Table 2

Swift UV photometry (corrected for Galactic extinction using the UVOT correction factors in Table 5 of Kataoka et al. 2008).

Date UVW1 UVM2 UVW2
Model 18.88 19.16 19.26
2020-05-13 18.01 ± 0.04
2020-05-19 18.23 ± 0.15 18.28 ± 0.11 18.27 ± 0.10
2020-05-25 17.85 ± 0.07 18.30 ± 0.07 18.31 ± 0.06
2020-06-03 17.89 ± 0.04
2020-06-10 17.80 ± 0.04
2020-09-16 17.78 ± 0.05 18.17 ± 0.06 18.23 ± 0.05

Notes. The model magnitudes (for the host galaxy) were obtained by convolving the best-fit SED model (Sect. 3.3) with the UVOT transmission curves. A hyphen denotes that the given filter was not used on that observation date.

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