A peculiar class of debris disks from Herschel/DUNES - A steep fall off in the far infrared

Free Access

Table 5

Results from the fitting based on simulated thermal annealing (for details see Sect. 4.2).

Parameter	Best-fit value [3σ confidence levels]


	HIP 103389

	Approach 1		Approach 2		Approach 3		Approach 4

	Silicate	Mixture	Silicate	Mixture	Silicate	Mixture	Silicate	Mixture

R_in [AU]	20.7 [8.5–32.2]	20.8 [9.1–35.9]	18.2 [7.9–24.5]	20.9 [8.0–26.6]	11.9 [4.2–16.0]	13.6 [4.4–19.1]	42.3 [12.9–63.3]	22.5 [8.6–43.0]
R_out [AU]	20.7 [15.3–53.1]	20.9 [15.4–123.3]	20.0 [16.3–65.1]	20.9 [17.3–77.3]	12.0 [8.8–37.4]	13.6 [10.2–38.5]	46.0 [21.3–138.5]	22.5 [17.9–110.9]
α	0.1 [−2.0–3.5]	2.6 [−2.0–3.5]	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)
a_min [μm]	6.6 [4.7–8.6]	9.2 [4.4–11.4]	9.5 [7.8–10.4]	12.8 [10.7–13.6]	6.1 [2.8–9.8]	6.6 [2.6–12.0]	4.2 [3.1–7.8]	9.3 [3.7–14.9]
a_max [μm]	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	14.3 [12.7–18.1]	22.7 [14.3–28.5]
γ	5.0 [4.6–5.0]	5.0 [4.5–5.0]	7.4 [6.3–10.0]	9.0 [6.5–10.0]	3.5 (fixed)	3.5 (fixed)	3.5 (fixed)	3.5 (fixed)
M_dust [M_⊕]	1.98e-5	1.67e-5	1.30e-5	1.29e-5	4.69e-5	4.03e-5	4.86e-5	1.45e-5
reduced χ²	4.112	3.664	0.816	0.776	10.277	8.488	0.628	0.760


	HIP 107350

	Approach 1		Approach 2		Approach 3		Approach 4

	Silicate	Mixture	Silicate	Mixture	Silicate	Mixture	Silicate	Mixture

R_in [AU]	15.3 [3.8–28.5]	21.5 [7.4–93.0]	29.1 [7.9–47.2]	30.6 [5.6–44.1]	9.6 [3.0–15.6]	10.9 [3.0–16.5]	37.1 [4.3–54.4]	35.2 [7.2–54.2]
R_out [AU]	15.9 [9.3–227.3]	21.8 [10.3–276.6]	31.3 [13.9–113.9]	32.3 [16.0–138.5]	9.6 [5.8–33.0]	11.0 [9.1–35.7]	37.4 [19.2–187.5]	35.2 [17.4–145.3]
α	−0.9 [−2.0–3.5]	1.4 [−2.0–3.5]	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)
a_min [μm]	5.9 [4.7–9.0]	5.9 [4.3–9.1]	6.9 [2.7–10.9]	8.2 [3.6–10.7]	5.7 [4.8–11.0]	5.8 [4.9–11.7]	7.8 [1.6–10.4]	9.6 [2.2–13.5]
a_max [μm]	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	7.8 [6.3–13.3]	9.6 [6.4–17.4]
γ	5.0 [4.0–5.0]	5.0 [4.0–5.0]	10.0 [6.0–10.0]	10.0 [5.9–10.0]	3.5 (fixed)	3.5 (fixed)	3.5 (fixed)	3.5 (fixed)
M_dust [M_⊕]	4.59e-6	6.03e-6	1.11e-5	9.29e-6	1.05e-5	9.09e-6	1.54e-5	1.08e-5
reduced χ²	7.048	5.672	1.652	1.568	4.229	3.869	1.528	1.488


	HIP 114948

	Approach 1		Approach 2		Approach 3		Approach 4

	Silicate	Mixture	Silicate	Mixture	Silicate	Mixture	Silicate	Mixture

R_in [AU]	12.8 [6.8–13.9]	13.6 [6.8–14.5]	12.8 [7.1–13.7]	13.5 [7.8–14.9]	12.7 [5.5–16.6]	14.0 [7.9–19.1]	32.5 [9.0–40.1]	13.3 [8.4–14.5]
R_out [AU]	12.8 [12.1–39.8]	13.8 [12.9–34.7]	12.8 [12.1–23.2]	13.8 [12.9–24.9]	12.7 [10.5–25.6]	14.1 [11.0–30.8]	34.5 [26.9–81.4]	13.8 [12.9–22.9]
α	2.9 [−2.0–3.5]	0.0 [−2.0–3.5]	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)	0.0 (fixed)
a_min [μm]	9.6 [8.9–10.2]	12.9 [11.9–13.8]	9.6 [8.9–10.2]	12.9 [11.9–13.8]	6.4 [3.6–9.9]	7.4 [3.0–11.7]	3.2 [2.6–4.6]	11.8 [10.7–13.1]
a_max [μm]	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	1000.0 (fixed)	24.2 [10.0–27.3]	43.8 [10.0–53.2]
γ	4.7 [4.5–5.0]	4.7 [4.4–5.0]	4.7 [ 4.4–5.2]	4.7 [4.4–5.1]	3.5 (fixed)	3.5 (fixed)	3.5 (fixed)	3.5 (fixed)
M_dust [M_⊕]	2.19e-5	2.16e-5	2.19e-5	2.16e-5	8.82e-5	7.36e-5	5.93e-5	1.61e-5
reduced χ²	0.568	0.464	0.284	0.232	3.291	2.333	0.132	0.232

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.