Ultra-long MeV transient from a relativistic jet: A tidal disruption event candidate

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Table F.1.

Properties of relativistic TDE candidates.

Source	t^−α_X	Γ_X	L_X, iso	E_X, iso	t_v	Γ	z
			(erg s⁻¹)	(erg)	(s)
Swift J1644+57	agree with t^−5/3(1)	1.62 ± 0.05(⋆,2)	3 × 10⁴⁸(2,3)	2 × 10⁵³(3)	∼100(2)	2 < Γ < 20	0.35
					∼105(3)
Swift J2058+05	t^−2.2(4)	1.61 ± 0.12(4)	3 × 10⁴⁷(4)	≈10⁵⁴(4)	< 10⁴(4)	> 2.1(4)	1.19
		1.47 ± 0.08(5)		≈4 × 10⁵³(5)	∼500(5)
Swift J1112−82	t^−1.1(⋆⋆,6)	1.33 ± 0.08(6)	≥10⁴⁷(6)	–	–	–	0.89
AT2020cmc	t^{−2 ± 0.1}(7)	1.4 ± 0.2(7)	≈2.4 × 10⁴⁷(7)	–	∼4 × 10³(7)	≈12(7)	1.19
		1.45 ± 0.06(8)	≥10⁴⁸(8)		≤10³(8)	≈86(8, ⋆ ⋆ ⋆)

DBE	t^{−1.9 ± 0.1}	Γ_X ∼ 1.4–1.6	$\approx 4 \times 10^{47} d_{L, 100 Mpc}^{2}$ $\approx 4 \times 10^{47}\, d_{L,100\,\mathrm{Mpc}}^{2}$	$\approx 10^{50} d_{L, 100 Mpc}^{2}$ $\approx 10^{50}\, d_{L,100\,\mathrm{Mpc}}^{2}$	≤100	10 < Γ < 40	–
		Γ_γ ∼ 1.5

References. (1) Burrows et al. (2011); (2) Levan et al. (2011); (3) Bloom et al. (2011); (4) Cenko et al. (2012); (5) Pasham et al. (2015); (6) Brown et al. (2015); (7) Andreoni et al. (2022); (8) Pasham et al. (2023).

Notes. (⋆) XRT+BAT joint spectrum (0.3–150 keV). (⋆⋆) Followed by the steep decline > 30 days. (⋆ ⋆ ⋆) In the synchrotron self-Compton model.

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