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- GRB_970228 abstract "GRB 970228 was the first gamma-ray burst (GRB) for which an afterglow was observed. It was detected on 28 February 1997 at 02:58 UTC. Since 1993, physicists had predicted GRBs to be followed by a lower-energy afterglow (in wavelengths such as radio waves, x-rays, and even visible light), but until this event, GRBs had only been observed in highly luminous bursts of high-energy gamma rays (the most energetic form of electromagnetic radiation).The burst had multiple peaks in its light curve and lasted approximately 80 seconds. Peculiarities in the light curve of GRB 970228 suggested that a supernova may have occurred as well. The position of the burst coincided with a galaxy about 8.1 billion light-years away (a redshift of z = 0.695), providing early evidence that GRBs occur well beyond the Milky Way.".
- GRB_970228 thumbnail GRB_970228.jpg?width=300.
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- GRB_970228 wikiPageExternalLink 289.gcn3.
- GRB_970228 wikiPageExternalLink 0004-637X_597_2_1010.pdf.
- GRB_970228 wikiPageExternalLink grb970228.html.
- GRB_970228 wikiPageExternalLink 06572.html.
- GRB_970228 wikiPageExternalLink 06584.html.
- GRB_970228 wikiPageExternalLink 06635.html.
- GRB_970228 wikiPageExternalLink 06643.html.
- GRB_970228 wikiPageExternalLink 50113.text.html.
- GRB_970228 wikiPageExternalLink 995411.text.html.
- GRB_970228 wikiPageExternalLink grb970228.html.
- GRB_970228 wikiPageExternalLink 6578.txt.
- GRB_970228 wikiPageExternalLink 387783a0.html.
- GRB_970228 wikiPageID "1671636".
- GRB_970228 wikiPageRevisionID "602438109".
- GRB_970228 caption "GRB 970228 as seen by Hubble".
- GRB_970228 constellation Orion_(constellation).
- GRB_970228 detected "178.0".
- GRB_970228 detected "1997-02-28".
- GRB_970228 detectedBy BeppoSAX.
- GRB_970228 distLy "8.123".
- GRB_970228 duration "80.0".
- GRB_970228 epoch "J2000".
- GRB_970228 hasPhotoCollection GRB_970228.
- GRB_970228 name "GRB 970228".
- GRB_970228 z "0.695".
- GRB_970228 subject Category:Astronomical_objects_discovered_in_1997.
- GRB_970228 subject Category:Long-duration_gamma-ray_bursts.
- GRB_970228 comment "GRB 970228 was the first gamma-ray burst (GRB) for which an afterglow was observed. It was detected on 28 February 1997 at 02:58 UTC.".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "GRB 970228".
- GRB_970228 label "انفجار أشعة غاما 970228".
- GRB_970228 sameAs GRB_970228.
- GRB_970228 sameAs GRB_970228.
- GRB_970228 sameAs GRB_970228.
- GRB_970228 sameAs GRB_970228.
- GRB_970228 sameAs m.05m6xb.
- GRB_970228 sameAs Q1987201.
- GRB_970228 sameAs Q1987201.
- GRB_970228 wasDerivedFrom GRB_970228?oldid=602438109.
- GRB_970228 depiction GRB_970228.jpg.
- GRB_970228 isPrimaryTopicOf GRB_970228.