A Six-year Image-subtraction Light Curve of SN 2010jl. (12th April 2019)

• Record Type: Journal Article
• Authors: Ofek, E. O.; Zackay, B.; Gal-Yam, A.; Sollerman, J.; Fransson, C.; Fremling, C.; Kulkarni, S. R.; Nugent, P. E.; Yaron, O.; Kasliwal, M. M.; Masci, F.; Laher, R.
• Is Part Of: Publications of the Astronomical Society of the Pacific. Volume 131:Number 999(2019)
• Publication Date: 2019-04-12
• Subjects: methods: statistical -- stars: mass-loss -- (stars:) supernovae: general -- (stars:) supernovae: individual (..., ...); Astronomy -- Periodicals; Astronomy; Periodicals; Periodicals; 520.5
• DOI: 10.1088/1538-3873/ab0a19
• Languages: English
• ISSNs: 0004-6280

Abstract

Abstract: SN 2010jl was a luminous Type IIn supernova (SN), detected in radio, optical, X-ray and hard X-rays. Here we report on its six-year R - and g -band light curves obtained using the Palomar Transient Factory. The light curve was generated using a pipeline based on the proper image-subtraction method and we discuss the algorithm performances. As noted before, the R -band light curve, up to about 300 days after maximum light is well described by a power-law decline with a power-law index of α ≈ −0.5. Between day 300 and day 2300 after maximum light, it is consistent with a power-law decline, with a power-law index of about α ≈ −3.4. The longevity of the light curve suggests that the massive circumstellar material around the progenitor was ejected on timescales of at least tens of years prior to the progenitor explosion.