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Table 2.
FWHM and redshift Δv (with respect to the central wavelength) of the Hβ line profile for all epochs.
| ID | MJD | UT date | (t − t0) | FWHMHβ | ΔvHβ |
|---|---|---|---|---|---|
| [days] | [km s−1] | [km s−1] | |||
| 1 | 57289.23 | 2015-09-24 | −1012 | 1970 ± 50 | +730 ± 50 |
| 2 | 58049.20 | 2017-10-23 | −252 | 2270 ± 100 | +490 ± 50 |
| 3 | 58319.17 | 2018-07-20 | +18 | 2230 ± 100 | +360 ± 50 |
| 4 | 58329.16 | 2018-07-30 | +28 | – | – |
| 5 | 58395.96 | 2018-10-04 | +95 | 2100 ± 100 | +450 ± 100 |
| 6 | 58735.03 | 2019-09-09 | +434 | 2440 ± 300 | – |
Notes. Spectrum 4 from 2018 July 30 does not cover the Hβ line. The Hβ profile in Spectrum 6 from 2019 September 9 is distorted and no meaningful normalization of the profile is possible with respect to the other profiles.
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