Expanding the parameter space of 2002es-like type Ia supernovae: On the underluminous ASASSN-20jq/SN 2020qxp

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Table 1.

Key parameters of ASASSN-20jq.

Parameters	Values
Redshift: z	0.00368 ± 0.00001
Distance: D	19.41 ± 3.84 Mpc
Distance Modulus: μ	31.44 ± 0.43 mag
Reddening: E(B−V)_tot	0.10 ± 0.06 mag
B-band peak magnitude: M_B, max	−17.09 ± 0.50 mag
Explosion time: t_exp ≈ t_first	UT 2020-08-03.8
		$JD 2, 459, 065 . 3_{- 3.0}^{+ 1.4}$ $\rm JD~2, 459, 065.3^{+1.4}_{-3.0}$ days
	B-band peak time: t_B, max	UT 2020-08-24.3
		$JD 2, 459, 085.8 \pm 0.5$ $\rm {JD~2,459,085.8}\pm0.5$ days
B-band rise time		$20 . 4_{- 1.5}^{+ 3.0}$ $20.4^{+3.0}_{-1.5}$ days
B-band decline rate: Δm₁₅(B)	1.35 ± 0.09 mag
Color-stretch: s_BV	⪆0.82
Synthesized ⁵⁶Ni mass: M_Ni	(0.088 ± 0.008) M_⊙
Host metallicity: $12 + \log_{10} (O / H)$ $12+\rm{log}_{10}\it{(O/H)}$	8.263 ± 0.003 dex

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