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Ultraviolet Light Curves of Supernovae with Swift Uvot

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arxiv 0803.1265 v1 pith:G2CBFDSG submitted 2008-03-08 astro-ph

Peter J. Brown , Stephen T. Holland , Stefan Immler , Peter Milne , Peter W. A. Roming , Neil Gehrels , John Nousek , Nino Panagia
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Martin Still Daniel Vanden Berk
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keywords lightcolorscurvesopticaldataobservationsbolometrichigh
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We present ultravioliet (UV) observations of supernovae (SNe) obtained with the UltraViolet/Optical Telescope (UVOT) on board the Swift spacecraft. This is the largest sample of UV light curves from any single instrument and covers all major SN types and most subtypes. The UV light curves of SNe Ia are fairly homogenous while SNe Ib/c and IIP show more variety in their light curve shapes. The UV-optical colors clearly differentiate SNe Ia and IIP, particularly at early times. The color evolution of SNe IIP, however, makes their colors similar to SNe Ia at about 20 days after explosion. SNe Ib/c are shown to have varied UV-optical colors. The use of UV colors to help type SNe will be important for high redshift SNe discovered in optical observations. These data can be added to ground based optical and near infrared data to create bolometric light curves of individual objects and as checks on generic bolometric corrections used in the absence of UV data. This sample can also be compared with rest-frame UV observations of high redshift SNe observed at optical wavelengths.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis

    astro-ph.HE 2026-06 unverdicted novelty 8.0 of 10

    JWST spectra of SN 2024abup show CO, C, O, and Mg features plus possible dust emission, with no clear r-process signatures identified via SUMO modeling.

  2. Wild behaviour near the finish line: the Type Ibn SN 2020able and its stratified environment

    astro-ph.HE 2026-08 conditional novelty 6.0 of 10

    The Type Ibn supernova SN 2020able exploded inside a stratified, three-component helium-rich envelope, with an inner dense shell from a pre-explosion eruption and an outer shell consistent with a Wolf-Rayet wind.

  3. SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope

    astro-ph.SR 2026-07 accept novelty 4.0 of 10

    SN 2025aico is a low-luminosity Type IIb from a compact He star (M_env≈0.01 M⊙, R_env≈6–10 R⊙) with M_Ni≈0.033 M⊙, M_ej≈2.8 M⊙ and weak-to-moderate 56Ni mixing.

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