ASASSN-21js: A multi-year transit of a ringed disc

Open Access

Table 2.

Results from MCMC for the real dataset under the scenario with a system of two rings.

Parameter	Value
Free Parameters

a_{ring, outer} [R_*]	$71 . 6_{- 20.5}^{+ 28.9}$ $71.6_{-20.5}^{+28.9}$
a_{ring, inner} [R_*]	$52 . 0_{- 19.6}^{+ 27.9}$ $52.0_{-19.6}^{+27.9}$
i [°]	$87 . 18_{- 0.62}^{+ 0.53}$ $87.18_{-0.62}^{+0.53}$
ϕ [°]	$4 . 8_{- 1.3}^{+ 1.4}$ $4.8_{-1.3}^{+1.4}$
w_outer [R_*]	$19 . 0_{- 4.3}^{+ 2.7}$ $19.0_{-4.3}^{+2.7}$
w_inner [R_*]	${7.7}_{- 0.9}^{+ 1.1}$ ${7.7}_{-0.9}^{+1.1}$
T_outer	$0 . 990_{- 0.001}^{+ 0.001}$ $0.990_{-0.001}^{+0.001}$
T_inner	$0 . 73_{- 0.07}^{+ 0.04}$ $0.73_{-0.07}^{+0.04}$
y_ring [R_*]	$4 . 4_{- 2.0}^{+ 3.5}$ $4.4_{-2.0}^{+3.5}$
v [D_*/day]	$(1 . 1_{- 0.1}^{+ 0.1}) \times 10^{- 2}$ $\left(1.1_{-0.1}^{+0.1}\right)\times10^{-2}$
t₀ [day]	$61 464_{- 845}^{+ 1203}$ $61\,464_{-845}^{+1203}$

Derived Values

m_obj [M_⊕]	$(0 . 9_{- 0.7}^{+ 2.3}) \times 10^{- 4}$ $\left ( 0.9_{-0.7}^{+2.3}\right ) \times 10^{-4}$
P [yr]	$(6 . 1_{- 1.7}^{+ 2.5}) \times 10^{5}$ $\left ( 6.1_{-1.7}^{+2.5}\right )\times 10^5$
a_orbit [R_*]	$(8 . 1_{- 1.6}^{+ 2.1}) \times 10^{5}$ $\left(8.1_{-1.6}^{+2.1}\right)\times10^5$

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