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Table 10

Molecular production rates.

UT date rh Production rate in 1026molec. s-1 
[mm/dd.d] [AU] HCN HNC CH3CN CH3OH H2CO1 CO CS HC3N OCS

C/2002 X5 (Kudo-Fujikawa) (2003)

01/13.61 0.553 1.6 ± 0.3 0.32 ± 0.10 25 ± 8  < 952
01/26.47 0.214 56.6 ± 3.0 11.3 ± 2.4 101.2 ± 8.7
01/26.51 0.214 63.8 ± 3.6 14.5 ± 1.4 80.1 ± 8.3
01/26.54 0.213 88.7 ± 5.2 19.2 ± 0.8 5.6 ± 2.2 841 ± 82 130.8 ± 5.3
01/26.58 0.212 95.5 ± 1.6 16.1 ± 1.2
01/26.61 0.212 156.0 ± 6.1 34.8 ± 5.6
03/12.72 1.184 0.19 ± 0.02  < 0.064  < 0.15 5.0 ± 1.3  < 0.19

C/2002 V1 (NEAT) (2003)

02/16.6 0.135 34.0 ± 1.0 10.0 ± 0.9  < 5.6 220 ± 60 102 ± 8  < 460
02/17.5 0.108 41.1 ± 2.5 261 ± 50  < 389  < 1075 144 ± 27  < 10.3  < 581

C/2006 P1 (McNaught) (2007)
HCN HNC CH3CN CH3OH H2CO1 CO CS HCOOH HDO

01/15.65 0.207 359 ± 42  < 37   500
01/16.54 0.228 286 ± 28 1450 590 222 ± 603 90
01/16.58 0.229 242 ± 23  ± 100  ± 110  ± 303
01/17.55 0.255 146 ± 14 16.7 ± 2.7 10.6 ± 4 645 ± 77 217 ± 33
01/17.58 0.256 142 ± 15 42903
 ± 1380

Notes. 

(1)

Assuming that H2CO comes from an extended source with scale-length 1.75 × LH2CO.

(2)

Uncertainty in the tuning: the backend may not have been properly connected to the receiver.

(3)

Marginal values.

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