pith. sign in

arxiv: astro-ph/0304173 · v4 · pith:575XX7VPnew · submitted 2003-04-10 · 🌌 astro-ph

Spectroscopic Discovery of the Supernova 2003dh Associated with GRB 030329

K. Z. Stanek , T. Matheson , P. M. Garnavich , P. Martini , P. Berlind , N. Caldwell , P. Challis , W. R. Brown
show 14 more authors
R. Schild K. Krisciunas M. L. Calkins J. C. Lee N. Hathi R. A. Jansen R. Windhorst L. Echevarria D. J. Eisenstein B. Pindor E. W. Olszewski P. Harding S. T. Holland D. Bersier
This is my paper
classification 🌌 astro-ph
keywords spectrasupernovaafterglowburstspectroscopicassociateddaysdiscovery
0
0 comments X
read the original abstract

We present early observations of the afterglow of the Gamma-Ray Burst (GRB) 030329 and the spectroscopic discovery of its associated supernova SN 2003dh. We obtained spectra of the afterglow of GRB 030329 each night from March 30.12 (0.6 days after the burst) to April 8.13 (UT) (9.6 days after the burst). The spectra cover a wavelength range of 350 nm to 850 nm. The early spectra consist of a power-law continuum (F_nu ~ nu^{-0.9}) with narrow emission lines originating from HII regions in the host galaxy, indicating a low redshift of z=0.1687. However, our spectra taken after 2003 Apr. 5 show broad peaks in flux characteristic of a supernova. Correcting for the afterglow emission, we find the spectrum of the supernova is remarkably similar to the type Ic `hypernova' SN 1998bw. While the presence of supernovae have been inferred from the light curves and colors of GRB afterglows in the past, this is the first direct, spectroscopic confirmation that a subset of classical gamma-ray bursts originate from supernovae.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Forward citations

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

    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. 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

    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.

  3. A 14-year-old Mystery: The Peculiar Case of the Engine-driven SN 2012ap

    astro-ph.HE 2026-05 unverdicted novelty 4.0

    Late-time radio rebrightening in SN 2012ap is consistent with either progenitor mass-loss variation producing a density enhancement or an off-axis energetic jet viewed at large angle, potentially reclassifying it as G...

  4. Early Optical Follow-up of Gamma-Ray Bursts: The Critical Role of Robotic Telescopes

    astro-ph.HE 2026-06 unverdicted novelty 2.0

    A review of early optical GRB features including prompt emission, reverse shocks, and afterglow onset, highlighting robotic telescopes' role in constraining jet Lorentz factors and magnetization.

  5. GRB 250424A: A Case Study of Energy Injection with Multiwavelength Observations

    astro-ph.HE 2026-06 unverdicted novelty 2.0

    GRB 250424A afterglow shows simultaneous shallow decay in X-ray and optical bands modeled as continuous energy injection (q≈0.34) into a forward shock in constant-density medium, with E_K,iso ≈5.5×10^52 erg and no cle...