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A Six-year Image-subtraction Light Curve of SN 2010jl
Stockholm University, Faculty of Science, Department of Astronomy. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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Number of Authors: 122019 (English)In: Publications of the Astronomical Society of the Pacific, ISSN 0004-6280, E-ISSN 1538-3873, Vol. 131, no 999, article id 054204Article in journal (Refereed) Published
Abstract [en]

SN 2010jl was a luminous Type Lin 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 alpha approximate to -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 alpha approximate to -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.

Place, publisher, year, edition, pages
2019. Vol. 131, no 999, article id 054204
Keywords [en]
methods: statistical, stars: mass-loss, (stars:) supernovae: general, (stars:) supernovae: individual (..., ...)
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Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-168317DOI: 10.1088/1538-3873/ab0a19ISI: 000464499700001OAI: oai:DiVA.org:su-168317DiVA, id: diva2:1315007
Available from: 2019-05-10 Created: 2019-05-10 Last updated: 2019-05-10Bibliographically approved

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Sollerman, JesperFransson, Claes
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