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; R. Schild; K. Krisciunas; M. L. Calkins; J. C. Lee; N. Hathi; R. A. Jansen; Rogier Windhorst; L. Echevarria; D. J. Eisenstein; B. Pindor; E. W. Olszewski; P. Harding; S. T. Holland; D. Bersier

doi:10.1086/376976

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, R. Schild, K. Krisciunas, M. L. Calkins, J. C. Lee, N. Hathi, R. A. Jansen, Rogier Windhorst, L. Echevarria, D. J. Eisenstein, B. Pindor, E. W. Olszewski, P. HardingS. T. Holland, D. Bersier

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Abstract

We present early observations of the afterglow of GRB 030329 and the spectroscopic discovery of its associatedsupernova 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 350-850 nm. The early spectra consist of a power-law continuum (F_v ∝ v^-0.9) with narrow emission lines originating from H II regions in the host galaxy, indicating a low redshift of z = 0.1687. However, our spectra taken after 2003 April 5 show broad peaks in flux characteristic of a supernova. Correcting for the afterglow emission, we find that the spectrum of the supernova is remarkably similar to the Type Ic "hypernova" SN 1998bw. While the presence of supernovae has been inferred from the light curves and colors of gamma-ray burst afterglows in the past, this is the first direct, spectroscopic confirmation that a subset of classical gamma-ray bursts originate from supernovae.

Original language	English (US)
Pages (from-to)	L17-L20
Journal	Astrophysical Journal
Volume	591
Issue number	1 II
DOIs	https://doi.org/10.1086/376976
State	Published - Jul 1 2003

Keywords

Galaxies: distances and redshifts
Gamma rays: bursts
Supernovae: general
Supernovae: individual (SN 2003dh)

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/376976

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Stanek, K. Z., Matheson, T., Garnavich, P. M., Martini, P., Berlind, P., Caldwell, N., Challis, P., Brown, W. R., Schild, R., Krisciunas, K., Calkins, M. L., Lee, J. C., Hathi, N., Jansen, R. A., Windhorst, R., Echevarria, L., Eisenstein, D. J., Pindor, B., Olszewski, E. W., ... Bersier, D. (2003). Spectroscopic discovery of the supernova 2003dh associated with GRB 030329. Astrophysical Journal, 591(1 II), L17-L20. https://doi.org/10.1086/376976

Stanek, KZ, Matheson, T, Garnavich, PM, Martini, P, Berlind, P, Caldwell, N, Challis, P, Brown, WR, Schild, R, Krisciunas, K, Calkins, ML, Lee, JC, Hathi, N, Jansen, RA, Windhorst, R, Echevarria, L, Eisenstein, DJ, Pindor, B, Olszewski, EW, Harding, P, Holland, ST & Bersier, D 2003, 'Spectroscopic discovery of the supernova 2003dh associated with GRB 030329', Astrophysical Journal, vol. 591, no. 1 II, pp. L17-L20. https://doi.org/10.1086/376976

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title = "Spectroscopic discovery of the supernova 2003dh associated with GRB 030329",

abstract = "We present early observations of the afterglow of GRB 030329 and the spectroscopic discovery of its associatedsupernova 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 350-850 nm. The early spectra consist of a power-law continuum (Fv ∝ v-0.9) with narrow emission lines originating from H II regions in the host galaxy, indicating a low redshift of z = 0.1687. However, our spectra taken after 2003 April 5 show broad peaks in flux characteristic of a supernova. Correcting for the afterglow emission, we find that the spectrum of the supernova is remarkably similar to the Type Ic {"}hypernova{"} SN 1998bw. While the presence of supernovae has been inferred from the light curves and colors of gamma-ray burst afterglows in the past, this is the first direct, spectroscopic confirmation that a subset of classical gamma-ray bursts originate from supernovae.",

keywords = "Galaxies: distances and redshifts, Gamma rays: bursts, Supernovae: general, Supernovae: individual (SN 2003dh)",

author = "Stanek, {K. Z.} and T. Matheson and Garnavich, {P. M.} and P. Martini and P. Berlind and N. Caldwell and P. Challis and Brown, {W. R.} and R. Schild and K. Krisciunas and Calkins, {M. L.} and Lee, {J. C.} and N. Hathi and Jansen, {R. A.} and Rogier Windhorst and L. Echevarria and Eisenstein, {D. J.} and B. Pindor and Olszewski, {E. W.} and P. Harding and Holland, {S. T.} and D. Bersier",

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doi = "10.1086/376976",

language = "English (US)",

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T1 - Spectroscopic discovery of the supernova 2003dh associated with GRB 030329

AU - Stanek, K. Z.

AU - Matheson, T.

AU - Garnavich, P. M.

AU - Martini, P.

AU - Berlind, P.

AU - Caldwell, N.

AU - Challis, P.

AU - Brown, W. R.

AU - Schild, R.

AU - Krisciunas, K.

AU - Calkins, M. L.

AU - Lee, J. C.

AU - Hathi, N.

AU - Jansen, R. A.

AU - Windhorst, Rogier

AU - Echevarria, L.

AU - Eisenstein, D. J.

AU - Pindor, B.

AU - Olszewski, E. W.

AU - Harding, P.

AU - Holland, S. T.

AU - Bersier, D.

PY - 2003/7/1

Y1 - 2003/7/1

N2 - We present early observations of the afterglow of GRB 030329 and the spectroscopic discovery of its associatedsupernova 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 350-850 nm. The early spectra consist of a power-law continuum (Fv ∝ v-0.9) with narrow emission lines originating from H II regions in the host galaxy, indicating a low redshift of z = 0.1687. However, our spectra taken after 2003 April 5 show broad peaks in flux characteristic of a supernova. Correcting for the afterglow emission, we find that the spectrum of the supernova is remarkably similar to the Type Ic "hypernova" SN 1998bw. While the presence of supernovae has been inferred from the light curves and colors of gamma-ray burst afterglows in the past, this is the first direct, spectroscopic confirmation that a subset of classical gamma-ray bursts originate from supernovae.

AB - We present early observations of the afterglow of GRB 030329 and the spectroscopic discovery of its associatedsupernova 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 350-850 nm. The early spectra consist of a power-law continuum (Fv ∝ v-0.9) with narrow emission lines originating from H II regions in the host galaxy, indicating a low redshift of z = 0.1687. However, our spectra taken after 2003 April 5 show broad peaks in flux characteristic of a supernova. Correcting for the afterglow emission, we find that the spectrum of the supernova is remarkably similar to the Type Ic "hypernova" SN 1998bw. While the presence of supernovae has been inferred from the light curves and colors of gamma-ray burst afterglows in the past, this is the first direct, spectroscopic confirmation that a subset of classical gamma-ray bursts originate from supernovae.

KW - Galaxies: distances and redshifts

KW - Gamma rays: bursts

KW - Supernovae: general

KW - Supernovae: individual (SN 2003dh)

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U2 - 10.1086/376976

DO - 10.1086/376976

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SN - 0004-637X

VL - 591

SP - L17-L20

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1 II

ER -

Spectroscopic discovery of the supernova 2003dh associated with GRB 030329

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