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Table 1

Flux densities measured towards the central core of S255 NIRS 3 with the VLA, IRAM/NOEMA, and ALMA at different epochs, and corresponding mean synthesized beams.

Date Mar. Jul. Aug. Oct. Nov. Dec. Jan. Feb.

ν Sν, HPBW

(GHz) (mJy, arcsec) (mJy, arcsec) (mJy, arcsec) (mJy, arcsec) (mJy, arcsec) (mJy, arcsec) (mJy, arcsec) (mJy, arcsec)
6 0.87, 2.54 0.79, 0.998 1.1, 1.33 2.6, 0.358 4.8, 0.402 7.9, 0.352
10 1.0, 1.64 1.2, 0.609 1.8, 0.765 3.6, 0.168 6.7, 0.235 11, 0.209
22.2 2.7, 0.73 2.2, 0.354 3.1, 0.351 6.6, 0.0695 11, 0.108 18, 0.0969
45.5 4.4, 0.412 1.9, 0.190 3.8, 0.195 14, 0.0437 21, 0.0455 27, 0.0800
86.2 73, 2.5
87 57, 4.2 64, 4.1
98.2 90, 2.2
150 175, 2.4 168, 2.3

Notes. Months from March to December refer to 2016, while January and February refer to 2017.

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