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GRB 060218/SN 2006aj: A Gamma-Ray Burst and Prompt Supernova at z=0.0335

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arxiv astro-ph/0603686 v3 pith:KR2IV4XM submitted 2006-03-24 astro-ph

N. Mirabal , J. P. Halpern , D. An , J. R. Thorstensen , D. M. Terndrup This is my paper
classification astro-ph
keywords burstgamma-raydaysearlysoftsupernovaadditionangstroms
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We report the imaging and spectroscopic localization of GRB 060218 to a low-metallicity dwarf starburst galaxy at z = 0.03345 +/- 0.00006. In addition to making it the second nearest gamma-ray burst known, optical spectroscopy reveals the earliest detection of weak, supernova-like Si II near 5720 Angstroms (0.1c), starting 1.95 days after the burst trigger. UBVRI photometry obtained between 1 and 26 days post-burst confirms the early rise of supernova light, and suggests a short time delay between the gamma-ray burst and the onset of SN 2006aj if the early appearance of a soft component in the X-ray spectrum is understood as a ``shock breakout''. Together, these results verify the long-hypothesized origin of soft gamma-ray bursts in the deaths of massive stars.

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Cited by 5 Pith papers

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

  1. A Multi-Wavelength View of the First Type Ic-BL Supernova with an Einstein Probe X-ray Shock Breakout

    astro-ph.HE 2026-06 unverdicted novelty 7.0 of 10

    First definitive X-ray shock breakout from a Type Ic-BL supernova, with radio constraints and a rate calculation implying most such supernovae produce fainter signals than observed here.

  2. A JWST redshift for the host galaxy of EP250207b of z=3.2: a collapsar origin is viable

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

    JWST spectroscopy shows a z=3.2 background galaxy at the position of the fast X-ray transient EP250207b, overturning the earlier z=0.082 merger association.

  3. Gamma-ray burst progenitors revisited

    astro-ph.HE 2026-07 conditional novelty 6.0 of 10

    About 30–40% of long gamma-ray bursts at z<0.3 lack supernova emission and likely arise from compact object mergers, at rates comparable to short GRBs.

  4. A Multi-Wavelength View of the First Type Ic-BL Supernova with an Einstein Probe X-ray Shock Breakout

    astro-ph.HE 2026-06 conditional novelty 6.0 of 10

    EP260321a/SN2026gzf is the first Type Ic-BL supernova with a likely X-ray shock breakout, and such bright breakouts may be rare.

  5. Early Multiwavelength Observations of AT 2026fgk: The Luminous Afterglow to Sub-luminous GRB 260310A, Identified Independently of a Gamma-ray Trigger

    astro-ph.HE 2026-06 accept novelty 5.0 of 10

    First blind optical identification of a z=0.153 sub-luminous GRB afterglow with Ic-BL SN, yielding a volumetric rate consistent with on-axis high-luminosity long GRBs.

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