A spectroscopic follow-up for Gaia19bld | Astronomy & Astrophysics (A&A)

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Table 1

Summary of the derived parameters for the source of Gaia19bld event.

Parameter	Line fitting	Template matching
		A	B	C
T_eff [K]	4159 ± 139

logg	1.89 ± 0.42

[M/H] [dex]	0.42 ± 0.20

v_t [km s⁻¹]	2.04 ± 0.58	–	–	–

A_v [mag]	–

R_v	–

θ_* [μas]	–

k₁	–

k₂	–			–

L	–	21430	21582	10595

θ_E [μas]	–

M_l [M_⊙]	–

D_s [kpc]	–

D_l [kpc]	–

Notes. Averaged solutions of line fitting are presented. The three minima A, B, and C from the template matching method discussed in the text are presented. The physical parameters θ_E, M_l, D_s, and D_l have been estimated using the ρ and π_E parameters from the light curve modeling presented in R21.

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