GRB 010222: A Burst within a Starburst

Frail, D. A.; Bertoldi, F.; Moriarty‐Schieven, G. H.; Berger, E.; Price, P. A.; Bloom, J.; Sari, Re’em; Kulkarni, S. R.; Gerardy, Christopher L.; Reichart, D.; Djorgovski, S. G.; Galama, T. J.; Harrison, Fiona A.; Walter, Fabian; Shepherd, D. S.; Halpern, J. P.; Peck, A. B.; Menten, K. M.; Yost, S. A.; Fox, D. B.

doi:10.1086/324718

Cited by 83 publications

(102 citation statements)

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“…Since the discovery of a nearby Type Ic supernova (SN 1998bw) in the error circle of the X-ray afterglow for GRB 980425 (Galama et al 1998;Kulkarni et al 1998), evidence is accumulating that core-collapse supernovae are physically related to long-duration GRBs. The supernova picture is further supported by the observation that all GRB hosts are starforming and in some cases even star-bursting galaxies (e.g., Frail et al 2002;Sokolov et al 2001). Evidence for host extinction by cosmic dust in GRB afterglows (e.g., Castro-Tirado et al 1999;Klose et al 2000) and the discovery of an ensemble of optically ''dark bursts'' (for a recent discussion, see Fynbo et al 2001;Klose et al 2003;Lazzati et al 2002) also are consistent with the picture that GRB progenitors are young, massive stars (Groot et al 1998;Paczyński 1998).…”

Section: Introductionmentioning

confidence: 85%

A Systematic Analysis of Supernova Light in Gamma‐Ray Burst Afterglows

Zeh

Klose

Hartmann

2004

ApJ

184

242

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We systematically reanalyzed all gamma-ray burst (GRB) afterglow data published through the end of 2002 in an attempt to detect the predicted supernova light component and to gain statistical insight into its phenomenological properties. We fit the observed photometric light curves as the sum of an afterglow, an underlying host galaxy, and a supernova component. The latter is modeled using published multicolor light curves of SN 1998bw as a template. The total sample of afterglows with established redshifts contains 21 bursts (GRB 970228-GRB 021211). For nine of these GRBs a weak supernova excess (scaled to SN 1998bw) was found, which is what makes this one of the first samples of high-z core-collapse supernovae. Among this sample are all bursts with redshifts less than $0.7. These results strongly support the notion that in fact all afterglows of longduration GRBs contain light from an associated supernova. A statistics of the physical parameters of these GRBsupernovae shows that SN 1998bw was at the bright end of its class, while it was not special with respect to its light-curve shape. Finally, we have searched for a potential correlation of the supernova luminosities with the properties of the corresponding bursts and optical afterglows, but we have not found such a relation.

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Section: Introductionmentioning

confidence: 85%

A Systematic Analysis of Supernova Light in Gamma‐Ray Burst Afterglows

Zeh

Klose

Hartmann

2004

ApJ

184

242

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“…The infrared measurements of the OT by Masetti et al (2001) were taken in poor seeing (3 00 -4 00 ), and the authors therefore used an aperture of 5 00 in radius. Keck K-band observations presented in Frail et al (2002) show that there are several other (relatively bright) near-infrared (NIR) sources nearby. Within this aperture we measure K ¼ 17:57 AE 0:11, very comparable to what is measured by Masetti et al (2001).…”

Section: The Optical Light Curvesmentioning

confidence: 99%

Hubble Space Telescopeand Ground‐based Optical and Ultraviolet Observations of GRB 010222

Galama

Reichart

Brown

et al. 2003

ApJ

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We report on Hubble Space Telescope (HST) Wide Field Planetary Camera 2 optical and Space Telescope Imaging Spectrograph (STIS) near-ultraviolet MAMA observations and ground-based optical observations of GRB 010222, spanning 15 hr to 71 days. The observations are well described by a relativistic blast wave model with a hard electron energy distribution, p ¼ 1:57 þ0:04 À0:03 , and a jet transition at t Ã ¼ 0:93 þ0:15 À0:06 days. These values are slightly larger than previously found as a result of a correction for the contribution from the host galaxy to the late-time ground-based observations and the larger temporal baseline provided by the HST observations. The host galaxy is found to contain a very compact core (size <0>25), which coincides with the position of the optical transient. The STIS near-ultraviolet MAMA observations allow for an investigation of the extinction properties along the line of sight to GRB 010222. We find that the far-ultraviolet curvature component c 4 is rather large. In combination with the low optical extinction, A V ¼ 0:110 þ0:010 À0:021 mag, when compared with the hydrogen column inferred from X-ray observations, we suggest that this is evidence for dust destruction.

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“…Due to the relatively short lifetime of such massive stars, one expects them to be located in or very close to star-forming regions where they are born. Thanks to the extensive observational efforts in pursuing GRB events at various wavelengths there are now several examples where such positional correlations between the GRB OA and star forming regions in the host are seen, for instance Fynbo et al (2000) (GRB 980425), Holland & Hjorth (1999) (GRB 990123), Hjorth et al (2002) (GRB 980613), Fynbo et al (2002) (GRB 000926), Bloom et al (2001), Chary et al (2002) and Frail et al (2002) (GRB 010222). There are, however, a few cases in which the GRB does not seem to originate from intense star-forming regions (SFRs), e.g.…”

Section: Introductionmentioning

confidence: 99%

An HST study of three very faint GRB host galaxies

Jaunsen¹,

Andersen²,

Hjorth³

et al. 2003

A&A

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Abstract. As part of the HST/STIS GRB host survey program we present the detection of three faint gamma-ray burst (GRB) host galaxies based on an accurate localisation using ground-based data of the optical afterglows (OAs). A common property of these three hosts is their extreme faintness. The location at which GRBs occur with respect to their host galaxies and surrounding environments are robust indicators of the nature of GRB progenitors. The bursts studied here are among the four most extreme outliers, in terms of relative distance from the host center, in the recent comprehensive study of Bloom et al. (2002). We obtain a revised and much higher probability that the galaxies identified as hosts indeed are related to the GRBs (P(n chance ) = 0.69, following Bloom et al. 2002), thereby strengthening the conclusion that GRBs are preferentially located in star-forming regions in their hosts. Apart from being faint, the three hosts consist of multiple structures, indicative of merging and active star-formation. For one of the hosts, GRB 980329, we estimate a photometric redshift of z ∼ 3.5.

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GRB 010222: A Burst within a Starburst

Cited by 83 publications

References 50 publications

A Systematic Analysis of Supernova Light in Gamma‐Ray Burst Afterglows

A Systematic Analysis of Supernova Light in Gamma‐Ray Burst Afterglows

Hubble Space Telescopeand Ground‐based Optical and Ultraviolet Observations of GRB 010222

An HST study of three very faint GRB host galaxies

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