Systematics of planetary ephemeris reference frames inferred from pulsar timing astrometry

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Table 3

Overview of timing and VLBI solutions for seven pulsars used for evaluating the rotation between the planetary ephemeris frames and the extragalactic frame.

Pulsar	Timing					VLBI					Ref.
Pulsar	Epoch		σ_δ (µas)			Eopch		σ_δ (µas)			Ref.
J0437−4715	2009.5	5	5	1	2	2007.0	1015	994	50	90	1
J1012+5307	2009.5	49	64	10	14	2016.9	900	1000	90	140	2
J1640+2224	2009.5	46	65	13	19	2016.3	971	1000	80	140	3
J1713+0747	2009.5	5	10	1	2	2002.0	1486	2000	170	160	4
J2010−1323	2009.5	148	614	56	237	2012.2	1459	4000	329	303	5
J2145−0750	2009.5	97	268	25	69	2012.2	1486	4000	52	90	5
J2317+1439	2009.5	88	173	25	49	2012.2	1451	1000	465	704	5

Notes. The timing solutions were obtained through a timing analysis of the IPTA DR2B data set using DE440. The last column gives the reference to the VLBI position.

References. (1) Deller et al. (2009); (2) Ding et al. (2020); (3) Vigeland et al. (2018); (4) Chatterjee et al. (2009); (5) Deller et al. (2019).

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