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Table 4

Parameters of the central Hα emission.

Date F L EM
Aug. 19 3.423 2700 3.74 5.0
Aug. 20 2.645 2100 2.89 4.3
Aug. 21 2.820 2200 3.08 4.3
Aug. 22 2.676 2100 2.92 4.0
Aug. 23 2.766 2200 3.02 4.0

Notes. The flux is in units of 10−8 erg cm−2 s−1, luminosity in (d/1.6 kpc)2 L, emission measure in 1061 (d/1.6 kpc)2 cm−3 and massloss rate in 10−5 (d/1.6 kpc)3/2 M yr−1.

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