Expected insights into Type Ia supernovae from LISA’s gravitational wave observations

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Volume 691 (November 2024)

A&A, 691 (2024) A44

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Table 1.

Point estimates from simulations with BALROG.

Injection parameters							Posterior				Classification

ℳ^inj	m₁^inj	m₂^inj	f^inj	τ^inj	cosι^inj	S/N	Δℳ^90%	Δτ^90%	Δℳ^90%/ℳ^inj	Δτ^90%/τ^inj	No expl.	Underl.	Normal
[M_⊙]	[M_⊙]	[M_⊙]	[Hz]	[Myr]			[M_⊙]	[Myr]			[%]	[%]	[%]
			0.002	1.345	0	5.1	5.57312	0.351	13.1211	0.2607	16.0	25.9	58.0
			0.002	1.345	1	15.0	0.64505	7.764	1.5187	5.7705	21.7	31.7	46.6

0.42	0.60	0.40	0.006	0.072	0	57.4	0.00404	0.0011	0.0095	0.0159	3.4	56.0	40.6
0.42	0.60	0.40	0.006	0.072	1	169.8	0.00137	0.0004	0.0032	0.0054	3.0	54.8	42.2

			0.010	0.018	0	82.0	0.00043	0.000031	0.0010	0.0017	3.1	55.3	41.6
			0.010	0.018	1	243.1	0.00015	0.00001	0.0003	0.0006	3.8	56.6	39.6

			0.002	1.133	0	6.0	1.16005	5.589	2.4635	4.9332	18.1	25.6	56.3
					1	17.8	0.59892	6.316	1.2719	5.5747	19.3	33.2	47.4

0.47	1.05	0.30	0.006	0.061	0	68.2	0.00313	0.0007	0.0067	0.0111	0.0	51.0	49.0
					1	201.7	0.00103	0.0002	0.0022	0.0037	0.0	51.2	48.8

			0.010	0.015	0	97.4	0.00033	0.000018	0.0007	0.0012	0.0	49.8	50.2
					1	288.7	0.00011	0.000006	0.0002	0.0004	0.0	51.5	48.5

			0.002	0.529	0	12.9	0.71376	1.613	0.9603	3.0476	6.2	19.0	74.8
			0.002	0.529	1	38.1	0.23422	0.296	0.3151	0.5597	0.0	4.5	95.5

0.74	1.05	0.70	0.006	0.028	0	146.0	0.00109	0.00007	0.0015	0.0024	0.0	0.0	100.0
0.74	1.05	0.70	0.006	0.028	1	431.6	0.00037	0.00002	0.0005	0.0008	0.0	0.0	100.0

			0.010	0.007	0	208.5	0.00012	0.000002	0.0002	0.0003	0.0	0.0	100.0
			0.010	0.007	1	617.8	0.00004	0.000001	0.0001	0.0001	0.0	0.0	100.0

Notes. The superscript ‘inj’ stands for injected, i.e. assumed as the true value; the abbreviation ‘S/N’ stands for the signal-to-noise ratio. The three leftmost columns represent classification probabilities for each source, according to the three classes defined in Sect. 2.2: ‘No explosion’ (m₁ < 0.5 M_⊙), ‘Underluminous’ (0.5 M_⊙ < m₁ < 0.8 M_⊙) and ‘Normal SN Ia’ (m₁ > 0.8 M_⊙).

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