Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/GRB_090423> ?p ?o }
- GRB_090423 abstract "GRB 090423 was a gamma-ray burst (GRB) detected by the Swift Gamma-Ray Burst Mission on April 23, 2009 at 07:55:19 UTC whose afterglow was detected in the infrared and allowed astronomers to determine that its redshift is z = 8.2, which makes it the most distant object detected to date with a spectroscopic redshift.A gamma-ray burst is an extremely luminous event flash of gamma rays that occurs as the result of an explosion, and is thought to be associated with the formation of a black hole. The burst itself typically only lasts for a few seconds, but gamma-ray bursts frequently produce an "afterglow" at longer wavelengths that can be observed for many hours or even days after the burst. Measurements at these wavelengths, which include X-ray, ultraviolet, optical, infrared, and radio, allow follow up study of the event.The finite speed of light means that GRB 090423 is also the earliest object ever detected for which a spectroscopic redshift has been measured. The universe was only 630 million years old when the light from GRB 090423 was emitted, and its detection confirms that massive stars were born and dying even very early on in the life of the universe. GRB 090423 and similar events provide a unique means of studying the early universe, as few other objects of that era are bright enough to be seen with today's telescopes.".
- GRB_090423 thumbnail Most_distant_Gamma-ray_burst.jpg?width=300.
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- GRB_090423 wikiPageExternalLink swift.gsfc.nasa.gov.
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- GRB_090423 wikiPageLength "18013".
- GRB_090423 wikiPageOutDegree "87".
- GRB_090423 wikiPageRevisionID "675263144".
- GRB_090423 wikiPageWikiLink Astronomer.
- GRB_090423 wikiPageWikiLink Big_Bang.
- GRB_090423 wikiPageWikiLink Black_hole.
- GRB_090423 wikiPageWikiLink Burst_Alert_Telescope.
- GRB_090423 wikiPageWikiLink Canary_Islands.
- GRB_090423 wikiPageWikiLink Category:Astronomical_objects_discovered_in_2009.
- GRB_090423 wikiPageWikiLink Category:Long-duration_gamma-ray_bursts.
- GRB_090423 wikiPageWikiLink Chile.
- GRB_090423 wikiPageWikiLink Combined_Array_for_Research_in_Millimeter-wave_Astronomy.
- GRB_090423 wikiPageWikiLink Coordinated_Universal_Time.
- GRB_090423 wikiPageWikiLink Cosmological_redshift.
- GRB_090423 wikiPageWikiLink EGSY8p7.
- GRB_090423 wikiPageWikiLink Earth.
- GRB_090423 wikiPageWikiLink Electromagnetic_spectrum.
- GRB_090423 wikiPageWikiLink European_Southern_Observatory.
- GRB_090423 wikiPageWikiLink Flux.
- GRB_090423 wikiPageWikiLink GRB_080913.
- GRB_090423 wikiPageWikiLink GRB_090429B.
- GRB_090423 wikiPageWikiLink Near-Infrared_Detector.
- GRB_090423 wikiPageWikiLink Gamma-ray_burst.
- GRB_090423 wikiPageWikiLink Gamma_ray.
- GRB_090423 wikiPageWikiLink Gemini_Observatory.
- GRB_090423 wikiPageWikiLink Goddard_Space_Flight_Center.
- GRB_090423 wikiPageWikiLink Hawaii.
- GRB_090423 wikiPageWikiLink Hubbles_law.
- GRB_090423 wikiPageWikiLink Hydrogen.
- GRB_090423 wikiPageWikiLink IOK-1.
- GRB_090423 wikiPageWikiLink Infrared.
- GRB_090423 wikiPageWikiLink Intergalactic_medium.
- GRB_090423 wikiPageWikiLink James_Webb_Space_Telescope.
- GRB_090423 wikiPageWikiLink Jansky.
- GRB_090423 wikiPageWikiLink La_Silla_Observatory.
- GRB_090423 wikiPageWikiLink Leo_(constellation).
- GRB_090423 wikiPageWikiLink Light.
- GRB_090423 wikiPageWikiLink Light-year.
- GRB_090423 wikiPageWikiLink Light_year.
- GRB_090423 wikiPageWikiLink List_of_gamma-ray_bursts.
- GRB_090423 wikiPageWikiLink List_of_the_most_distant_astronomical_objects.
- GRB_090423 wikiPageWikiLink Luminosity.
- GRB_090423 wikiPageWikiLink Lyman_series.
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- GRB_090423 wikiPageWikiLink NASA.
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- GRB_090423 wikiPageWikiLink Normal_distribution.
- GRB_090423 wikiPageWikiLink Outer_space.
- GRB_090423 wikiPageWikiLink Parsec.
- GRB_090423 wikiPageWikiLink Pennsylvania_State_University.
- GRB_090423 wikiPageWikiLink Photometric_redshift.
- GRB_090423 wikiPageWikiLink Photometry_(astronomy).
- GRB_090423 wikiPageWikiLink Population_III_stars.
- GRB_090423 wikiPageWikiLink Radio_wave.
- GRB_090423 wikiPageWikiLink Reionisation.
- GRB_090423 wikiPageWikiLink Reionization.
- GRB_090423 wikiPageWikiLink Spain.
- GRB_090423 wikiPageWikiLink Speed_of_light.
- GRB_090423 wikiPageWikiLink Star.
- GRB_090423 wikiPageWikiLink Stellar_evolution.
- GRB_090423 wikiPageWikiLink Stellar_population.
- GRB_090423 wikiPageWikiLink Swift_Gamma-Ray_Burst_Mission.
- GRB_090423 wikiPageWikiLink Telescope.
- GRB_090423 wikiPageWikiLink Telescopio_Nazionale_Galileo.
- GRB_090423 wikiPageWikiLink The_Swift_UVOT_Photometric_System.
- GRB_090423 wikiPageWikiLink Type_II_supernova.
- GRB_090423 wikiPageWikiLink UTC.
- GRB_090423 wikiPageWikiLink Ultraviolet.
- GRB_090423 wikiPageWikiLink United_Kingdom_Infrared_Telescope.
- GRB_090423 wikiPageWikiLink United_States.
- GRB_090423 wikiPageWikiLink Universe.
- GRB_090423 wikiPageWikiLink University_of_California,_Berkeley.
- GRB_090423 wikiPageWikiLink Very_Large_Telescope.
- GRB_090423 wikiPageWikiLink Visible_light.
- GRB_090423 wikiPageWikiLink Wavelength.
- GRB_090423 wikiPageWikiLink X-ray.
- GRB_090423 wikiPageWikiLink File:Most_distant_Gamma-ray_burst.jpg.
- GRB_090423 wikiPageWikiLinkText "GRB 090423".
- GRB_090423 wikiPageWikiLinkText "furthest known gamma-ray burst".
- GRB_090423 caption "Artist’s impression of the gamma-ray burst".
- GRB_090423 detected "2009-04-23".
- GRB_090423 detected "475.0".
- GRB_090423 detectedBy Swift_Gamma-Ray_Burst_Mission.
- GRB_090423 distLy "3.0E10".
- GRB_090423 duration "10.0".
- GRB_090423 hasPhotoCollection GRB_090423.
- GRB_090423 name "GRB 090423".
- GRB_090423 title List_of_gamma-ray_bursts.
- GRB_090423 title List_of_the_most_distant_astronomical_objects.