Figure 7
![The top 11 spectra show the constituent species in our synow fit. The second from bottom spectrum is the sum of the top 11 spectra. The bottom spectrum is our pre-maximum spectrum of SN 2009dc [dereddened by E(B−V)MW = 0.070 mag and E(B−V)host = 0.1 mag with RV = 3.1]. We also remove the host-galaxy recession velocity (cz = 6300 ± 300 km s−1). Finally, we remove the underlying 20 000 K blackbody continuum from all spectra shown.](https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/mnras/410/1/10.1111_j.1365-2966.2010.17474.x/1/mnras0410-0585-f7.jpeg?Expires=1749943791&Signature=cLW~RPyKPMFsUbAvkfxHldCWTjCo7rr~32E0JuKxfymT5ByjZNvmUSbPMlv9WaUuqtjwervMJCoo1I07nf~mup8uenHlDRBcVYmcB3qK-mJeDb5GWjyZE7YvhNQmiG9l9Iz8tP10XnM~gklIPlGr-bpmMeFJ05M4~u--iBNo9nwhWVTGGHEuy6jti3OkZWLOencd71-xzTZCi-CF3qCveUIkXB1BcrwNyUx0WwI78PMo61-3XP7Lm0PQipXWb-~8xOc6-8-WS4wnI330QN0ZsuDoCuvHCmJyN9QxQZbTXigqu49Pgom9apvtsiZqujArkFqnhGA2gU7nSLX0XMyydA__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
The top 11 spectra show the constituent species in our synow fit. The second from bottom spectrum is the sum of the top 11 spectra. The bottom spectrum is our pre-maximum spectrum of SN 2009dc [dereddened by E(B−V)MW = 0.070 mag and E(B−V)host = 0.1 mag with RV = 3.1]. We also remove the host-galaxy recession velocity (cz = 6300 ± 300 km s−1). Finally, we remove the underlying 20 000 K blackbody continuum from all spectra shown.
