74 360 24 565 3.03 0.045
8P/Tuttle 4500.017 1.03 4179 64 979 21 424 3.03 0.048
103P/Hartley 2 5505.288 1.06 45 373 120 3.12 0.092
103P/Hartley 2 5505.328 1.06 50 456 144 3.22 0.100
103P/Hartley 2 5510.287 1.07 51 390 121 3.24 0.073
103P/Hartley 2 5510.328 1.07 41 425 131 3.17 0.083
103P/Hartley 2 5511.363 1.08 48 395 125 3.17 0.093
C/2009 P1 (Garradd) 5692.383 3.25 180 652 224 2.92 0.205
C/2009 P1 (Garradd) 5727.322 2.90 129 693 205 3.38 0.143
C/2009 P1 (Garradd) 5767.278 2.52 1110 8276 2652 3.12 0.102
C/2009 P1 (Garradd) 5813.991 2.09 1594 17 035 5666 3.01 0.070
C/2009 P1 (Garradd) 5814.974 2.08 1571 16 873 5489 3.07 0.070
C/2009 P1 (Garradd) 5815.982 2.07 1506 17 557 5780 3.04 0.065

Notes.For the third spectrum of comets C/2001 Q4 and 9P, the green line could not be measured because of a contamination by a cosmic ray.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.