Gaia20bdk – New FU Ori-type star in the Sh 2-301 star-forming region

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Table 1.

Physical parameters of the disc during the outburst in three epochs. The disc inclination was set to 60 deg, while R_in to 4.0 $_{- 0.5}^{+ 0.5}$ $^{+0.5}_{-0.5}$ R_⊙. The three-epoch data and the respective synthetic fluxes are plotted in Figure 8.

d[kpc]	R_out[au]	L_d[L_⊙]	MĖ [M $_{⊙}^{2}$ $_{\odot}^{2}$ yr⁻¹]	A_V[mag]	χ²
Ep. 1:

3.0	0.3	97 $_{+ 14}^{- 11}$ $^{-11}_{+14}$	2.92 $_{- 0.05}^{+ 0.05} \times 10^{- 5}$ $^{+0.05}_{-0.05}\times10^{-5}$	4.50 $_{+ 0.25}^{- 0.25}$ $^{-0.25}_{+0.25}$	1.76
3.3	0.3	133 $_{+ 18}^{- 16}$ $^{-16}_{+18}$	4.00 $_{- 0.02}^{+ 0.11} \times 10^{- 5}$ $^{+0.11}_{-0.02}\times10^{-5}$	4.75 $_{+ 0.20}^{- 0.25}$ $^{-0.25}_{+0.20}$	2.09
3.6	0.3	177 $_{+ 19}^{- 20}$ $^{-20}_{+19}$	5.34 $_{- 0.27}^{+ 0.09} \times 10^{- 5}$ $^{+0.09}_{-0.27}\times10^{-5}$	4.95 $_{+ 0.15}^{- 0.20}$ $^{-0.20}_{+0.15}$	2.46

Ep. 2:

3.0	0.8	92 $_{+ 12}^{- 9}$ $^{-9}_{+12}$	2.50 $_{- 0.07}^{+ 0.06} \times 10^{- 5}$ $^{+0.06}_{-0.07}\times10^{-5}$	3.95 $_{+ 0.25}^{- 0.25}$ $^{-0.25}_{+0.25}$	9.13
3.3	0.8	122 $_{+ 16}^{- 11}$ $^{-11}_{+16}$	3.31 $_{- 0.06}^{+ 0.12} \times 10^{- 5}$ $^{+0.12}_{-0.06}\times10^{-5}$	4.15 $_{+ 0.25}^{- 0.20}$ $^{-0.20}_{+0.25}$	9.23
3.6	0.8	155 $_{+ 24}^{- 14}$ $^{-14}_{+24}$	4.22 $_{- 0.00}^{+ 0.12} \times 10^{- 5}$ $^{+0.12}_{-0.00}\times10^{-5}$	4.30 $_{+ 0.25}^{- 0.20}$ $^{-0.20}_{+0.25}$	9.34

Ep. 3:

3.0	0.4	124 $_{+ 18}^{- 12}$ $^{-12}_{+18}$	3.57 $_{- 0.04}^{+ 0.13} \times 10^{- 5}$ $^{+0.13}_{-0.04}\times10^{-5}$	4.50 $_{+ 0.25}^{- 0.20}$ $^{-0.20}_{+0.25}$	3.36
3.3	0.4	165 $_{+ 22}^{- 17}$ $^{-17}_{+22}$	4.76 $_{- 0.07}^{+ 0.11} \times 10^{- 5}$ $^{+0.11}_{-0.07}\times10^{-5}$	4.70 $_{+ 0.20}^{- 0.20}$ $^{-0.20}_{+0.20}$	3.60
3.6	0.4	220 $_{+ 25}^{- 25}$ $^{-25}_{+25}$	6.35 $_{- 0.25}^{+ 0.07} \times 10^{- 5}$ $^{+0.07}_{-0.25}\times10^{-5}$	4.90 $_{+ 0.15}^{- 0.20}$ $^{-0.20}_{+0.15}$	3.87

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