Extended Data Fig. 6: Spectroscopic comparison of SN2016aps to the energetic nuclear transients PS16dtm and PS1-10adi.
From: An extremely energetic supernova from a very massive star in a dense medium
PS16dtm is thought to be a TDE [7] and PS1-10adi has been suggested to be a possible SN close to an AGN [8], these two nuclear transients closely resemble each other. The spectra shown here are at around 200 days after maximum light. SN2016aps is distinguished from these events by broader and more symmetrical Balmer lines (lacking a red shoulder), and a lack of strong, narrow Fe II emission. SN2016aps also lacks the [O III] emission seen at 5000Å (see also Supplementary Information). The apparent absorption in PS16dtm at 7000Å is a telluric feature from the Earth’s atmosphere.
