Possible environmental quenching in an interacting little red dot pair at z ∼ 7

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Table D.1.

Model parameters, priors, and 50th percentile posterior values for LRD1 and LRD2.

Parameter	LRD1			LRD2

	Prior	z_highfit value	z_midfit value	Prior	z_highfit value	z_midfit value	z_lowfit value
Redshift: z_highfit	6.95 - 7.15	$7 . 01_{- 0.1}^{0.1}$ $7.01^{\,0.1}_{\,-0.1}$	−	6.95 - 7.15	$7 . 0_{- 0.01}^{0.01}$ $7.0^{\,0.01}_{-0.01}$	−	−
z_medfit	6.75 - 6.95	−	$6 . 95_{0}^{0}$ $6.95^{\,0}_{0}$	6.75 - 6.95	−	$6 . 95_{- 0 .}^{0.0}$ $6.95^{\,0.0}_{-0.}$	−
z_lowfit	−	−	−	6.75 - 6.85	−	−	$6 . 85_{- 0 .}^{0 .}$ $6.85^{\,0.}_{\,-0.}$

AGN: α_λ	(−4, 2)	$- 2 . 09_{- 0.18}^{+ 0.16}$ $-2.09^{\,+0.16}_{\,-0.18}$	$2 . 56_{- 0.02}^{0.04}$ $2.56^{\,0.04}_{-0.02}$	(−4, 2)	$- 2 . 29_{- 0.24}^{0.25}$ $-2.29^{\,0.25}_{-0.24}$	$- 2 . 28_{- 0.22}^{0.22}$ $-2.28^{\,0.22}_{-0.22}$	$- 2 . 79_{- 0.14}^{0.24}$ $-2.79^{\,0.24}_{\,-0.14}$
AGN: β_λ	(−2, 3)	$0 . 55_{- 0.46}^{+ 0.46}$ $0.55^{\,+0.46}_{\,-0.46}$	$1 . 88_{- 0.16}^{+ 0.17}$ $1.88^{\,+0.17}_{-0.16}$	(−2, 2)	$0 . 53_{- 0.44}^{0.47}$ $0.53^{\,0.47}_{-0.44}$	$0 . 47_{- 0.46}^{0.47}$ $0.47^{\,0.47}_{-0.46}$	$0 . 45_{- 0.43}^{0.44}$ $0.45^{\,0.44}_{\,-0.43}$
AGN: σ	(30, 4200)	$2400_{- 2}^{+ 2}$ $2400^{\,+2}_{\,-2}$	$3802_{- 1}^{1}$ $3802^{\,1}_{-1}$	(30, 4200)	$1995_{- 2}^{2}$ $1995^{\,2}_{-2}$	$2137_{- 3}^{2}$ $2137^{\,2}_{-3}$	$3311_{- 2}^{2}$ $3311^{\,2}_{-2}$

SFH: α	(0.01, 1000.)	$79_{- 6}^{+ 6}$ $79^{\,+6}_{\,-6}$	$1 . 02_{- 17}^{30}$ $1.02^{\,30}_{\,-17}$	(0.01, 1000.)	$78_{- 6}^{5}$ $78^{\,5}_{-6}$	$69_{- 6}^{6}$ $69^{\,6}_{-6}$	$0 . 22_{- 2}^{2}$ $0.22^{\,2}_{-2}$
SFH: β	(0.01, 1000.)	$0 . 8_{- 18}^{+ 55}$ $0.8^{\,+55}_{\,-18}$	$871_{- 1}^{3}$ $871^{\,3}_{-1}$	(0.01, 1000.)	$5_{- 10}^{25}$ $5^{\,25}_{-10}$	$2_{- 8}^{27}$ $2^{\,27}_{-8}$	$1 . 4_{- 0.82}^{1.04}$ $1.4^{\,1.04}_{-0.82}$
SFH: τ	(0.01, 15.)	$0 . 2_{- 0.12}^{+ 0.16}$ $0.2^{\,+0.16}_{\,-0.12}$	$0 . 76_{0}^{0}$ $0.76^{\,0}_{0}$	(0.01, 15.)	$0 . 22_{- 0.14}^{0.19}$ $0.22^{\,0.19}_{-0.14}$	$0 . 08_{- 0.05}^{0.12}$ $0.08^{\,0.12}_{-0.05}$	$0 . 45_{- 0.12}^{0.10}$ $0.45^{\,0.10}_{-0.12}$
SFH: log(M_⋆/M_⊙)	(7, 12)	$11 . 11_{- 0.08}^{+ 0.07}$ $11.11^{\,+0.07}_{\,-0.08}$	$7 . 56_{0.03}^{0.04}$ $7.56^{\,0.04}_{0.03}$	(7, 12)	$10 . 5_{- 0.1}^{0.09}$ $10.5^{\,0.09}_{-0.1}$	$10 . 6_{- 0.07}^{0.05}$ $10.6^{\,0.05}_{-0.07}$	$10 . 01_{- 0.09}^{0.9}$ $10.01^{\,0.9}_{-0.09}$
SFH: Z/Z_⊙	(−2, 0.5)	$0 . 35_{- 0.14}^{+ 0.1}$ $0.35^{\,+0.1}_{-0.14}$	$0 . 10_{0}^{0}$ $0.10^{\,0}_{0}$	(−2, 0.2)	$- 0 . 78_{- 0.81}^{0.84}$ $-0.78^{\,0.84}_{-0.81}$	$0 . 13_{- 0.08}^{0.05}$ $0.13^{\,0.05}_{-0.08}$	$0 . 19_{- 0.09}^{0.0}$ $0.19^{\,0.0}_{-0.09}$

Nebular: log(U)	(−3, 0)	$- 1 . 05_{- 0.67}^{+ 0.65}$ $-1.05^{\,+0.65}_{\,-0.67}$	$- 0 . 51_{0.27}^{0.25}$ $-0.51^{\,0.25}_{0.27}$	(−3, 0)	$- 1 . 55_{- 0.89}^{0.97}$ $-1.55^{\,0.97}_{-0.89}$	$- 1 . 52_{- 0.97}^{0.98}$ $-1.52^{\,0.98}_{-0.97}$	$- 1 . 61_{- 0.25}^{0.21}$ $-1.61^{\,0.21}_{-0.25}$

Dust: A(V) [mag]	(0, 2.5)	$2 . 29_{- 0.23}^{+ 0.15}$ $2.29^{\,+0.15}_{\,- 0.23}$	$0 . 06_{0.04}^{0.05}$ $0.06^{\,0.05}_{0.04}$	(0, 2.5)	$2 . 34_{- 0.19}^{0.11}$ $2.34^{\,0.11}_{-0.19}$	$2 . 4_{- 0.12}^{0.07}$ $2.4^{\,0.07}_{-0.12}$	$2 . 46_{- 0.05}^{0.03}$ $2.46^{\,0.03}_{-0.05}$

Notes. The uncertainties correspond to the values provided by Bagpipes.

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