EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 501 / No 1 (July I 2009) A&A, 501 1 (2009) 359-366 Full HTML
Free Access
   

Table 1:

Log of H2O observations and production rates in comet C/2001 Q4 (NEAT) (average of AC1 and AC2+AOS data until 13 April).

UT date		 $\langle r_{h}\rangle$ $\langle \Delta\rangle$ Int. time $\int T_b{\rm d}v^*$ Velocity offset Offset $Q_{\rm app H_2O}$
[mm/dd.ddd] [AU] [AU] [min] [K km s-1] [km s-1] [ $^{\prime\prime}$] [1028 molec. s-1 ]
2004/03/06.552 1.519 1.734 2 $1.99\pm0.54$ $-0.18\pm0.30$ 51 $17.90\pm5.54$
06.571     28 $2.61\pm0.16$ $-0.01\pm0.06$ 17 $17.77\pm1.32$
06.631   1.733 96 $2.66\pm0.12$ $+0.07\pm0.04$ 17 $18.13\pm0.97$
2004/03/15.595 1.413 1.535 2 $2.11\pm0.48$ $+0.46\pm0.25$ 63 $17.95\pm4.81$
15.611     30 $2.94\pm0.16$ $+0.03\pm0.07$ 18 $16.09\pm1.12$
15.656 1.412 1.534 7 $3.12\pm0.32$ $+0.27\pm0.10$ 9 $16.71\pm2.12$
15.671     90 $3.01\pm0.10$ $+0.20\pm0.04$ 18 $16.58\pm0.70$
2004/03/24.522 1.312 1.321 30 $3.96\pm0.20$ $+0.14\pm0.06$ 20 $17.93\pm1.15$
24.528     8 $4.19\pm0.31$ $+0.06\pm0.08$ 17 $19.19\pm1.78$
24.560   1.320 3 $2.43\pm0.52$ $-0.23\pm0.24$ 69 $17.78\pm4.64$
24.581 1.311 1.319 93 $3.77\pm0.10$ $+0.22\pm0.03$ 19 $16.70\pm0.58$
24.650     100 $3.87\pm0.10$ $+0.16\pm0.03$ 19 $17.29\pm0.60$
2004/04/02.559 1.217 1.089 31 $5.37\pm0.17$ $+0.24\pm0.04$ 24 $18.52\pm0.79$
02.568 1.216 1.088 16 $5.80\pm0.24$ $+0.23\pm0.05$ 33 $21.99\pm1.20$
02.608     20 $6.78\pm0.23$ $+0.20\pm0.04$ 21 $24.71\pm1.15$
02.615   1.087 17 $5.55\pm0.25$ $+0.23\pm0.05$ 25 $19.44\pm1.16$
02.625     31 $6.09\pm0.18$ $+0.14\pm0.04$ 24 $21.79\pm0.85$
02.635     14 $5.04\pm0.26$ $+0.27\pm0.06$ 24 $16.98\pm1.16$
02.643   1.086 19 $4.44\pm0.22$ $-0.04\pm0.06$ 29 $14.92\pm0.97$
02.692 1.215 1.085 8 $5.13\pm0.38$ $+0.19\pm0.08$ 23 $17.19\pm1.67$
2004/04/13.536 1.114 0.792 15 $11.33\pm0.27$ $+0.14\pm0.03$ 29 $29.12\pm0.98$
13.541     15 $10.41\pm0.27$ $+0.12\pm0.03$ 39 $28.33\pm1.06$
13.594 1.113 0.791 8 $12.46\pm0.41$ $+0.25\pm0.05$ 17 $30.81\pm1.47$
13.607     80 $10.14\pm0.11$ $+0.11\pm0.01$ 21 $23.39\pm0.35$
13.611     32 $9.94\pm0.18$ $+0.11\pm0.02$ 21 $22.77\pm0.57$
13.629   0.790 21 $9.01\pm0.23$ $+0.15\pm0.03$ 31 $21.42\pm0.76$
13.672   0.789 21 $8.68\pm0.23$ $+0.18\pm0.03$ 36 $21.24\pm0.78$
13.679     68 $5.51\pm0.11$ $+0.18\pm0.03$ 73 $19.17\pm0.42$
13.688   0.788 9 $3.32\pm0.35$ $+0.35\pm0.14$ 107 $19.10\pm2.49$
2004/04/26.682 1.019 0.454 38 $18.87\pm0.21$ $+0.15\pm0.02$ 30 $23.68\pm0.40$
26.745 1.019 0.452 48 $19.14\pm0.17$ $+0.16\pm0.02$ 32 $24.45\pm0.34$
26.811 1.018 0.451 48 $18.43\pm0.15$ $+0.16\pm0.02$ 31 $22.75\pm0.30$
26.878 1.018 0.449 48 $18.88\pm0.16$ $+0.14\pm0.02$ 30 $23.25\pm0.32$
26.947 1.018 0.448 48 $19.66\pm0.16$ $+0.17\pm0.01$ 29 $24.52\pm0.31$
27.012 1.017 0.446 48 $19.60\pm0.17$ $+0.15\pm0.02$ 27 $23.71\pm0.33$
27.080 1.017 0.445 48 $19.68\pm0.15$ $+0.18\pm0.01$ 29 $24.12\pm0.28$
27.138 1.017 0.444 30 $21.70\pm0.28$ $+0.19\pm0.02$ 27 $27.61\pm0.57$
27.214 1.016 0.442 48 $21.00\pm0.13$ $+0.16\pm0.01$ 29 $26.53\pm0.26$
27.259 1.016 0.441 0.3 $18.55\pm1.40$ $+0.13\pm0.10$ 50 $26.97\pm3.05$
27.395 1.015 0.438 1 $15.97\pm0.98$ $+0.19\pm0.11$ 47 $20.54\pm1.90$
2004/04/29.962 1.002 0.388 49 $22.17\pm0.19$ $+0.12\pm0.02$ 45 $26.87\pm0.35$
30.029 1.002 0.386 49 $21.33\pm0.17$ $+0.14\pm0.02$ 45 $25.12\pm0.32$
30.096 1.001 0.385 49 $20.64\pm0.17$ $+0.11\pm0.02$ 44 $23.46\pm0.30$
30.163 1.001 0.384 49 $21.24\pm0.17$ $+0.15\pm0.01$ 41 $23.64\pm0.30$
30.230 1.000 0.383 49 $21.34\pm0.16$ $+0.14\pm0.01$ 42 $23.97\pm0.28$
30.297 1.000 0.381 49 $20.84\pm0.17$ $+0.13\pm0.02$ 42 $22.87\pm0.30$
30.364 1.000 0.380 48 $22.43\pm0.16$ $+0.19\pm0.01$ 46 $26.75\pm0.32$
30.431 1.000 0.379 48 $23.07\pm0.16$ $+0.15\pm0.01$ 46 $27.89\pm0.33$
30.498 0.999 0.378 48 $25.52\pm0.18$ $+0.19\pm0.01$ 45 $32.32\pm0.37$
2004/05/01.617 0.994 0.359 2 $6.27\pm0.76$ $+0.23\pm0.21$ 168 $25.22\pm3.86$
01.704 0.994 0.359 45 $22.66\pm0.19$ $+0.15\pm0.02$ 50 $25.99\pm0.35$
01.771 0.994 0.358 46 $22.11\pm0.19$ $+0.18\pm0.02$ 50 $24.92\pm0.35$
01.838 0.993 0.357 46 $22.23\pm0.19$ $+0.21\pm0.02$ 51 $25.32\pm0.36$
01.905 0.993 0.356 46 $21.68\pm0.18$ $+0.16\pm0.02$ 51 $24.22\pm0.32$
01.970 0.993 0.355 42 $22.29\pm0.19$ $+0.18\pm0.02$ 52 $25.52\pm0.35$
02.039 0.992 0.354 46 $23.43\pm0.19$ $+0.15\pm0.02$ 52 $27.47\pm0.36$
02.106 0.992 0.353 46 $25.64\pm0.18$ $+0.14\pm0.01$ 53 $32.03\pm0.37$
02.173 0.992 0.353 46 $26.55\pm0.21$ $+0.12\pm0.01$ 54 $34.45\pm0.45$
02.240 0.992 0.352 46 $26.12\pm0.18$ $+0.15\pm0.01$ 53 $32.93\pm0.38$
02.307 0.991 0.351 46 $25.23\pm0.19$ $+0.13\pm0.01$ 52 $30.52\pm0.38$
02.374 0.991 0.350 45 $23.72\pm0.18$ $+0.11\pm0.01$ 53 $27.84\pm0.36$
02.442 0.991 0.349 49 $23.48\pm0.17$ $+0.15\pm0.01$ 48 $25.66\pm0.31$
02.510 0.990 0.348 50 $22.21\pm0.16$ $+0.14\pm0.01$ 49 $23.60\pm0.27$
02.556 0.990 0.348 0.3 $22.72\pm1.61$ $+0.22\pm0.10$ 54 $26.04\pm2.94$
02.715 0.990 0.346 25 $21.39\pm0.20$ $+0.19\pm0.02$ 50 $22.31\pm0.34$

Log of H2O observations and production rates in comet C/2001 Q4 (NEAT) (AOS data only after 13 April) - cont.

UT date		 $\langle r_{h}\rangle$ $\langle \Delta\rangle$ Int. time $\int T_b{\rm d}v^*$ Velocity offset Offset $Q_{\rm app H_2O}$
[mm/dd.ddd] [AU] [AU] [min] [K km s-1] [km s-1] [ $^{\prime\prime}$] [1028 molec. s-1 ]
02.778 0.989 0.345 50 $23.52\pm0.15$ $+0.13\pm0.01$ 50 $25.81\pm0.27$
02.845 0.989 0.344 49 $24.56\pm0.16$ $+0.15\pm0.01$ 51 $27.90\pm0.30$
02.896 0.989 0.344 10 $24.44\pm0.37$ $+0.21\pm0.03$ 54 $28.80\pm0.71$
2004/05/15.858 0.962 0.432 13 $7.07\pm0.26$ $+0.00\pm0.05$ 140 $29.25\pm1.51$
15.919   0.434 13 $8.42\pm0.30$ $+0.14\pm0.05$ 121 $23.64\pm0.87$
15.923   0.434 13 $13.13\pm0.34$ $+0.03\pm0.04$ 78 $26.97\pm1.27$
15.986   0.435 5 $19.05\pm0.56$ $+0.13\pm0.05$ 23 $21.10\pm0.99$
15.986   0.435 15 $13.40\pm0.23$ $+0.15\pm0.02$ 65 $19.84\pm0.51$
15.986   0.435 12 $4.95\pm0.45$ $+0.07\pm0.08$ 123 $14.20\pm1.42$
16.056   0.437 25 $7.13\pm0.18$ $+0.11\pm0.03$ 122 $22.25\pm0.75$
16.057   0.437 13 $16.05\pm0.37$ $+0.04\pm0.04$ 62 $24.95\pm0.86$
16.120   0.439 20 $7.03\pm0.29$ $+0.06\pm0.06$ 126 $22.84\pm1.22$
2004/05/15.76-16.26 0.962 0.436 120 $3.50\pm0.10$ $+0.03\pm0.04$ 184 $24.45\pm0.81$
    0.436 83 $1.29\pm0.11$ $+0.11\pm0.08$ 231 $15.36\pm1.40$
2004/05/16.241 0.962 0.441 11 $14.12\pm0.32$ $+0.20\pm0.03$ 22 $13.72\pm0.46$
16.244 0.962 0.441 21 $16.56\pm0.19$ $+0.11\pm0.01$ 23 $17.42\pm0.31$

* Line intensity corrected for beam losses (converted into main beam brightness temperature) and integrated over its width.


Source LaTeX | All tables | In the text

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.