The fast transient AT 2023clx in the nearby LINER galaxy NGC 3799 as a tidal disruption of a very low-mass star

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Table 4.

Priors and marginalised posteriors for the MOSFiT TDE model.

Parameter	Prior	Posterior	Units
log(M_•)	[5, 8]	$5 . 83_{- 0.07}^{+ 0.06}$ $5.83^{+0.06}_{-0.07}$	M_⊙
M_*	[0.01, 100]	$0 . 10_{- 0.00}^{+ 0.01}$ $0.10^{+0.01}_{-0.00}$	M_⊙
b	[0, 2]	$1 . 03_{- 0.06}^{+ 0.06}$ $1.03^{+0.06}_{-0.06}$
log(ϵ)	[ − 4, −0.4]	$- 3 . 22_{- 0.04}^{+ 0.05}$ $-3.22^{+0.05}_{-0.04}$
log(R_ph, 0)	[ − 4, 4]	$1 . 90_{- 0.11}^{+ 0.10}$ $1.90^{+0.10}_{-0.11}$
l_ph	[0, 4]	$1 . 10_{- 0.06}^{+ 0.06}$ $1.10^{+0.06}_{-0.06}$
log(T_v)	[ − 3, 3]	$- 1 . 08_{- 1.24}^{+ 1.09}$ $-1.08^{+1.09}_{-1.24}$	days
t₀	[ − 500, 0]	$- 3 . 25_{- 0.61}^{+ 0.47}$ $-3.25^{+0.47}_{-0.61}$	days
log σ	[ − 4, 2]	$- 0 . 70_{- 0.03}^{+ 0.03}$ $-0.70^{+0.03}_{-0.03}$

Notes. The posterior results are the median of each distribution, and the uncertainties are the 16th and 84th percentiles. The errors are purely statistical and further estimates of the systematic uncertainty are provided in Mockler et al. (2019).

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