Classifying Astronomical Transients Using Only Host Galaxy Photometry

The attached FITS file contains an electronic table for the extinction-corrected magnitudes of host galaxies in 15 photometric bands (FUV, NUV, u, g, r, i, z, y, J, H, K, and W1-W4). These magnitudes are cross-calibrated from multiple sky surveys (Section 4 in Qin et al. 2022) with the procedure described in Section 2.1.1 so that in each photometric band, a host galaxy has only one magnitude value selected from surveys that have covered this band and detected the host; meanwhile, the systematic difference of magnitudes across these surveys are minimized by transforming the selected magnitudes to a common system. No magnitude is selected if none of those surveys has covered this band or detected the host.