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SN 2020kyg

Host galaxy
NGC 5012
Right ascension (α)
197.92 deg
Declination (δ)
22.92 deg
Distance (d)
37.99 Mpc ± 6.97 Mpc
Recession velocity (vrec)
3157 km/s Virgo infall + Great Attractor corrected
Redshift (z)
0.01
Photometry
Yes · 193 observations
Spectra
7 spectra

Measurements

Each column groups the values reported together by one source entry. Empty cells mean that source did not report that property.

Publications Srivastav et al. (2022) Singh et al. (2023) Singh et al. (2023)
Milky Way reddening (E(B−V)MW) 0.01 mag 0.01 mag 0.01 mag
Absolute peak magnitude — B band (MB) N/A −14.45 mag ± 0.17 mag −14.45 mag ± 0.17 mag
Absolute peak magnitude — r band (Mr) −14.64 mag ± 0.4 mag −14.49 mag ± 0.16 mag −14.49 mag ± 0.16 mag
Absolute peak magnitude — V band (MV) N/A −14.52 mag ± 0.21 mag −14.52 mag ± 0.21 mag
Apparent peak magnitude — B band (mB) N/A 18.36 mag ± 0.06 mag 18.36 mag ± 0.06 mag
Apparent peak magnitude — r band (mr) 18.29 mag ± 0.03 mag 18.31 mag ± 0.03 mag 18.31 mag ± 0.03 mag
Apparent peak magnitude — V band (mV) N/A 18.28 mag ± 0.14 mag 18.28 mag ± 0.14 mag
Decline over 15 days — B band (Δm15(B)) N/A 2.54 mag 2.54 mag
Decline over 15 days — r band (Δm15(r)) 0.67 mag 0.84 mag 0.84 mag
Decline over 15 days — V band (Δm15(V)) N/A 0.98 mag 0.98 mag
Explosion time (texp) 58988 d 58989.6 d 58987.8 d
Ejecta mass (Mej) 0.4 M☉ 0.14 M☉ N/A
Nickel mass (MNi) 0.007 M☉ 0.002 M☉ N/A
Rise time (trise) N/A 10.8 d N/A
TARDIS model velocity (vTARDIS) N/A 3100 km/s 3100 km/s

Light curve

Apparent magnitude by reported observation time.

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Spectrum

Compare up to 10 selected full-resolution observed spectra on one chart. Raw flux is shown by default; normalization is an explicit display option.

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Move across the chart to inspect the nearest point in each selected spectrum.
Flux display Normalization divides each spectrum by its maximum absolute reported flux.