SN 2023gpw: Exploring the diversity and power sources of hydrogen-rich superluminous supernovae

Home

All issues

Volume 705 (January 2026)

A&A, 705 (2026) A52

Full HTML

Open Access

Table 3.

Median posterior values and uncertainties of free parameters in each MOSFiT model fit and the score of each model.

Parameter	⁵⁶Ni decay	Magnetar	CSI (s = 0)	CSI (s = 2)	Fallback
log n_H, host (cm⁻²)	$17 . 4_{- 1.0}^{+ 1.1}$ $17.4^{+1.1}_{-1.0}$	$20 . 63_{- 0.19}^{+ 0.11}$ $20.63^{+0.11}_{-0.19}$	$17 . 6_{- 1.1}^{+ 1.0}$ $17.6^{+1.0}_{-1.1}$	$18 . 9_{- 1.8}^{+ 1.2}$ $18.9^{+1.2}_{-1.8}$	17.6 ± 1.1
t_expl (d)	−10 ± 2	$- 1 . 8_{- 0.3}^{+ 0.2}$ $-1.8^{+0.2}_{-0.3}$	$- 3 . 1_{- 0.5}^{+ 0.4}$ $-3.1^{+0.4}_{-0.5}$	−1.1 ± 0.2	−2.1 ± 0.3
log T_min (K)	3.16 ± 0.11	–	3.2 ± 0.2	3.80 ± 0.01	3.1 ± 0.1
log M_ej (M_⊙)	1.00 ± 0.02	$- 0 . 08_{- 0.07}^{+ 0.06}$ $-0.08^{+0.06}_{-0.07}$	$0 . 83_{- 0.07}^{+ 0.06}$ $0.83^{+0.06}_{-0.07}$	$1 . 48_{- 0.02}^{+ 0.04}$ $1.48^{+0.04}_{-0.02}$	$0 . 08_{- 0.06}^{+ 0.05}$ $0.08^{+0.05}_{-0.06}$
v_ej (km s⁻¹)	$14800_{- 400}^{+ 200}$ $14800^{+200}_{-400}$	8200 ± 300	9500 ± 200	8900 ± 200	$8700_{- 200}^{+ 300}$ $8700^{+300}_{-200}$
log f_Ni	$- 0 . 002_{- 0.003}^{+ 0.002}$ $-0.002^{+0.002}_{-0.003}$	–	–	–	–
log κ_γ (cm² g⁻¹)	$- 0 . 97_{- 0.03}^{+ 0.06}$ $-0.97^{+0.06}_{-0.03}$	$- 0 . 94_{- 0.05}^{+ 0.06}$ $-0.94^{+0.06}_{-0.05}$	–	–	–
P_spin (ms)	–	$2 . 7_{- 0.6}^{+ 0.7}$ $2.7^{+0.7}_{-0.6}$	–	–	–
log B_⊥ (10¹⁴ G)	–	0.11 ± 0.17	–	–	–
M_NS (M_⊙)	–	1.7 ± 0.5	–	–	–
θ_PB (rad)	–	0.6 ± 0.3	–	–	–
log R₀ (AU)	–	–	0.5 ± 1.1	0.9 ± 0.5	–
log M_CSM (M_⊙)	–	–	0.60 ± 0.02	$0 . 50_{- 0.02}^{+ 0.03}$ $0.50^{+0.03}_{-0.02}$	–
log ρ (g cm⁻³)	–	–	$- 12 . 59_{- 0.03}^{+ 0.04}$ $-12.59^{+0.04}_{-0.03}$	−10.7 ± 0.9	–
log t_tr	–	–	–	–	1.39 ± 0.03
log L₁	–	–	–	–	55.05 ± 0.01

Score (log Z)	–41.5	147.1	250.7	249.4	237.8

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.