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- W4213306065 endingPage "5963" @default.
- W4213306065 startingPage "5948" @default.
- W4213306065 abstract "ABSTRACT Optical imaging polarimetry was conducted on the hydrogen poor superluminous supernova 2020znr during three phases after maximum light (≈ +34 d, +288 d, and +289 d). After instrumental and interstellar polarization correction, all measurements are consistent with null-polarization detection. Modelling the light curve with a magnetar spin-down model shows that SN2020znr has similar magnetar and ejecta parameters to other SLSNe. A comparison of the best-fitting values discussed in the literature on SN 2017egm and SN 2015bn, two hydrogen poor SLSNe showing an increase of polarization after maximum light, suggests that SN 2020znr has higher mass ejecta that may prevent access to the geometry of the inner ejecta with optical polarimetry. The combined information provided by spectroscopy and light-curve analysis of type I SLSNe may be an interesting avenue to categorize the polarization properties of this class of transients. This approach would require to expand the sample of SLSNe polarimetry data currently available with early and late time epochs new measurements." @default.
- W4213306065 created "2022-02-24" @default.
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- W4213306065 date "2022-02-17" @default.
- W4213306065 modified "2023-10-17" @default.
- W4213306065 title "Post maximum light and late time optical imaging polarimetry of type I superluminous supernova 2020znr" @default.
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- W4213306065 doi "https://doi.org/10.1093/mnras/stac425" @default.
- W4213306065 hasPublicationYear "2022" @default.
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