Investigating the dynamical history of the interstellar object ’Oumuamua

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Table 4

Four cases of low-velocity encounters of ’Oumuamua with stars from our list.

Star name	Miss distance	Epoch	Rel. velocity	r_hel	Miss-distance interval
	[pc]	[Myr]	[km s⁻¹]	[pc]	[pc]
TYC 5325-1808-1	2.93291	−10.1215	7.940	269.220	Not tested
UCAC4 535-065571	1.42718	−2.1395	5.206	57.538	1.37201–1.48409
δ Capricorni	3.21225	−1.5259	6.872	41.049	3.16832–3.25921
HIP 113020	2.24104	−0.7907	3.927	21.278	2.21875–2.26360

Notes. Columns 2–5 are from the 59B calculation. Only the results for TYC 5325-1808-1 are from the three-body integration; see text for the explanation. The last column presents the miss-distance variation interval from the 10 000 clones of ’Oumuamua.

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