Constraints on (2060) Chiron’s size, shape, and surrounding material from the November 2018 and September 2019 stellar occultations

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Table 1

Observational circumstances of the September 8, 2019 Chiron occultation.

Site	Longitude E	Latitude N	Elevation (m)	Telescope aperture (mm)	Camera	Cycle^(†) time (s)	σ_flux	Observers
Nandrin/BE	05 26 29.5	50 31 24.8	261	406	Watec-910HX	2.56	0.16	O. Schreurs, E. Fernandez
Dourbes/BE	04 34 56.0	50 05 25.9	195	400	Watec-910HX	1.28	0.23	R. Boninsegna
Ludiver/FR	−01 43 42.1	49 37 46.9	179	400	RAPTOR Kite	0.50	0.42	F. Colas, D. Bihel, J. Lecacheux
Paris/FR	02 20 26.5	48 49 26.9	79	250	ASI174MM	1.50	0.33	J. L. Dauvergne
Forcarei/ES	−08 22 15.2	42 36 38.4	670	507	Watec-910HX	2.56	0.11	H. González

Notes.^(†)Read-out time is negligible for these cameras, so the exposure time equals the cycle time.

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