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Table 4.
Residuals (O–C) related to NIMAv8 ephemeris of Pluto system barycentre.
| Date | Δα cos(δ) | Δδ | σα | σδ |
|---|---|---|---|---|
| (UTC) | (mas) | (mas) | (mas) | (mas) |
| 1988-06-09 | −0.7 | 1.3 | 10.0 | 10.0 |
| 2002-07-20 | −5.3 | 3.8 | 10.0 | 15.0 |
| 2002-08-21 (1) | 2.9 | −1.1 | 10.0 | 10.0 |
| 2002-08-21 | 8.1 | −2.4 | 10.0 | 10.0 |
| 2006-06-12 | −4.0 | 1.2 | 10.0 | 10.0 |
| 2007-03-18 | −4.1 | 0.6 | 10.0 | 10.0 |
| 2007-06-14 | 0.6 | −2.2 | 5.0 | 5.0 |
| 2008-06-22 | −0.4 | −2.1 | 5.0 | 5.0 |
| 2008-06-24 | 2.6 | 2.2 | 5.0 | 5.0 |
| 2010-02-14 | −1.1 | −1.2 | 5.0 | 5.0 |
| 2010-06-04 | −1.3 | 0.2 | 5.0 | 5.0 |
| 2011-06-04 | −1.7 | 3.2 | 5.0 | 5.0 |
| 2011-06-23 | −0.2 | −0.5 | 10.0 | 10.0 |
| 2012-07-18 | 0.2 | 0.3 | 5.0 | 5.0 |
| 2013-05-04 (2) | −1.1 | −0.2 | 10.0 | 10.0 |
| 2013-05-04 | −0.5 | 0.6 | 5.0 | 5.0 |
| 2015-06-29 | 0.5 | −0.1 | 2.0 | 2.0 |
| 2015-06-29 (3) | −0.7 | 1.8 | 10.0 | 10.0 |
| 2016-07-19 | −0.1 | −0.2 | 2.0 | 2.0 |
Notes. Estimated precision in mas in right ascension and declination used for the fit is also indicated.
(1)
Taken from Elliot et al. (2003).
(2)
Taken from Olkin et al. (2015).
(3)
Taken from Pasachoff et al. (2017).
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