SN 2022xlp: The second-known well-observed, intermediate-luminosity Iax supernova

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Table 2.

Main photometric parameters of the multicolor LCs of SN 2022xlp.

Filter	MJD of peak brightness	Δm₁₅ [mag]	m_max [mag]	M_max [mag]
B	$59872 . 49_{- 0.18}^{+ 0.24}$ $59872.49 ^{+0.24}_{-0.18}$	$1 . 79_{- 0.02}^{+ 0.01}$ $1.79 ^{+0.01}_{-0.02}$	$16 . 00_{- 0.09}^{+ 0.11}$ $16.00 ^{+0.11}_{-0.09}$	$- 15 . 83_{- 0.26}^{+ 0.27}$ $-15.83 ^{+0.27}_{-0.26}$
V	$59874 . 06_{- 0.06}^{+ 0.20}$ $59874.06 ^{+0.20}_{-0.06}$	$0 . 94_{- 0.02}^{+ 0.04}$ $0.94 ^{+0.04}_{-0.02}$	$15 . 76_{- 0.08}^{+ 0.05}$ $15.76 ^{+0.05}_{-0.08}$	$- 16 . 04_{- 0.25}^{+ 0.25}$ $-16.04 ^{+0.25}_{-0.25}$
g	$59873 . 28_{- 0.24}^{+ 0.12}$ $59873.28 ^{+0.12}_{-0.24}$	$1 . 48_{- 0.02}^{+ 0.02}$ $1.48 ^{+0.02}_{-0.02}$	$15 . 77_{- 0.04}^{+ 0.05}$ $15.77 ^{+0.05}_{-0.04}$	$- 16 . 05_{- 0.24}^{+ 0.25}$ $-16.05 ^{+0.25}_{-0.24}$
r	$59875 . 64_{- 1.24}^{+ 0.70}$ $59875.64 ^{+0.70}_{-1.24}$	$0 . 75_{- 0.10}^{+ 0.07}$ $0.75 ^{+0.07}_{-0.10}$	$15 . 74_{- 0.07}^{+ 0.07}$ $15.74 ^{+0.07}_{-0.07}$	$- 16 . 06_{- 0.25}^{+ 0.25}$ $-16.06 ^{+0.25}_{-0.25}$
i	$59876 . 96_{- 1.28}^{+ 0.56}$ $59876.96 ^{+0.56}_{-1.28}$	$0 . 57_{- 0.10}^{+ 0.06}$ $0.57 ^{+0.06}_{-0.10}$	$15 . 99_{- 0.07}^{+ 0.07}$ $15.99 ^{+0.07}_{-0.07}$	$- 15 . 80_{- 0.25}^{+ 0.25}$ $-15.80 ^{+0.25}_{-0.25}$

Notes. The MJD of peak brightness, Δm₁₅ parameter, peak apparent magnitude and peak absolute magnitude are listed for the Johnson-Cousins-Bessel B,V and SDSS g,r,i and z bands. These parameters were obtained via the polynomial fitting of the LCs by scipy.optimize.curve_fit.

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