Table 1
Observational circumstances.
| PAB (J2000) | ||||||||
| Date | λ | β | α | r | Δ | Instrument | References | |
| (UT) | (°) | (°) | (°) | (AU) | (AU) | |||
|
|
||||||||
| 2003 Mar. 11.9 | 165.9 | +8.5 | 4.7 | 2.5033 | 1.5231 | HST | Lamy et al. (2006) | |
| 2005 May 10.2 | 233.8 | –0.3 | 0.9 | 5.5994 | 4.5923 | NTT | Lowry et al. (2012) | |
| 2005 May 12.2 | 233.6 | –0.3 | 0.5 | 5.6017 | 4.5921 | NTT | Lowry et al. (2012) | |
| 2005 May 14.2 | 233.5 | –0.4 | 0.1 | 5.6039 | 4.5932 | NTT | Lowry et al. (2012) | |
| 2006 May 26.2 | 250.7 | –2.6 | 1.3 | 5.6199 | 4.6134 | VLT | Tubiana et al. (2008) | |
| 2006 May 31.2 | 250.4 | –2.6 | 0.6 | 5.6145 | 4.6019 | VLT | Tubiana et al. (2008) | |
| 2006 Jun. 01.2 | 250.3 | –2.6 | 0.5 | 5.6135 | 4.6005 | VLT | Tubiana et al. (2008) | |
| 2007 Jul. 17.1 | 269.0 | –5.3 | 6.0 | 4.6347 | 3.7168 | NTT | Lowry et al. (2012) | |
| 2007 Jul. 17.2 | 269.0 | –5.3 | 6.0 | 4.6347 | 3.7168 | VLT | Tubiana et al. (2008) | |
| 2007 Jul. 20.1 | 268.8 | –5.3 | 6.7 | 4.6234 | 3.7289 | NTT | Lowry et al. (2012) | |
| 2014 Mar. 23.4 | 263.1 | +1.8 | 32.6 | 4.2866 | 0.0330 | NAC | This work | |
| 2014 Apr. 03.3 | 263.5 | +1.7 | 33.4 | 4.2376 | 0.0280 | NAC | This work | |
| 2014 Apr. 18.4 | 264.2 | +1.6 | 34.4 | 4.1696 | 0.0214 | NAC | This work | |
| 2014 Apr. 24.4 | 264.5 | +1.6 | 34.8 | 4.1398 | 0.0186 | NAC | This work | |
| 2014 May 27.8 | 266.8 | +0.8 | 35.3 | 3.9772 | 0.0048 | NAC | This work | |
| 2014 Jun. 07.2 | 268.1 | +0.2 | 34.3 | 3.9248 | 0.0024 | NAC | This work | |
| 2014 Jun. 12.2 | 268.6 | +0.0 | 34.1 | 3.8980 | 0.0018 | NAC | This work | |
| 2014 Jun. 20.9 | 270.0 | –0.4 | 32.7 | 3.8533 | 0.0010 | WAC | This work | |
Notes. The date refers to the UT of the mid-time of the respective series of observations. λ and β are the ecliptic J2000 coordinates of the PAB. α is the solar phase angle (Sun-Target-Observer). r and Δ are the heliocentric and observer ranges of 67P, respectively. HST = Hubble Space Telescope; NTT = New Technology Telescope, La Silla, Chile; VLT = Very Large Telescope, Paranal, Chile; NAC = OSIRIS Narrow Angle Camera; WAC = OSIRIS Wide Angle Camera.
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