Two cold belts in the debris disk around the G-type star NZ Lupi

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Volume 625 (May 2019)

A&A, 625 (2019) A21

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Table 3

Best parameters and dispersion for several one- and two-belt models.

Model	i₁ (°)	r₁ (au)	i₂ (°)	r₂ (au)	α_in-1	α_out-1	α_in-2	α_out-2	g	h
1 belt

`mask1`	–	–	85	92 ± 2	–	–	9 ± 2	− 4.5 ± 0.5	0.6 ± 0.05	0.015 ± 0.005
`mask05`	–	–	85 ± 0.5	93 ± 2	–	–	7 ± 3	− 5.0 ± 0.5	0.6	0.020 ± 0.005
`mask03`	–	–	85 ± 0.5	93 ± 2	–	–	5 ± 6	− 4.5 ± 0.5	0.6	0.025 ± 0.005

2 belts

`fill`	82.7 ± 0.6 (83)	89 ± 4 (90)	87	106 ± 5 (105)	4	−3.5	–	−4	0.6	0.02
`ring`	82.4 ± 2.0 (82)	89 ± 4 (90)	86	90 ± 10 (90)	100	1	–	−4	0.6	0.02
`gap`	81.5 ± 0.6 (82)	88 ± 2 (90)	87	115 ± 6 (115)	4	−20	20	−4	0.6	0.01
`2gaps`	82.3 ± 0.7 (82)	87 ± 5 (85)	87	116 ± 5 (115)	20	−20	20	−4	0.6	0.02

Notes. The dispersion is not provided when a parameter value is taken as a prior (boldface) or when the frequency plot has a single peak. For the two-belt models, we provide the mean values and dispersions (when relevant) from the frequency plots, as well as the best model values (in bracket).

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