Discovery of recurrent flares of 6.7 GHz methanol maser emission in Cepheus A HW2

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Table 2

Flare parameters of the −1.3 and −0.5 km s⁻¹ features.

V_lsr (km s⁻¹)	t_start (MJD)	t_peak (MJD)	t_end (MJD)	F_peak (Jy)
Flare #1

−1.3	55 222	55 255	55 609	6.0
−0.5	55 283	55 307	55 679	7.6

Flare #2

−1.3	57 018	57 025	57 117	2.7
−0.5	57 070	57 095	57 297	3.3

Flare #3

−1.3	58 888	58 953	59 104	3.5
−0.5	58 929	58 966	59 512	7.0

Notes. V_lsr is the peak velocity at the beginning of the first flare, t_start, t_peak, and t_end, are the start, maximum, and end times of the flare, respectively, and F_peak is the peak flux density.

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