Journal article
A search for supernova light echoes in NGC 6946 with SITELLE
Abstract
ABSTRACT
We present the analysis of 4 h of spectroscopic observations of NGC 6946 with the SITELLE Imaging Fourier Transform Spectrometer on the Canada–France–Hawaii Telescope, acquired to search for supernova light echoes from its 10 modern supernovae. We develop a novel spectroscopic search method: identifying negatively sloped continua in the narrow-band SN3 filter as candidate highly broadened P-Cygni profiles in the H α …
Authors
Radica MC; Welch DL; Rousseau-Nepton L
Journal
Monthly Notices of the Royal Astronomical Society, Vol. 497, No. 3, pp. 3297–3305
Publisher
Oxford University Press (OUP)
Publication Date
September 21, 2020
DOI
10.1093/mnras/staa2006
ISSN
0035-8711