Table 3
Log of the IRAM-30m observations of 29P.
| Date (UT) dd.dd/mm/yyyy | rh (au) | ∆ (au) | τ(a) | Int. (min) | Mode | Lines | mR(b) | ∆Toutburst(c) (day) |
|---|---|---|---|---|---|---|---|---|
| 29.80–29.83/12/2007 | 5.981 | 5.009 | 0.1 | 42 | FSW | CO J(2−1), HCN J(1−0) | 15 ± 1(d) | 0.2(A) |
| 30.80–30.83/12/2007 | 5.981 | 5.012 | 0.1 | 36 | FSW | CO J(2−1) | 13.0 | 1.2(A) |
| 31.81–31.82/12/2007 | 5.981 | 5.014 | 0.07 | 12 | FSW | CO J(2−1), HCN J(1−0) | 13.1 | 2.2(A) |
| 12.04–12.07/02/2010 | 6.194 | 5.207 | 0.08 | 32 | WSW | CO J(2−1), HCN J(1−0) | 13.0 | 9.6(C) |
| 17.84–17.90/04/2010 | 6.206 | 5.795 | 0.4 | 56 | WSW | CO J(2−1), HCN J(1−0) | 12.9 | 1.8(D) |
| 30.74–30.84/04/2010 | 6.208 | 5.999 | 0.57 | 70 | WSW | CO J(2−1), HCN J(1−0) | 15.2 | 15(D) |
| 22.61–22.67/05/2010 | 6.212 | 6.347 | 0.48 | 66 | WSW | CO J(2−1), HCN J(1−0) | 15.5 | 37(D), 17(E) |
| 28.75–28.80/05/2010 | 6.213 | 6.442 | 0.4–1.1 | 42 | WSW | CO J(2−1), HCN J(1−0) | 14.7 | 43(D), 23(E) |
| 4.4(F) | ||||||||
| 11.16–11.21/01/2011 | 6.245 | 5.697 | 0.22 | 50 | WSW | CO J(2−1), HCN J(1−0) | 16.6 | >93 |
| 13.92–13.96/11/2021 | 5.930 | 5.017 | 0.24 | 45 | WSW+FSW | CO J(2−1), HCN J(1−0) | 16.1 | 47(G), 21(H) |
| 10(I) | ||||||||
| 14.92–14.97/11/2021 | 5.931 | 5.011 | 0.10 | 46 | PSW+FSW | CO J(2−1), HCN J(1−0) | 16.0 | 48(G), 22(H) |
| 11(I) | ||||||||
| 15.98–15.99/11/2021 | 5.931 | 5.006 | 0.08 | 12 | FSW | CO J(2−1), CH3OH J(5−4) | 16.1 | 49(G), 23(H) |
| 12(I) |
Notes. (a)Atmospheric opacity at 225 GHz. (b)Nuclear red magnitude in a 10″-diameter aperture. (c)Time after outbursts listed in Table 5, with the label given within the brackets. (d)Interpolated from the reported nuclear magnitudes of 15.9 on 28.97 December 2007, and 14.0 on 29.91 December 2007.
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